The volume is decreased to 0. 50L, the number of moles of SO₂Cl₂at equilibrium will increase by 1–10% option - a is correct.
What is Le Chatelier's Principle.The guiding idea of Le Chatelier is as follows: A shift in the position of the equilibrium results from a change in one of the variables that characterize a system in equilibrium and cancels out the effects of that change.
Now to solve this question first we have to know the Le-chatelier's
Principle
The Principal that if a system in chemical equilibrium is subjected to a disturbance it tends to change in a way that opposes this disturbance.
SO₂Cl₂(g) ⇄ SO₂(g) + Cl₂(g)
Initially, there is one molecule at the left hand side of the reaction and two molecules are on the right. But, the Partial pressure of molecules on RHS is lower than LHS. Concentration of RHS molecules is Lower, forward reaction is more favorable.
Decreasing volume would result in increasing the total pressure.
Now, according to Le chatelier's Principle, the equilibrium will shift in such a way to oppose change under compression. Since there are more moles of Products than reactants, to counteract the increased pressure. The equilibrium will shift to LHS increasing the moles
of SO₂Cl₂ but since the concentration (Partial Pressure)
of SO₂Cl₂, it will not increase more than 10%
Hence, answer will be (a) Increase 1-10%.
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Write a scientific explanation describing whether energy is required for photosynthesis to occur. IN CER PLZ
Answer:
Plants are called autotrophs because they can use energy from light to synthesize, or make, their own food source. Many people believe they are “feeding” a plant when they put it in soil, water it, or place it outside in the Sun, but none of these things are considered food. Rather, plants use sunlight, water, and the gases in the air to make glucose, which is a form of sugar that plants need to survive. This process is called photosynthesis and is performed by all plants, algae, and even some microorganisms. To perform photosynthesis, plants need three things: carbon dioxide, water, and sunlight.
Answer:
energy is of course required for photosynthesis to occur as photosynthesis is self is the process of plants of green plants to make food or to provide food for themselves in the presence of sunlight carbon dioxide and using water from the soil in the definition you can also say that sunlight is needed for photosynthesis to take place and some light is a form of energy which is solar energy so energy is required for photosynthesis to occur
at the left.
2. Which of the following is not a
chemical change? E
A leaves turning color
B fruit ripening
C silver tarnishing
D food coloring dissolving in water
Answer:
D
Explanation:
there is no new substance formed
Can you help me please
Answer:
the last one
explanation is the white colour
Which energy changes in the enthalpy of solution are endothermic, and which are exothermic?
Hsolute and H solvent are endothermic; Hmix is exothermic.
Hsolute is endothermic; Hsolvent and Hmix are exothermic.
Hsolute is exothermic; Hsovent and Hmix are endothermic.
Hsolute, Hsolvent, and Hmix are all exothermic.
List some of the methods used to prevent or slow corrosion with detailed explanation
Answer:
There are several methods that can be used to prevent or slow corrosion:
Coatings: Applying a protective coating to a metal surface can prevent corrosion by creating a barrier between the metal and the environment. Common types of coatings include paint, galvanizing, and electroplating.
Cathodic protection: Cathodic protection involves applying a current to a metal surface in order to reduce the potential difference between the metal and its environment. This can help to prevent corrosion by reducing the electron flow that drives the corrosion reaction.
Inhibitors: Corrosion inhibitors are chemical substances that can be applied to a metal surface to slow or prevent corrosion. These substances work by reacting with the metal surface or the environment to form a protective film or layer.
Passivation: Passivation is a process that involves removing surface contaminants and oxide layers from a metal surface in order to improve its corrosion resistance. This can be achieved through chemical or mechanical means.
Materials selection: Choosing corrosion-resistant materials for specific applications can help to prevent or slow corrosion. For example, stainless steel is a commonly used material for corrosive environments because of its high resistance to corrosion.
Environmental control: Controlling the environment in which a metal object is used can also help to prevent or slow corrosion. For example, reducing humidity or keeping a metal object dry can help to prevent corrosion.
Maintenance: Regular maintenance, such as cleaning and inspection, can help to identify and address corrosion issues before they become severe. This can include removing corrosion products, repairing damage, and applying protective coatings as needed.
HOW TO DO THIS QUESTION PLEASE
Answer:
solid
Explanation:
lithium is a solid so it would still be solid since it is at 100 degrees and has not yet gotten to 180 degrees which is when it melts
A semen sample is received in the laboratory for evaluation of fertility. No sperm are observed upon initial microscopic examination of the sample. How should you proceed
Laboratories are used in many different fields, including medicine, chemistry, biology, physics, engineering, and more.
What is laboratory?A laboratory is a facility where scientists conduct research and experiments. It is equipped with specialized equipment, tools, and supplies required for the specific purpose of conducting scientific tests, experiments, and analysis.
The next step would be to look for other seminal components, such as white blood cells, red blood cells, epithelial cells, and other organic and inorganic components. If no sperm are present, then a detailed analysis of the sample is necessary to determine the cause of the absence of sperm. Possible causes of azoospermia, or the absence of sperm, include hormonal imbalance, anatomical defects, genetic conditions, and medical treatments.
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Which of the following is an incorrect statement?
Sound is not a form of energy.
Light is a form of energy.
Sound is a form of energy.
Heat is a form of energy.
Answer: Heat is not a form of energy
sound is a form of energy
Explanation:
Classify the reaction in each of the following equations.
a. FeCl2 (aq) + Mg → MgCl2 (s) + Fe(s)
b. NH3 (g) → N2 (g) + H2 (g)
Answer
a. Single displacement
b. Decomposition
When classifying chemical reactions, consider how reactants change to form the products.
An equation for a chemical reaction has a left side and a right side. The arrow separates the left and right sides.
The left side is called the reactants. The right side is called the products.Each product or reactant can be one or more elements.
Some Types of ReactionsWe can use letters* to represent products and reactants in a reaction.
SynthesisTwo reactants become one product.
A + B → ABDecompositionOne reactant becomes two products.
AB → A + BIn equation (b), this is like how NH₃ separated into two products, N₂ and H₂.Single DisplacementStart with two reactants, a compound and an element. To form the products, the element replaces one of the elements that was in the compound.
AB + C → AC + BIn equation (a), this is like how Mg replaced Fe. Fe was part of a compound at first. Now, Mg is part of a compound instead.Double DisplacementStart with two reactants that are compounds. To form the products, an element from each compound replaces each other.
AB + CD → AC + BDTherefore, equation (a) is a single displacement reaction and equation (b) is a decomposition reaction.
*Each letter represents an element. Two elements make a compound. A letter can also represent a compound if compound stays together during the reaction.
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A screw has _____ over the cylinder.
corkscrew-shaped ridge
What is a screw’s output?The screw’s applied force (output force) is always larger than the screw’s applied force (input force). As a result, a screw’s mechanical advantage is always larger than one.Screws are a type of basic machine. They have a thread, which is a corkscrew-shaped ridge wrapped around a cylinder. When driving in a screw, the head is particularly designed to allow a screwdriver or wrench to hold the screw.
Another sort of inclined plane is the screw. When an inclined plane wraps around a straight rod-like structure, a spirally grooved surface with a pointed end is generated. It serves to keep things together.
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help help help help help help
Hey,
Answer:
AgCl (Silver Chloride)
Explanation:
sodium chloride + silver nitrate → sodium nitrate+ silver chloride
Hope it helps :)
Have a great day!
What is the definition of a commission? * 4 points Earnings based on how much they sell What you are paid to work. When you are paid to work on a mission as a coworker.
Answer:
Earnings based on how much they sell
Explanation:
A sales presentation can be defined as series of talk given by a salesperson with the attempt to persuade someone or a potential customer to buy a particular product, by giving information it. Some salespersons resort to the use of dramatics so as to initiate and close the sale of a particular product by engaging in series of theatrical actions.
In sales and marketing, the term closing with respect to a sales can be defined as the process of making a business sale successful such as through the exchange of money for a particular product or goods.
For a salesperson to be able to close a sales, he or she require abilities such as courage, negotiation skills, listening ears and interpersonal skills to do so or achieve a successful sales. After a successful sales, they're entitled to a percentage of the amount made from selling a particular product or closing a deal based on what is stated in the contract. These amount of money earned with respect to each sales is generally referred to as commissions.
Commission can be defined as an amount of money earned based on how much a salesperson sell.
PLEASE HELP!!! What do nonmetals and metals tend to do when they react?
Nonmetals tend to lose protons while metals tend to gain protons.
Nonmetals tend to gain protons while metals tend to lose protons.
Nonmetals tend to gain electrons while metals tend to lose electrons.
Nonmetals tend to lose electrons while metals tend to gain electrons.
Answer:
Nonmetals tend to gain electrons while metals tend to lose electrons.
Explanation:
The statement that describes the reaction of nonmetals and metals is "Nonmetals tend to gain electrons while metals tend to lose electrons."
What are metals and non-metals?Metals (such as copper and aluminum) are good heat and thermal conductors, whereas nonmetals (such as phosphorus and sulphur) are considered to be insulators.
When a metal reacts with a nonmetal, the metal loses electrons while the nonmetal gains electrons. In order to achieve their nearest noble gas configuration, elements can gain or lose electrons. The formation of ions for the octet's completion aids in their stability. Metals lose electrons to complete their octet in a reaction between metals and nonmetals, while nonmetals acquire electrons to complete their octet.
When metal atoms produce ions, they lose electrons from their outer shell; the ions are positive because they contain more protons than electrons. The ions that are generated have complete outer shells. The ions have a full outer shell and have the electrical structure of a noble gas (group zero element).
Nonmetals are found further to the right on the periodic table and have high ionization energy and electron affinities, making them comparatively easy to absorb electrons and difficult to lose them. They also have a higher number of valence electrons, and are on the verge of completing an octet of eight electrons.
Hence the correct answer is nonmetals tend to gain electrons while metals tend to lose electrons.
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Suggest a procedure for separating iron shavings from sawdust. Explain why this procedure would work.
Dont send a file i will report you if you do
Answer:
Magnetic separation
Sawdust is a non-magnetic material whereas iron shavings are magnetic. When a magnet is brought near a mixture of iron shavings and sawdust, the iron shavings will be attracted to the magnet while the sawdust will not. Thus, the iron shavings will be separated from the sawdust.
Explanation:
Separation techniques makes use of the differences in the properties of components of mixtures to separate theses components, one from another.
In a moxturemof iron shavings and sawdust, a suitable separation technique would be the use of magnetic separation.
The use of this separation technique is abasednonnthe principle that when a magnetnis brought near to a mixture containing magnetic and non-magnetic materials, the magnetic materials will be separated from the non-magnetic materials due to their attraction to the magnet. Sawdust is a non-magnetic material whereas iron shavings are magnetic. When a magnet is brought near a mixture of iron shavings and sawdust, the iron shavings will be attracted to the magnet while the sawdust will not. Thus, the iron shavings will be separated from the sawdust.
Which element doe not form a table ion with the ame electronic configuration a neon?
A Magneium B Fluorine C Sodium D Chlorine
Sodium does not form a stable ion with the same electronic configuration as neon.
Electronic configuration of an element describes that how the electrons are distributed in its atomic orbitals. Electronic configuration of an atoms follows a standard notation in which all electron-containing atomic subshells (with the number of electrons they hold written in superscript) are placed in a sequence.
Sodium (Na) ion has the same electronic configuration as that of neon. Both are the isoelectronic species with 10 electrons and the electronic configuration is 1s22s22p6.
Sodium has electronic configuration is 1s22s22p63s1. It loses one electron to give Na+ ion with the electronic configuration of neon (Ne).
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Significant Figures: How many significant figures
are in 865,010?
Answer: There are five significant figures in 865,010.
Explanation:
When a degree of accuracy is stated by each digit present in a mathematical figure then it is called a significant figure.
Rules for counting significant figures is as follows.
Any non-zero digits and zeros present between a non-zero figure are counted. For example, 3580009 has seven significant figures.Trailing zeros are counted in a non-zero figure. For example, 0.00250 has three significant figures.Leading zeros are not counted. For example, 0.0025 has two significant figures.So, in the given figure 865010 has five significant figures and the trailing zero will not be counted.
Thus, we can conclude that there are five significant figures in 865,010.
Cuántos moles de hipoclorito de sodio (NaCIO)se generan cuando reaccionan 5 moles de NaOH
Answer:
5 mol NaOH = 5 mol NaClO
Plantear y balancear reacción: NaOH + HClO ⇒ NaClO + H2O
Como se puede apreciar, los coeficientes estequiométricos son uno por lo tanto, la cantidad de NaClO que se genera será igual a la cantidad de moles que reaccionan de NaOH
►
17.2H2 + O2 – 2H20
How many moles of oxygen are needed if 8 moles H2 are used?
A world without friction would it be?
Bill Nye Video
Answer:
it opposes motion. the object would continue to slide forever if not stopped by another object.
HELPPPP!!! SHOW WORK
On the day this exercise was written, atmospheric pressure was 745.8 mm Hg. Calculate the pressure in units of atmospheres, cm Hg, lbs./in2, and torr
Answer:
1) 0.98 atm
2) 74.58 cmHg
3) 14.47 lbs./in²
4) 745.8 torrs
Explanation:
We are given the atmospheric pressure as 745.8 mmHg
1) Converting mmHg to atmospheres(atm), we divide the pressure by 760.
P = 745.8/760
P = 0.98 atm
2) Converting mmHg to cmHg, we multiply the pressure by 0.1;
P = 745.8 × 0.1
P = 74.58 cmHg
3) Converting mmHg to lbs./in², we divide the pressure by 51.75;
P = 748.5/51.715
P = 14.47 lbs./in²
4) Converting mmHg to torrs, we multiply the pressure by 1;
P = 745.8 × 1
P = 745.8 torrs
Explain how you can determine if an object is accelerating. Give two examples
Answer:Acceleration has to do with changing how fast an object is moving If an object is not changing its velocity, then the object is not accelerating. Anytime an object's velocity is changing, the object is said to be accelerating it has an acceleration.
Explanation:
A new candy has a very sour taste. If this candy were dissolved in water, the solution would likely be _______.
Answer:
It is a sour candy. And when you put it in water it will dissolves.
Explanation:
What is the molecular formula of the molecule in figure 3
Answer: The molecular formula of the molecule is [tex]CH_3OH[/tex]
Explanation:
Molecular formula is the chemical formula which depicts the actual number of atoms of each element present in the compound.
The given compound contains one carbon atom, four hydrogen atoms and one oxygen atom.
It is an alcohol with functional group -OH and with molecular formula of [tex]CH_3OH[/tex] named as methanol.
The molecular formula of the molecule is [tex]CH_3OH[/tex]
The molecular formula of the molecule in figure 3 is [tex]CH_3OH[/tex].
The following information should be considered:
The molecular formula represents the chemical formula in which the actual no of atoms for each & every element should be presented in the compound. In the given compound, it comprise of 4 hydrogen atoms, 1 oxygen atom, 1 carbon atom. It is the alcohol having functional group i.e. -OH along with the molecular formula i.e. [tex]CH_3OH[/tex] that we called as the methanol.
Therefore we can conclude that the molecular formula of the molecule in figure 3 is [tex]CH_3OH[/tex].
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How do you find a proton number?
To find a proton number, we can use the Periodic Table of the Elements.
What is the Periodic Table of the Elements?The Periodic Table of the Elements is a table that organizes all discovered chemical elements in rows and columns according to the increasing atomic number.
To find the numbers of protons using this periodic table, first, we have to find the element on the periodic table. Using the columns (group) or rows (period) can make the element easier to find on the table.
Second, find the element’s atomic number, which is located above the element symbol, in the upper left-hand corner of the square. This atomic number will tell us how many protons make up a single atom of that element. For example, Boron (B) has an atomic number of 5, consequently it has 5 protons.
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The statement "atoms have a small, dense nucleus" is true. What evidence do scientists use to prove this statement as true?
Most alpha particles shot at gold foil go straight through, without any changes in their direction.
The particles ejected in Thomson's experiment bent away from the negatively charged plates, but toward positively charged plates.
A few alpha particles shot at gold foil bounce in the opposite direction
No matter which element Thomson put in a cathode ray tube, the same negative particles with the same properties (such as charge and mass) were ejected.
To see the number of atoms of an element in a given molecule we need to multiply stoichiometry to the number that is written on the foot of the element that is stoichiometry. Therefore, the correct option is option C.
What is atom?Atom is the smallest particle of any element, molecule or compound. Atom can not be further divided. Atoms contains nucleus in its center and electron that revolve around the atom in fixed orbit.
In the nucleus, proton and neutron are present. Electron has -1 charge while proton has +1 charge. Neutron is neutral that is it has no charge. So overall the charge of nucleus is due to only proton, not by neutron.
The statement "atoms have a small, dense nucleus" is true. A few alpha particles shot at gold foil bounce in the opposite direction is the evidence.
Therefore, the correct option is option C.
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How do you make the balanced equation of making ammonia?
__ N² + __ H² → __ NH³
(with steps to solve)
Answer:
1, 3, 2
Explanation:
1 mole of N^2 so you have 2 N.
3 mole of H^2 so you have 6 H.
2 mole NH^3 so you have 2 N and 6 H
2N + 6H = 2N + 6H
Calculate the molality of each of the following aqueous solutions (a) 2. 50 m nacl solution (density of solution = 1. 08 g/mL) (b) 48. 2 percent by mass KBr solution
The molarity of 2. 50 m NaCl solution is 2.68 molal and 48. 2 percent by mass KBr solution is 7.82 m.
Molality = moles solute / kg solvent
Assume we have 1000 ml of solution.
1000 ml ₓ 1.08 g/ml = 1080 g
Now find the mass of NaCl:
2.50 M NaCl = 2.50 mol/L and 2.50 mol/L x 1 L = 2.50 moles of NaCl
molar mass NaCl = 58.4 g/mol, therefore mass NaCl present = 2.50 mol ₓ 58.5 g/mol = 146 g NaCl
Now find the mass of H₂O:
grams H₂O present = 1080 g - 146 g = 934 g H2O = 0.0.934 kg
We now have moles NaCl and kg H₂O
Molality = 2.50 mol / 0.934kg = 2.68 molal
48.2% by mass of KBr means 48.2 g KBr / 100 g solution
To find molality, we need moles of KBr and kg of H₂O. We can easily find he moles of KBr from the mass and the molar mass.
If we have 100 g solution, 48.2 g is KBr so the rest is H₂O.
100 g - 48.2 g = 51.8 g H₂O and this is equal to 0.0518 kg H₂O
Moles KBr = 48.2 g KBr ₓ 1 mol KBr/119 g = 0.405 moles KBr
Molality = 0.405 moles KBr / 0.0518 kg H₂O = 7.82 m
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^^^ above. Please don’t send a link do somewhere random. Thank you, preferably just answer here.
Which forces can be represented in a free body diagram
A gas has a pressure of 120 kPa, a temperature of 400 K and a volume of 50.0 mL. What volume will the gas have at a pressure of 60 kPa and a temperature of 200 K
The gas will have a volume of 25.0 mL at a pressures of 60 kPa or a temperature of 200 K.
What is temperature?The average kinetic potential of the particle in a system is measured by temperature. Temperature is measured using thermometers, which measure the temperature of a system by taking a reading of the system's average kinetic energy. Temperature is measured in degrees, with higher temperatures indicating a higher average kinetic energy. Temperature can be affected by a variety of factors, including the amount of energy added to or removed from a system, the number of particles present in the system, and the type of particles present in the system.
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