What is the limiting reactant from this equation

Answer:

A student performed titration to find the concentration of acetic acid. Titrant was sodium hydroxide. He went beyond the indicator color change by adding too much titrant.

Explanation:

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Answer:

Refer to the attachments!!

Explanation:

Answer:

Rb, Zn, P, S, F, Ca, Co, Cr

Rb, Zn, P, S, F, Ca, Co, Cr elements in order of decreasing metallic character.

The metallic character of an element is defined as the properties typical of metal, especially the tendency to lose electrons in chemical reactions.

Metallic character depends on the ability of an element to lose its outer valence electrons. Examples of properties related to metallic character include thermal and electrical conductivity, metallic lustre, hardness, ductility, and malleability. The most "metallic" element is francium, followed by caesium.

Hence, Rb, Zn, P, S, F, Ca, Co, and Cr elements in order of decreasing metallic character.

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- Petroleum fraction consisting mostly of [tex]C_{7}[/tex] and [tex]C_{8}[/tex] hydrocarbons

- The fraction is also called heavy naphtha

- Boiling in the range 90‒140 °C

- Ligroin is used as a laboratory solvent

- Ligroin it also esed as a motor fuel or as a solvent for fats and oils in dry cleaning

         [] All of these are different characteristics of ligroin​

         [] If you need more let me know  

Have a nice day!

     I hope this is what you are looking for, but if not - comment! I will edit and update my answer accordingly. (ノ^∇^)

- Heather

The sequence for the disgestion of a piece of chicken nugget in the human body is: C. mouth, esophagus, stomach, small intestine, large intestine.

Digestion can be defined as a form of catabolic activity that involves the breaking down of food into smaller sizes that can be absorbed as nutrients by the body of a living organism while releasing energy through the process.

Based on the digestive system, the sequence for the disgestion of a piece of chicken nugget in the human body are:

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Answer: A

Explanation:

A saturated solution is a chemical solution that contains the highest bound solvent level. In a saturated solution, the extra solution will not dissolve. Depending on a multitude of variables, the quantity of fluid that can we can add in a solvent to create a saturated solution.

The wavelength of the radio station broadcasting at 520 megahertz is 0.58m.

HOW TO CALCULATE WAVELENGTH:

λ = v/f

Where;

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In the first case, the molarity of oxygen gas is 0.0012 mol/L. In the second case, the molarity of oxygen gas is 0.0052 mol/L .

We have to obtain the number of moles of oxygen as follows;

P = 1.00 atm

V = 28.31 mL or 0.02831 L

n = ?

R = 0.082 atm LK-1mol-1

T = 25 °C + 273 = 298 K

n = PV/RT

n=  1.00 atm × 0.02831 L/ 0.082 atm LK-1mol-1 ×  298 K

n = 0.0012 moles

Molarity = Number of moles/Volume = 0.0012 moles/1.00 L =  0.0012 mol/L

For the second case;

P = 4.47 atm

V = 28.31 mL or 0.02831 L

n = ?

R =  0.082 atm LK-1mol-1

T = 25 °C + 273 = 298 K

n = PV/RT

n = 4.47 atm ×  0.02831 L/0.082 atm LK-1mol-1 × 298 K

n = 0.1265/24.436

n = 0.0052 moles

Molarity of oxygen = 0.0052 moles/1.00 L = 0.0052 mol/L

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Answer:

A

Explanation:

According to the chart, A tv turns into heat, light, and sound energy.

Answer:

it doesn't house the sweat and oil glands

Explanation:

the epidermis doesn't house the oil and sweat glands but the dermis does

Answer:

Stoichiometric Calculation:

3 NO₂(g) + H₂O (l) → 2 HNO₃(g) + NO(g)

2 moles of HNO₃ is produced from 3 moles of NO₂.

Therefore, By unitary method:

2.30 moles of HNO₃ produced from the moles of NO₂ = [tex] \dfrac{3}{2} \times 2.30 = \bf{3.45 mol}[/tex]

The number of moles of NO₂ that would be required to produce 2.30 moles of HNO₃ in the presence of excess water in the chemical reaction is 3.45 moles

The balance equation is as follows:

3NO₂(g) + H₂O (l) → 2HNO₃(g) + NO(g)

Water molecules is in excess. Therefore, the limiting reagent is Dinitrogen oxide.

The limiting reagent will determine the amount of product produced.

Therefore,

2 moles of HNO₃ needs 3 moles of NO₂

2.30 moles of HNO₃ will need ? moles of NO₂

cross multiply

number of moles of NO₂  = 2.30 × 3 / 2

number of moles of NO₂  = 6.9 / 2

number of moles of NO₂  = 3.45 moles

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The alcohol content is 450 proof

In the given example, the measurement of the alcohol content is said to be measured in alcohol proof.

We are going to multiply the given proof of the alcohol with the vodka drink divided by 100 to determine the content of alcohol in the alcoholic beverage.

i.e.

= (750 × 60)/100 proof

= 450 proof

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Answer:

Answer:

2 moles of C and no more

Explanation:

Consider the following reaction: 2A + 3B --> 2C If you have 2 moles of A and 6 moles of B, what is the maximum number of moles of C that can be made by the reaction

2A + 3B --> 2C '

2 of A make 2 of C if we have atleast 3 of B.

we ave more than enough B

2 of A will make 2 moles of C and no more

Answer:

2 MOLES OF GLUCOSE

Explanation:

How many Moles of glucose are produced from 12 moles of CO2 in photosynthesis?

6CO2 +6H20-------------->C6H12O6 -+ 6O20

(IN THE PRESENCE OF CHLOROPHYLL AND UV FROM )

)

6 MOLES OF CO2 MAKE 1 MOLE OF GLUCOSE

12 MOLES THEN MAKE 2 MOLES OF GLUCOSE

In the photosynthesis process, plants can use 12 moles of carbon dioxide to form 2 moles of glucose.

It is the process by which green plants and some other organisms convert light energy into chemical energy.

Let's consider the balanced equation for the synthesis of glucose through photosynthesis.

6 CO₂ + 6 H₂O ⇒ C₆H₁₂O₆ + 6 O₂

The molar ratio of CO₂ to C₆H₁₂O₆ is 6:1. The moles of glucose formed from 12 moles of carbon dioxide are:

12 mol CO₂  (1 mol C₆H₁₂O₆/6 mol CO₂) = 2 mol C₆H₁₂O₆

In the photosynthesis process, plants can use 12 moles of carbon dioxide to form 2 moles of glucose.

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Answer:

5:1

Explanation:

The molecular formula of serotonin is C10H12N2O. Therefore, the ratio of C atoms to N atoms is 5:1, because you divide 10 and 2 by 2, and then you get 5:1.

Answer:

sorry wala din akong sagot niyan sorry talaga

Answer:

b) Industrial farming

Explanation:

The term “industrial agriculture” refers to the type of farming which raises and cultivates large numbers of livestock and plants in high-density environments. It uses modern technology to promote faster growth and reduce illness and death rates in livestock, creating food products on a mass scale.

Answer: B.

Explanation

industrial agriculture

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Answer:

it may lead to read false measurements

while in an experiment.

that's what I think.

The water would stand at a height of 1033.6 cm

If the mass of the mercury, m equals the mass of the water, m' at its height,h', then the weight of the mercury W equals the weight of the water, W'

So, W = W'

mg = m'g

ρV = ρ'V' where ρ = density of mercury = 13.60 g/cm³, V = volume of mercury = Ah where A = cross-sectional area of tube = 1.00 cm and h = height of mercury = 76.0 cm, ρ' = density of water = 1.00 g/cm³, V = volume of water = Ah' where A = cross-sectional area of tube = 1.00 cm and h' = height of water.

So, ρV = ρ'V'

ρAh = ρ'Ah'

h' = ρAh/ρ'A

h' = ρh/ρ'

Substituting the values of the variables into the equation, we have

h' = ρh/ρ'

h' = 13.60 g/cm³ × 76.0 cm/1.00 g/cm³

h' = 13.60 × 76.0 cm

h' = 1033.6 cm

So, the water would stand at a height of 1033.6 cm

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In this case, according to the Raoult's law, we can find the mole fraction of 79 wt% benzene and 21 wt% toluene at 50 °C in the vapor phase as follows:

[tex]y_iP=x_iP_i[/tex]

However, we first have to calculate the mole fractions in the solution as follows (b stands for benzene and t for toluene):

[tex]\\x_b=0.79\frac{g\ benzene}{g\ solution} *\frac{(78.11*x_b+92.14*x_t)}{1mol\ solution} *\frac{1mol\ toluene}{78.11g\ toluene} \\\\x_b=0.79\frac{g\ benzene}{g\ solution} *\frac{78.11*x_b+92.14*(1-x_b)}{1mol\ solution} *\frac{1mol\ toluene}{78.11g\ toluene}\\\\x_b=0.79*(x_b+1.18*(1-x_b))\\\\x_b=0.79x_b+0.932-0.932x_b\\\\x_b=\frac{0.932}{1+0.932-0.79} =0.816\\\\x_t=1-x_b=1-0.816=0.184[/tex]

Next, we calculate the total pressure as follows, according to the Dalton's law:

[tex]P=x_bP_b+x_tP_t=0.816*271mmHg+0.184*91.5mmHg=237.972mmHg[/tex]

Finally, the mole fractions of the vapor phase turn out:

[tex]y_b=\frac{0.816*271mmHg}{237.972mmHg}=0.929\\\\y_t=1- 0.929=0.071[/tex]

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Answer:

D: Kinetic Energy​

Explanation:

Temperature is a measure of kinetic energy. Temperature is a measure of the average kinetic energy of the particles in an object. When temperature increases, the motion of these particles also increases.

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Answer:

The answer is 3

Explanation:

Hope this helps and have a wonderful day.

Answer:

cpd 2

Explanation:

aldehyde is such a cpd which contains an alkyle gp with the formula R-CH=O

Functional group can be interconverted into each other by the means of suitable reagent. Functional group are responsible for the chemical and physical properties of a compound. Therefore the correct option is option 2 that is having group  R-CHO.

A group of atoms forming a component of a molecule that accounts for a particular function or chemical behavior is called a functional group. There are so many functional group in organic chemistry.

The list of functional groups with their corresponding formulas can be given as

Carboxylic group COOH

Alcoholic group OH

Ammine group NH₂

Ketonic group R-CO_R

Aldehydic group R-CHO

Thiol group R-S-H

Cyanide group -CN

Therefore the correct option is option 2 that is having group  R-CHO.

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The mass of KCl that exists in 20.3 g of solution containing 1.14% by mass of KCl is 0.23 g

From the question given above, the following data were obtained:

Mass of solution = 20.3 g

Percentage of KCl = 1.14% = 1.14 / 100 = 0.0114

[tex]Percentage = \frac{mass of solute}{mass of solution} * 100\\\\0.0114 = \frac{mass of KCl}{20.3} \\\\[/tex]

Cross multiply

Mass of KCl = 0.0114 × 20.3

Therefore, the mass of KCl in the solution is 0.23 g

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The Correct choice is~ B

The elements shown in green boxes are ~ Metalloids

Answer:

they physical quantities that are uneffected by changes to a vector space basis

Answer:

see explanation

Explanation:

An AX₂E₂ geometry is derived from an AX₄ parent geometry and is based upon 4 regions of electron density about the central element and defines a tetrahedral geometry and the geometry is bent angular.

An example is the water molecule (H₂O) with two covalent O - H bonds and two free pair electrons on the central oxygen element.

Answer:

if the cell grows beyond a certain limit, not enough material  will be able to cross the membrane fast enough to sustain the increased cellular volume

Answer: In most cells, this passage of all materials in and out of the cell must occur through the plasma membrane



Explanation:

Answer:

it undergoes a chemical change