Answer:
B, C, D, and E
Explanation:
A toxin that binds specifically to voltage-gated sodium channels in axons would be expected to.
5. When baking cookies, it is important to correctly identify the white granular substance you are
putting into the cookies. Instead of sugar, my grandma put 97.21 grams of salt (NaCl) in her
batch of cookies! How many moles of salt were in the cookie dough?
Answer:
I multiply 97.21 by the amount of cookies you have.
Explanation:
i dont know if this is correct but i multiplyed it by two and got 194.42
Would a hurricane more likely remain a hurricane if it reached point A or point B? Explain your answer.
Answer:
B
Explanation:
Water gives more energy to the hurricane, so it would stay as one. If the hurricane hits the land, it will start getting smaller till it disappears.
Imagine that a single cell below goes through four cell divisions. How many cells are produced? To find out, draw the parent cell and cells present after each division. Then write the number of cells in the space below each drawing. (Hint: the number of cells doubles with each division.)
How many cells will be present after 10 divisions?
16 cells are produced from a single parent cell after fourth division of cell.
How many cells will be present after 10 divisions?During mitosis type of cell division, one parent cell is divided into two daughter cells. In this way, in the first division two cells are produced from single parent cell, in the second division four daughter cells are produced. In the third division, 8 cells are produced from 4 parent cells and in the fourth division 16 cells are formed from 8 cells.
So we can conclude that 16 cells are produced from a single parent cell after fourth division of cell.
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Answer:
16
Explanation:
I'm doing the exact assignment we are in the same school
An unknown amount of gas has a volume of 12 L and a pressure of 5.6 atm. If the temperature is 205K, how many moles of gas are present
The number of moles of the gas present is 4 moles.
To calculate the numbers of moles of the gas present, we use the formula below.
Formula:
PV = nRT............. Equation 1Where:
P = PressureV = Volumen = Number of moles of the gasR = molar gas constantT = Temperature.Make n the subject of the equation
n = PV/RT............ Equation 2From the question,
Given:
P = 5.6 atmV = 12 LT = 205 KR = 0.0821 L.atm.K⁻¹.mol⁻¹Substitute these values into equation 2
n = (5.6×12)/(0.0821×205)n = 67.2/16.8305n = 3.99n ≈ 4 molesHence, the number of moles of the gas present is 4 moles.
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Suppose you spill a few drops of sulfuric acid solution on your sleeve, but there is no visible harm. Can you be confident the fabric is safe
Answer:
No
as they are dispensed, during use, and as they are discarded
Explanation:
Suppose you spill a few drops of sulfuric acid solution on your sleeve, but there is no visible harm.
Can you be confident the fabric is safe?
No
The best way to protect yourself from such mishaps is to be mindful of the acid and base solutions
as they are dispensed, during use, and as they are discarded
What happens to the concentration of both H3O+ and OH- ions as water is added to an acid?
Answer
adding an acid to water increases the concentration of the H3O+ ion. decrease in the concentration of the OH- ion.
Explanation/ complete answer
Adding an acid to water therefore has an effect on the concentration of both the H3O+ and OH- ions. Because it is a source of this ion, adding an acid to water increases the concentration of the H3O+ ion. Adding an acid to water, however, decreases the extent to which water dissociates. It therefore leads to a significant decrease in the concentration of the OH- ion.
Why do metals tend to form cations and nonmetals tend to form anions?
Explanation:
here's the link to your answer
btly. 55/7
where are transition metals found in the periodic table?
Answer:
Middle
Explanation:
Transition metals are located in the middle of the Periodic table from group 3 to group 11.
Hope this helped!
- profparis
C. A sample of copper is 4.46 moles. Determine how many atoms your piece of metal
Contains
Answer:
[tex]2.686*10^{24}[/tex]
Explanation:
Avogadro's number, 10 x 10^{23}, represens the number of atoms in a single mole of any substance.
Since we already of have the mole amount and don't need to calculate that from the grams of the substance, we can simply multiple Avogadro's number by the amount of moles given.
[tex]4.46 *(6.022*10^{23}) = 2.686 * 10^{24}[/tex]
How many moles are in 8.30 X 10^23 molecules of KCI?
Answer:
No. of moles = no. of given molecules/NA
No. of moles = 8.3 × 10^23 / 6.023 × 10^23
= 1.3780 moles
Explanation:
2. When a person gets too cold, his or her body will begin
Shiver
until the body's temperature is back to
normal. In sentences explain why this is an example of
homeostasis.
Answer:
The body will react because your body needs warmness to survive and coldness can make you sick and even kill you.
How many moles does 21. 7 L of gas at STP represent?
Answer:
.96875 moles
Explanation:
22.4 liters per mole at STP for a gas
21.7 / 22.4 = .96875 moles
It's #9 Pls help will give 100 points and brainiest
heating is repeated to ensure all water molecules have evaporated
Mass%
Mass of element/Mass of solution×10025/175+25×10025/200×10025/212.5%Option B
Which is an example of an accurate manipulation of the ideal gas law?.
The correct manipulation of the ideal gas equation as shown here is (PV)/R=nT.
What is the ideal gas law?
According to the ideal gas law; PV = nRT. Now, this law applies to gases at high temperature and low pressure.
Given this fact, we know that the correct manipulation of the ideal gas equation as shown here is (PV)/R=nT.
Missing parts;
Which is an example of an accurate manipulation of the Ideal Gas Law and explain why?
(PV)/R=nT 1
PV=(nT)/R 2
PV=(RT)/n 3
PV=(nR)/T 4
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The form of energy from the sun can be transformed into the energy needed for a tree to grow. What types of energy occur in this transformation?
Question 5 options:
Electromagnetic - mechanical
Potential - kinetic
Light - chemical
Nuclear - thermal
The form of energy from the sun can be transformed into the energy needed for a tree to grow is light to chemical energy.
What is energy transformation?Energy transformation is a process in which one form of energy is transfered into another form without any loss of energy.
Sun provides solar energy to the earth surface and that will be used by plants and trees for the production of food to grow. So that plants will convert the solar energy means light energy into chemical energy for their use.
Hence conversion of light energy to chemical energy takes place.
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Radiation takes place with________ between a heat source and an object.
type your answer in the blank
Answer:
radiation takes place with energy between a heat source and an object
Explanation:
g o o g l e
How many aluminum atoms are found in 8.57 moles of aluminum?
Answer:
1.02 10 to the 23 power(or 100,000,000,000,000,000,000,000)
atoms of AL
Explanation:
ive had this question before
40 POINTS!! AND IF YOU DONT GET IT RIGHT IMMA REPORT YOU AND PLEASE HELP ME
Once upon a time, a mother duckling sat on her eggs with great impatience. How long would it be before they hatched? Finally, one summer day, the mother duckling watched as the eggs cracked, and her cute, yellow ducklings waddled into the world. She was filled with joy until she noticed that one egg, which was larger than all of the others, remained. After many hours, the egg cracked. A large, gray duckling emerged. The mother duck was horrified at the duckling's appearance. The mother duck's only comfort was that the ugly duckling could swim and dive under the water.
As the ugly duckling grew, many animals in the pond criticized him. His feathers were too dark, his neck was too long, and his body was too big. His fellow ducklings refused to recognize that underneath the feathers, the ugly duckling was kind, good, and gentle. The ugly duckling shed many tears because none of the other animals would play with him.
One day, the ugly duckling decided to run far away and find a place where the animals would look past his appearance and be kind and friendly. He came to a pond and sighted three beautiful swans. Their white feathers, long necks, and kind eyes made them look like royalty. The ugly duckling sighed in disappointment. He believed that the swans would never be his friends and looked down into the pond in despair. Then, his eyes opened wide, for he saw his reflection. To his great astonishment, the ugly duckling discovered that he was a beautiful, royal swan! The swans welcomed their new friend, whose lovely appearance was matched only by his kind heart. He now felt like he belonged.
Read the fairy tale The Princess and the Pea.
Once upon a time, there was a handsome prince. The prince lived with his mother and father in a luxurious castle that overlooked a valley of wildflowers and a distant forest. As the prince grew up, he began to long for a princess. However, the prince wanted to be sure that the princess was a real princess. The queen and king searched far and wide for a real princess, but the prince always found something wrong with the princesses they found.
One evening, there was a terrible storm. The wind howled, thunder shook the stone walls, and lightning filled the dark night sky. Through the pelting of the rain, there came a knock at the door. When the king opened the door, he saw a bedraggled girl, soaked to the skin and covered in mud. He ushered her into the castle so that she could warm herself by the fire.
"Why is a young servant girl like you wandering about on such a ferocious night?" queried the king.
The disheveled maiden looked at the king in disbelief. "I am a princess, come to see the prince," she explained, all the while shivering.
The king summoned his wife, the queen, for advice. The queen looked at the hideous creature in disbelief, thinking that no princess would ever allow herself to be found in such a state. She thought quickly and came up with a clever plan. The queen put a small pea at the bottom of a bed and piled twenty mattresses on top of it. When the girl arrived at the room, she had to climb a ladder to reach the top of the bed, where she collapsed in exhaustion.
Bright and early the next morning, the king and queen arrived at the girl's bedchamber. The queen asked the girl how she had slept the night before.
"Absolutely terribly!" bemoaned the maiden. "I have spent the entire night tossing and turning. I don't know whether there is something hard in the bed, or your mattresses are rocks, but my body is black and blue."
The queen and the king stared at the maiden in astonishment. Only a real princess would have such delicate skin that she could feel a pea under twenty mattresses. The queen and king brought her to the prince, who was thrilled to meet a real princess with such an independent spirit.
How do the authors use similar and different events in each fairy tale to illustrate the theme that people should not be judged based on their appearances? Use complete sentences and evidence from the text to support your answer.
Answer:
MAIN IDEA
What the authors meant is not to judge people by their looks.
_____________________________________________________________
THE UGLY DUCKLING
The ugly duckling doesn't fit with the other ducklings and grows up, to be a fabulous bird. In the beginning, he is teased because of his looks, in a quote, "As the ugly duckling grew, many animals in the pond criticized him. His feathers were too dark, his neck was too long, and his body was too big. His fellow ducklings refused to recognize that underneath the feathers, the ugly duckling was kind, good, and gentle. The ugly duckling shed many tears because none of the other animals would play with him."
Near the end, however, it states, "He believed that the swans would never be his friends and looked down into the pond in despair. Then, his eyes opened wide, for he saw his reflection. To his great astonishment, the ugly duckling discovered that he was a beautiful, royal swan! The swans welcomed their new friend, whose lovely appearance was matched only by his kind heart. He now felt like he belonged." Throughout the course of the story, the other birds' views change since now they realize how awful they felt for mistreating the ugly duckling.
_____________________________________________________________
THE PRINCESS AND THE PEA
The king and queen didn't believe that she was a princess, so they had her endure the trial of sleeping on twenty mattresses with a pea under the very bottom one. Near the beginning of the story, it states, "The disheveled maiden looked at the king in disbelief. "I am a princess, come to see the prince," she explained, all the while shivering. The king summoned his wife, the queen, for advice. The queen looked at the hideous creature in disbelief, thinking that no princess would ever allow herself to be found in such a state. She thought quickly and came up with a clever plan. The queen put a small pea at the bottom of a bed and piled twenty mattresses on top of it. When the girl arrived at the room, she had to climb a ladder to reach the top of the bed, where she collapsed in exhaustion." This is when the king and queen were in doubt that she was a princess.
However later on it stated, "Bright and early the next morning, the king and queen arrived at the girl's bed-chamber. The queen asked the girl how she had slept the night before. "Absolutely terribly!" bemoaned the maiden. "I have spent the entire night tossing and turning. I don't know whether there is something hard in the bed, or your mattresses are rocks, but my body is black and blue." The queen and the king stared at the maiden in astonishment. Only a real princess would have such delicate skin that she could feel a pea under twenty mattresses. The queen and king brought her to the prince, who was thrilled to meet a real princess with such an independent spirit." As you can see the king and queen believed that she was a princess now because they stated, "Only a real princess would have such delicate skin that she could feel a pea under twenty mattresses."
_____________________________________________________________
CONCLUSION
Both stories focus on how the main character is doubted or mistreated because of how they look, but throughout the stories, the main character proves them wrong.
Explanation:
Have a great rest of your day
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why is it important to control the non-tested variables in an experiment?
Answer:
In experiments, a researcher or a scientist aims to understand the effect that an independent variable has on a dependent variable. Control variables help ensure that the experiment results are fair, unskewed, and not caused by your experimental manipulation.
Explanation:
I hope this helps out.
naming ions worksheet
Answer:
I used to know this stuff but I don't remember it anymore
How many moles of 02 should be supplied to burn 1 mol of C3H8(propane) molecules in a camping stove?
Answer:
This tells you that when 1 mole of propane undergoes combustion, 3 moles of carbon dioxide are produced. You can thus say that when 2.0 moles of propane react, you will get 2.0moles C3H8 ⋅ 3.moles CO2 1mole C3H8 = 6.0 moles CO2
Explanation:
what is the color of indicator for battery acid, water, vinegar, soda pop, shower (ammonia) cleaner and liquid drain cleaner
What is the carbon load (g CO2 per mil fuel) of Gas
Answer:
Mass =116.16 g
Explanation:
Given data:
Moles of CF₄ = 1.32 mol
Mass of CF₄ = ?
Solution:
Molar mass of CF₄= 88 g/mol
Formula:
Number of moles = mass/ molar mass
Number of moles × molar mass = Mass
Mass = 1.32 mol × 88 g/mol
Mass =116.16 g
what mass of NaNo3 is needed to make 400mL of a 0.3M solution? (molar mass = 84.99)
How are gypsum and selenite chemically similar? What makes them different?
Answer:
Gypsum and Selenite have the same chemical composition but differ in crystallisation habit. Selenite is usually crystalline and the association of the impurities is superficial which are eliminated by washing. Gypsum is fine grained in nature and is beneficiated by flotation only.
Which of these words best describes conditions on the moon?
A - dry
B- windy
C- hot
D- rocky
E- bumpy
the conditions on the moon are most likely bumpy
How many grams of potassium sulfate must be added to make 200. mL of a 0.200 M potassium sulfate solution
Answer: 6.97 g
Explanation:
Grams of potassium sulfate must be added to make 200. mL of a 0.200 M potassium sulfate solution are 6.96.
What is Molarity?Molarity of a given solution is known as the total number of moles of solute per litre of the solution. A solution that is 1.00 molar (written 1.00 M) contains 1.00 mole of solute for every liter of solution.
Molarity = (No. of moles of solute ÷ Volume of solution in liters)
The unit of molarity is mol L⁻¹.
Molarity is temperature dependent because as temperature changes, volume of the solution also changes.
No. of moles of solute = 0.04
Mass of potassium sulfate = 174.2 × 0.04
Mass of potassium sulfate = 6.96 grams
Therefore, Grams of potassium sulfate must be added to make 200. mL of a 0.200 M potassium sulfate solution are 6.96.
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A 2000 g sugar-water solution contains 200 g of sugar. The concentration of the solution by mass is
a. 1%
b. 9%
c. 10%
d. 12%
Answer: the answer is letter c which is 1 percent
Explanation:
If force of 6.0 N causes a 1.0 kg block to accelerate 4.0 m/s2 to
the right, then what is the force of friction acting on the block?
The force of friction acting on the block is -2N.
To find the force of a friction, the given datas are,
Force = 6N
Mass = 1 kg
Acceleration = 4 m/s².
What is the force of friction?The push or pull on an object that made the changes in the velocity with the mass. The object's or body's is to be at motion or at rest will be determined by Force. It has both the magnitude and direction.
The Net Force of the object can be written by:
Fnet = ma
where m is the mass of the object in kg
a is the acceleration of the object in m/s^2
Substituting the values in the formula,
Fnet = (1.0)(4.0)
= 4 N
We also know that Net force is also the sum of all forces acting on an object. In this case Friction and the Pushing Force is acting on the object. Hence we can write that:
Fnet = Pushing Force + (-Friction)
6N = 4 N - Friction
Friction = - 2N
Hence the force of friction is -2 N.
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