4. My VERY FANCY LUNCHBOX always maintains itself at the SAME TEMPERATURE and the SAME VOLUME....
4. My VERY FANCY LUNCHBOX always maintains itself at the SAME
TEMPERATURE and the SAME VOLUME. What happens to the PRESSURE if I
put TWICE as many molecules into
it?
5. This time, I keep the same NUMBER of molecules and the SAME
VOLUME in my VERY FANCY LUNCHBOX. What happens to the PRESSURE if I
DOUBLE the TEMPERATURE?
Homework Answers
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4. My VERY FANCY LUNCHBOX always maintains itself at the SAME
TEMPERATURE and the SAME VOLUME....
16. Two containers having the same volume and temperature hold the same number of moles of...
16. Two containers having the same volume and temperature hold the same number of moles of gas. The first container contains He (g). The second container contains UF6 (). Which of the following is true? (4 points) (a) Some of the UFs molecules are moving faster than some of the He atoms. (b) The pressure of the He container is higher. (c) The average speed of the UF, molecules will be greater than the average speed of the He atoms....
e what happens under varying conditions. An ideal gas occupies a volume of 1.0 cm' and...
e what happens under varying conditions. An ideal gas occupies a volume of 1.0 cm' and is at 20.0°C and atmospheric pressure. a. Determine the number of molecules contained in the gas. b. If the pressure is reduced to 10" Pa (a very good vacuum) while the volume and temperature remain constant, how many moles of gas remain in the container? c. Calculate the average speed of the nitrogen molecules in the gas.
16. Two containers having the same volume and temperature hold the same number of moles of...
16. Two containers having the same volume and temperature hold the same number of moles of gas. The first container contains He (8). The second container contains UF6 (8). Which of the following is true? (4 points) (a) Some of the UF6 molecules are moving faster than some of the He atoms. (b) The pressure of the He container is higher. (c) The average speed of the UF molecules will be greater than the average speed of the He atoms....
#4 4) Two containers of equal volume each hold samples of the same ideal gas. Container...
#4
4) Two containers of equal volume each hold samples of the same ideal gas. Container A has twice as many molecules as container B. If the gas pressure is the same in the two containers, the correct statement regarding the absolute temperatures TA and TB in containers A and B, respectively, is A) TA- JIB B) TA =TB. C) TA = 2TB. D) TA = TB. E) TA=TB:
5. 4] Consider a box of volume Vo containing an ideal gas of No identical molecules....
5. 4] Consider a box of volume Vo containing an ideal gas of No identical molecules. Consider a section of the box with volume V-V/3. For parts a)-d) of this problem. No is very large a) [0.5] At any given time, what is the probability of finding all No molecules in ? (There is no wall separating Vfrom the rest of the box.) b) [0.5] If you could measure the number of molecules in V, and you carried out such...
5. Two containers of equal volume each hold samples of the same ideal gas. Container A...
5. Two containers of equal volume each hold samples of the same ideal gas. Container A has twice as many molecules as container B. If the gas pressure is the same in the two containers, the correct statement regarding the absolute temperatures TA and TB in containers A and B, respectively, is a) TA = 2 TB b) TA = TB /2 c) TA = TB / √2 d) TA = TB e) TA = TB /4
I'm taking a C programming class and I've been just playing around with the code (very...
I'm taking a C programming class and I've been just playing around with the code (very beginner stuff!) and I was trying to figure out how to add something in the middle of a printf(). What I was trying to do was put a $ symbol in front of an amount while setting the width and precision at the same time, but I'm finding myself stumped and there's nothing in the textbook that discusses it. More just curiosity on my...
The ideal gas law states that PV = NkgT where P is the absolute pressure of...
The ideal gas law states that PV = NkgT where P is the absolute pressure of a gas, V is the volume it occupies, N is the number of atoms and molecules in the gas, and T is its absolute temperature. The constant ko is called the Boltzmann constant and has the value kg = 1.38x10-23J/K. A very common expression of the ideal gas law uses the number of moles, n- N/NA (NA is Avogadro's number, NA=6.021023 per mole). PV...
2. List some familiar adaptations animals have to reduce the effects of temperature extremes on their...
2. List some familiar adaptations animals have to reduce the effects of temperature extremes on their many vital, enzyme-catalyzed reactions. 3. In general, the rates of chemical reactions double for every 10 degrees (Celsius) increase in temperature. What changes at the molecular level account for slower reaction rates of enzyme- catalyzed reactions at high temperatures? (Hint: enzymes are protein molecules. What happens to protein molecules when they are heated?) Why are enzyme catalyzed reactions also slower at low temperatures? (Hint:...
i need #5 please! 1. I have 250 g of tea at 90°C in a light...
i need #5 please!
1. I have 250 g of tea at 90°C in a light foam cup. I have some ice cubes at O'C, each with a mass of 10 g. How many should I add to my tea to make it drinkable? Explain your assumptions 2. A thermos will keep hot things hot or cold things cold by preventing the transfer of heat Explain how a thermos prevents each of the different kinds of heat transfer 3. I...
16. Two containers having the same volume and temperature hold the same number of moles of gas. The first container contains He (g). The second container contains UF6 (). Which of the following is true? (4 points) (a) Some of the UFs molecules are moving faster than some of the He atoms. (b) The pressure of the He container is higher. (c) The average speed of the UF, molecules will be greater than the average speed of the He atoms....
e what happens under varying conditions. An ideal gas occupies a volume of 1.0 cm' and is at 20.0°C and atmospheric pressure. a. Determine the number of molecules contained in the gas. b. If the pressure is reduced to 10" Pa (a very good vacuum) while the volume and temperature remain constant, how many moles of gas remain in the container? c. Calculate the average speed of the nitrogen molecules in the gas.
16. Two containers having the same volume and temperature hold the same number of moles of gas. The first container contains He (8). The second container contains UF6 (8). Which of the following is true? (4 points) (a) Some of the UF6 molecules are moving faster than some of the He atoms. (b) The pressure of the He container is higher. (c) The average speed of the UF molecules will be greater than the average speed of the He atoms....
#4
4) Two containers of equal volume each hold samples of the same ideal gas. Container A has twice as many molecules as container B. If the gas pressure is the same in the two containers, the correct statement regarding the absolute temperatures TA and TB in containers A and B, respectively, is A) TA- JIB B) TA =TB. C) TA = 2TB. D) TA = TB. E) TA=TB:
5. 4] Consider a box of volume Vo containing an ideal gas of No identical molecules. Consider a section of the box with volume V-V/3. For parts a)-d) of this problem. No is very large a) [0.5] At any given time, what is the probability of finding all No molecules in ? (There is no wall separating Vfrom the rest of the box.) b) [0.5] If you could measure the number of molecules in V, and you carried out such...
The ideal gas law states that PV = NkgT where P is the absolute pressure of a gas, V is the volume it occupies, N is the number of atoms and molecules in the gas, and T is its absolute temperature. The constant ko is called the Boltzmann constant and has the value kg = 1.38x10-23J/K. A very common expression of the ideal gas law uses the number of moles, n- N/NA (NA is Avogadro's number, NA=6.021023 per mole). PV...
2. List some familiar adaptations animals have to reduce the effects of temperature extremes on their many vital, enzyme-catalyzed reactions. 3. In general, the rates of chemical reactions double for every 10 degrees (Celsius) increase in temperature. What changes at the molecular level account for slower reaction rates of enzyme- catalyzed reactions at high temperatures? (Hint: enzymes are protein molecules. What happens to protein molecules when they are heated?) Why are enzyme catalyzed reactions also slower at low temperatures? (Hint:...
i need #5 please!
1. I have 250 g of tea at 90°C in a light foam cup. I have some ice cubes at O'C, each with a mass of 10 g. How many should I add to my tea to make it drinkable? Explain your assumptions 2. A thermos will keep hot things hot or cold things cold by preventing the transfer of heat Explain how a thermos prevents each of the different kinds of heat transfer 3. I...
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