Which statement describes the particles of an ideal gas based on the kinetic molecular theory?(1) The gas particles are relatively far apart and have negligible volume.
(2) The gas particles are in constant, nonlinear motion.
(3) The gas particles have attractive forces between them.
(4) The gas particles have collisions without transferring energy.

Answers

Answer 1

Answer: The particles are in a constant nonlinear motion.

Answer 2

Answer: A. They are far apart and have negligible volume. This makes it easier to calculate certain quantities such as temperature, pressure, and volume. If the gas particle volume is added, then the complex van der Waals equation has to be used to calculate these same quantities. We also assume that they are far apart because this implies that they will not collide.

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How many cans of dog food must Sam buy for his 3 dogs if each dog eats 2 cans per day? Sam only shops once a week.

Answers

Sam would have to purchase 42 cans of dog food each week.

What is the correct way to solve a Maths problem ?

Determine what the question is asking. Write down the relevant information in simple statements. Assign symbols to unknown values that need to be found. Determine how the statements relate to each other mathematically.

To find the answer we can set up an equation : 3 (x) (d)

x = number of cans each dog eats

d = the number of days in a week.

Thus,

Number of Cans to purchase = 3 (2) (7)=42

Therefore, Sam would have to purchase 42 cans of dog food each week.

Learn more about Equations here ;

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To find the answer you can set up an equation like this: 3(x)(d)
x would stand for number of cans each dog eats, while d stands for the number of days in a week. 3(2)(7)=42 Sam would have to purchase 42 cans of dog food each week.

True or false? The radioactive wastes produced by nuclear fission remain dnagerous for dozens of years

Answers

True, this is why Chernobyl is still not to be lived in

For an experiment, you place 15 g of ice with a temperature of -10 C into a cup and labela. You also place 25 g of ice at the same temperature into another cup and label it
b. Which of the following statements is true?
A) The average kinetic energy of the ice in cup A is less than that in cup
b.
B)The average kinetic energy of the ice in cup A is greater than that cup in
b.
C)The average kinetic energy of the ice cup A is equal to that in cup
b.
D)The average kinetic energies of the ice in cup A and the ice in cup B are not comparable.

Answers

Average kinetic energy is given by the formula:

KE(average) = 3/2*k*T

where k = Boltzmann constant = 1.38*10⁻²³ J/K

T = temperature in Kelvin (K)

Thus, the average KE is dependent only on temperature and independent of mass.

Since the temp in Cup A and B remains the same, the average KE will also be the same.

Ans C)

The correct answer is c. Temperature is the average kinetic energy of a sample so if two samples have the same temperature they will also have the same average kinetic energy. I hope this helps. Let me know if anything is unclear.

32 What is the overall charge of an ion that has 12 protons, 10 electrons, and 14 neutrons?(1) 2- (3) 4
(2) 2+ (4) 4+

Answers

The charge of a proton is +1, of an electron is -1, and of a neutron is 0.

12*(+1) +10*(-1) +14*0
= 12 -10
= +2

The correct answer is (2) +2.

Hope this would help~

protons have a 1+ charge
Electrons have a 1- charge
So 12-10 is 2+

What is true about the dilution of a solution?The amount of solute decreases.
The volume remains the same.
The amount of solvent increases.
The concentration increases.

Answers

The amount of solvent increases, since the solvent is the one diluting the solution, the more you want your solution diluted, the more of solvent you'd use. :)

Which of the following structural features is possessed by aldehydes but not ketones? A.) at least one hydrogen atom is bonded to the carbonyl carbon atom B.) At Least one hydroxyl group is bonded to the carbonyl carbon atom C.) the carbonyl carbon atom is part of a ring structure D.) the carbonyl carbon atom is bonded to two other carbon atoms

Answers

A and B I don’t know why they added that

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Help plz and can you plz use terms