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nadezda [96]
3 years ago
10

The pressure of a gas at constant temperature is increased by a factor od 4. By what factor does the volume change?

Chemistry
1 answer:
viktelen [127]3 years ago
4 0

Answer:

A

Explanation:

The formula used is

PV = P1 * V1

P = x

P1 = 4x

V1 = 1

V2 = ?

x * 1 = 4x * V2          Divide both sides by x

x/x = 4x /x * V2

1 = 4*V2                   Divide by 4

1/4 = 4*V2/4

1/4 = V2

The answer is A

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How many protons (p) and neutrons (n) are in the atom of 38 90sr?
uranmaximum [27]
The number of protons is always equal to the atomic number of any element. strontium has 38 protons, which when taken away from 90 gives you 52 neutrons, which is three more neutrons than what Sr should have making 38 90Sr an isotope.  Hope this helps.
7 0
4 years ago
What is the stock and classical name for CrBr3?
madam [21]

Answer:

The stock name (CrBr3) :  <em>chromium(III) sulfide</em>

The classical name (CrBr3) : <em>chromic bromide</em>

3 0
4 years ago
What is the mass of 3.01 X 1023 atoms of iron? (atomic mass of Fe=56)
anyanavicka [17]
84280/3011 or 27.9907g Fe

Explanation:

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3 0
3 years ago
A reaction is in equilibrium as shown: A + B C + D. Calculate the equilibrium constant in the final concentrations stabilized at
Butoxors [25]

Answer:

K = 0.167

Explanation:

The equilibrium constant, K of a reaction, is defined as the ratio of the concentrations of products and concentrations of reactants.

For the reactions:

A + B ⇄ C + D

For the definition, K is:

K = [C] [D] / [A] [B]

K = [4.0M] [4.0M] / [9.6M] [10.0M]

<h3>K = 0.167</h3>

8 0
3 years ago
2. Food is another concern before the trip begins. Everyone has become accustomed to a 1500 calorie diet due the food
fomenos

About 46.1 pounds of apple would be needed per day of the trip.

I managed to extract the complete scenario from the attached image.

The trip is made up of 4 men and 3 women, making a total of 7 people.

Everyone has become accustomed to 1500 calories per day.

The total calories needed per day for 7 persons = 1500 x 7

                           = 10,500 calories

189 g of apple has only 95 calories, what g of apple will produce 10,500 calories?

                 = 10,500 x 189/95 = 20,889.67 g of apple

From conversion:

1 g = 0.00220462 pounds

20,889.67 g = 20,889.67 x 0.00220462

                         = 46.1 pounds of apple

More about dimensional analysis can be found here: brainly.com/question/22015862

8 0
3 years ago
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