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sammy [17]
2 years ago
7

53. Why do real gases deviate from the ideal gas laws at low temperatures?

Chemistry
1 answer:
kirill115 [55]2 years ago
8 0

Answer:

The volume occupied by molecules becomes a significant part of the total volume.

Attractions between molecules cause a reduction in volume.  

Explanation:

C is wrong. The masses of molecules are constant.

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2) Which of the following statements best describes an element?
mixas84 [53]

Answer:

E

Explanation:

The answer woul be E because elements are made of one type of atoms

3 0
3 years ago
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The noble gases are located in which column of the periodic table?A. 1B. 6C. 9D. 18
Vika [28.1K]
D IS THE ANSWER TO YOUR QUESTION
6 0
3 years ago
Calculate (a) the number of moles of hydrogen required to react with 0.0969 moles of nitrogen, and (b) the number of moles of am
Bumek [7]

Answer:

The answer to your question is:

Explanation:

Data

moles H=?

moles of N = 0.0969

moles of NH₃=?

                            N₂ (g)  + 3 H₂ (g)  ⇒   2NH₃ (g)

Process

1.- Set a rule of three to calculate the moles of hydrogen

                         1 mol of nitrogen  -------------   3 moles of hydrogen

                         0.0969 moles of N ----------     x

                         x = (0.0969 x 3) / 1

                         x = 0.2907 moles of hydrogen          

2.- Set a rule of three to calculate the moles of ammonia

                        1 mol of nitrogen --------------  2 moles of ammonia

                        0.0969 mol of N --------------   x

                        x = (0.0969 x 2) / 1

                        x = 0.1938 moles of ammonia                

5 0
3 years ago
How many moles of oxygen gas (O2) are required to completely react with 10 moles of hydrogen gas (H2)?
Brums [2.3K]

Answer:

5 moles of oxygen are required.

Explanation:

Given data:

Moles of O₂ required = ?

Moles of H₂ present = 10 mol

Solution:

Chemical equation:

O₂ + 2H₂       →     2H₂O

Now we will compare the moles of oxygen and hydrogen.

                      H₂        :        O₂

                        2         :         1

                       10         :     1/2×10 = 5 mol

5 moles of oxygen are required.

3 0
3 years ago
A radioactive sample has a half-life of 5 hours. What fraction of the sample will be left after 15 hours?​
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Explanation:

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