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almond37 [142]
3 years ago
7

What is quantum physics​

Chemistry
1 answer:
lesya [120]3 years ago
5 0
Quantum physics is the branch of physics concerned with quantum theory.
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5.6 g of solid CO2 is put in an empty sealed 4.00 L container at a temperature of
tresset_1 [31]

Answer:

0.78 atm

Explanation:

Step 1:

Data obtained from the question. This includes:

Mass of CO2 = 5.6g

Volume (V) = 4L

Temperature (T) =300K

Pressure (P) =?

Step 2:

Determination of the number of mole of CO2.

This is illustrated below:

Mass of CO2 = 5.6g

Molar Mass of CO2 = 12 + (2x16) = 12 + 32 = 44g/mol

Number of mole CO2 =?

Number of mole = Mass/Molar Mass

Number of mole of CO2 = 5.6/44

Number of mole of CO2 = 0.127 mole

Step 3:

Determination of the pressure in the container.

The pressure in the container can be obtained by applying the ideal gas equation as follow:

PV = nRT

The gas constant (R) = 0.082atm.L/Kmol

The number of mole (n) = 0.127 mole

P x 4 = 0.127 x 0.082 x 300

Divide both side by 4

P = (0.127 x 0.082 x 300) /4

P = 0.78 atm

Therefore, the pressure in the container is

3 0
4 years ago
In the area with a large population of valuable ocean organisms is called a(n)
vladimir2022 [97]

Answer:

fishery

An area with a large population of valuable ocean organisms is called a fishery. If it was correct mark me as brainiest

3 0
3 years ago
4NH3(g) + 3O2(g) --> 2N2(g) + 6H2O(l)
inessss [21]

Answer:

left, increase

Explanation:

If oxygen gas is removed from the system, then the equilibrium will shift to the __left_____ and the amount of NH3 gas will _increase________.

7 0
4 years ago
Below is a diagram of an atom. What is the atomic number of this atom?
Oksana_A [137]

Answer:

14

Explanation:

there are 14 electrons in the shells

8 0
3 years ago
What happened when the P-waves traveled through the planet?
xxTIMURxx [149]

Answer: It passes through both mantle and core, but are slowed and refracted at the mantle / core boundary at a depth of 2900 km.

Explanation:

6 0
4 years ago
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