Answer:

Explanation:
Hello,
In this case, considering the Dalton's law states that the total pressure of a system equals to the summation of all the pressures of the gases in the system as shown below:

In such a way, for the given system, we've got:

Finally, solving for the partial pressure of nitrogen, we obtain:

Best regards.
Answer:
D. 2Cu + O2 = 2CuO
Explanation:
Then CuO, which is black, reacts with CO2 to form CuCO3 which is green.
The answer is a!..................
Answer:
Volume is the amount of space taken up an object.