I'm not entirely sure but i think it's Se2-
Answer: a supposition or proposed explanation made on the basis of limited evidence as a starting point for further investigation.
Explanation: definition
A typical human hair is about 1 million carbon-12 atoms JUST IN WIDTH.
Answer:
the process or result of oxidizing or being oxidized
Answer:

Explanation:
Hello!
In this case, since the equation for the ideal gas is:

For each gas, given the total volume, temperature (28.1+273.15=301.25K) and moles, we can easily compute the partial pressure as shown below:

Best regards!