A tube contains hydrogen and oxygen gas. Its total pressure is known to be 4.53 atm. It's the pressure of the hydrogen is 2.7 atm, what us the pressure of the oxygen in atm?

Imagine one batch of soup (batch “a”) is made with 8.19 g/can of salt, according to the recipe, and a second batch of soup (batch “b”) is made with 8.32 g/can of salt. explain which batch would be more resistant to frost damage if it is shipped a great distance in winter and explain why.