If a 6 L closed container holds 7 moles of hydrogen gas at a pressure of 10 atm, what is the temperature, in Kelvin?

Iknow the answer to 13 is b and 14 is d. i just need to know why the correct answers are correct

Amanda pushes a box across the room with a force of 30 n. it accelerates at 5 m/s/s. what is the mass of the box? * 6 kg 1.16 kg 30 kg 5kg

Problem page a jet airplane reaches 846. km/h on a certain flight. what distance does it cover in 13.0 min? set the math up. but don't do any of it. just leave your answer as a math expression. also, be sure your answer includes all the correct unit symbols.