What was the hiker's average velocity during part C of the hike?

What’s the percent by mass of carbon in c10h14n2

For the reaction shown, find the limiting reactant for each of the following initial amounts of reactants. 4al(s)+3o2(g)→2al2o3(s) a) 1 molal, 1 mol o2 b) 4 molal, 2.6 mol o2 c) 16 molal, 13 mol o2 d) 7.4 molal, 6.5 mol o2

How will the volume of a gas be affected if the pressure is tripled, but the temperature remains the same?