Asolution contains 0.400 g of naoh in 20.0 ml of solution. what is its molarity?

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 much heat is added if 0.814g of water increase in temperature by 0.351 degree c?

What four properties do all waves have in common