Which of the following are examples of matter?a. heat b. sunlight c. water d. grass e. air

Which of the following pairs of elements belong to the same groupa. h and he b. li and bec. c and pb d. ga and ge

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

Which property of water causes water drops to bead on a freshly waxed car?