A ball-and-stick model of a glucose molecule is shown here. How many of each element are needed to make one glucose molecule? HELP

7. what temperature is need to just dissolve 50 g of nh4cl in 75 g of water? '

Areaction is first order with respect to reactant x and second order with respect to reactant y. which statement describes the rate law for this reaction?

Water undergoes a large change in density at 0 ∘ c as it freezes to form ice. calculate the percent change in density that occurs when liquid water freezes to ice at 0 ∘ c given that