Convert 6.2 moles of water to moles of carbon dioxide using dimensional analysis

Consider the balanced equation below. n2h4 + 2h2o2 n2 + 4h2o what are the mole ratios of hydrazine (n2h4) to hydrogen peroxide (h2o2) and hydrazine to water? 1: 2 and 1: 4 1: 3 and 1: 4 1: 2 and 3: 5 1: 3 and 3: 5

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

Why is permeable soil best for plants that need a lot of drainage?