How many hydrogen bonds can CH2O make to water?

Consider again the thermite reaction. If 0.0257 g Al react completely, what mass of Fe forms? Use the periodic table to find molar masses. Fe2O3 + 2Al → Al2O3 + 2Fe Select the correct setup for this calculation.

Alfred wegener suggested that earths continents are moving. Which evidence support this theory

What does the "proof" mean on a bottle of liquor? i know that 100 proof liquor is 50% alocohol and 80 proof is 40% and so on. but where does the term "proof" come from and why display it on the bottle? why not just say 50% alcohol etc etc?

What distinguishes the rock cycle the water cycle the carbon cycle and the nitrogen cycle as Cycles

Which choice can be a solid, liquid, or a gas? A. steel B. silver C. water D. carbon dioxide

When does a spring tide take place? At the beginning of spring Only during the spring season Only after spring is over At any time

The highest cloud are known as

What is the mass of 4.85 X 10^22 atoms of iron (Fe) ?

If element x has 95 protons how many electrons does it have

Which of the following when dissolved in deionized water would make a good conducting solution? a) methanolb) sugarc) baking soda