A)Calculate the percent by mass of each element (H and O) in water (H2O): b)Calculate the mass of hydrogen in your 50.0 mL of water. |
c)Calculate the mass of oxygen in your 50.0 mL of water.
d)Use the density of water to calculate the volume of one mole of water, in mL.
one mole of water is 50 ml
e)One swallow of water is about 20 mL of water.
f)How many moles of water are in one swallow?
g)How many molecules of water are in one swallow?

What type of energy do chemical bonds have? what type of energy is it converted to during chemical reactions? question 15 options: chemical bonds have kinetic energy, which is converted to potential energy during chemical reactions. chemical bonds have electric energy, which is converted to potential energy during chemical reactions. chemical bonds have heat energy, which is converted to kinetic energy during chemical reactions. chemical bonds have potential energy, which is converted to heat energy during chemical reactions.

Which of the following contributes to the structural rigidity of cellulose? adjacent glucose polymers are stabilized by hydrogen bonding. glucose residues are joined by (α1→4) linkages. cellulose is a highly branched molecule. the conformation of the glucose polymer is a coiled structure.

Which type of precipitation would most likely form when the surface air temperature is slightly below freezing and the air temperature increases as you move upward away from the ground?