A piece of lead has a density of 11.3 g/cm3 and a mass of 282.5 g. What is its volume?

25 cm3

2500 cm3

2.5 cm3

250 cm3

What elements are lipids comprised of?

One reactant with a mass of 10 grams is combined with another reactant with a mass of 8 grams in a sealed container. After the reaction, what is the most reasonable prediction for the total mass of the products of this reaction?

A student needs. 575 moles of sodium chloride for an experiment. how many grams she she mass out

Calculate the volume in milliliters of a 1.3M zinc nitrate solution that contains 100. g of zinc nitrate ZnNO32. Be sure your answer has the correct number of significant digits.

Name the only element that contains no neutrons and why is it likely to be unstable?

1.4 Explain why it is important to support individuals to challenge information about services that may present a barrier to participation

Which describes energy changes during nuclear fission? A very large amount of energy is produced from a tremendous mass. EEUU A very large amount of energy is produced from a very small mass. G .

A 0.75mol calcium carbonate (CaCO3) pellet has what mass?

The pH of the acid in the stomach is 2. When a person has heartburn, the acid in their stomach is coming up the esophagus (lower throat) and burning the lining of the esophagus. Why would a person take an Alka Seltzer tablet for heartburn?

Calculate the photon energy (in joules) for the light emitted from the hydrogen atom if ninitial = 4 and nfinal = 2.