The density of ethanol is 0.789 g/cm 3 at 20°c. what volume of ethanol has a mass of 15.5 grams?

Abullet found at a crime scene may be used as evidence in a trial if the percentage of metals match to the composition of metals in a bullet from the suspect's ammunition. a forensic scientist's analysis of the bullet shows that it contains 11.9 g of lead, 0.5 g of tin, and 0.8 b of antimony. what is the percentage of lead metal in the bullet? express your answers to the one's place.

What layer of the atmosphere is directly above the troposphere?

Which statement best describes what happens when molecular compounds melt