How many atoms are in 131.97 liters of water vapor at STP?

A) 6.023 * 1023

B) 3.54846 * 1024

C) 3.548 * 1024

D) 1.0645 * 1025

A geochemist has determined by measurements that there are 33.7 moles of tin in a sample of cassiterite. how many moles of oxygen are in the sample?

Does bleach cause a physical or chemical change

How is CN - a weak base if its the conjugate base of a weak acid?

The force that keeps the nucleons bound inside the nucleus of an atom

Which would increase the rate of dissolving? Check all that apply. A) low temperature B) little to no agitation C) more surface area D) high temperature E) a lot of agitation F) little surface area

Which describes the volume of 1 mol of gas at standard temperature and pressure? ER The volume is greater for a larger mass of gas. The volume is the same for any gas. The volume depends on the size of the container.

When studying historical geology, which type of rock provides the most useful evidence for uncovering what occurred? metamorphic igneous basalt igneous granite sedimentary

Calculate the molar solubility of ca (io3) 2 in each solution below. the ksp of calcium iodate is7.1 * 10-7.

At normal temperature and pressure, air has a density of 0.001184 g/mL. What is the mass of air in a room that is 3.07 m by 3.00 m by 3.77 m? Answer in units of kg.

A gas made up of atoms escapes through a pinhole 0.155 times as fast as h2 gas. write the chemical formula of the gas.