How many grams of NaBr are needed to produce 187 grams of CaBr2

In each following pairs, state which one is more likely to give up electrons? a) wood or human hair b) plastic wrap or steel c) cotton or silk

Is there DNA in prokaryotic cells?

Convert 0.044km to meters

In the ideal gas equation, 'n' represents the:

Which of the following gases will have the highest velocity at a given temperature? Ne O2 He Cl2

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.