Three balloons filled with three different gaseous compounds each have a volume of 22.4 l at stp. would these balloons have the same mass or contain the same number of molecules?

The nucleus of an atom contains which subatomic particles? A) neutrons only B) protons and neutrons C) neutrons and electrons D) protons and electrons

What unit is used to measure weighted average atomic mass? a. amu c. angstrom b. gram d. nanogram

A chemist starts with 1.75 g of dactylic acid and excess methanol and calculates the maximum possible yield to be 1.93 g After the reaction run the chemist finds that the amount of methyl salicylate produced and isolated is only 1.

Which diagram is the best model for a solid? Substance C Substance A Substance B

An atoms bonds with another atom which is best classification for this reaction? Endothermic Chemical Nuclear Redox

Which one of the following Acids is most likely to hurt you? Acid A: 1.0 M; Acid B: 0.0001M

Which statement accurately describes the atoms of a specific element? explain your answer in complete sentences. A. A Neon, Ne, atom contains 10 electrons outside the nucleus and 11 neutrons inside the nucleus. OR B.

What is the volume of 2.00 moles of chlorine (cl2) gas at stp, to the nearest tenth of a liter?

A reaction of 12.640 g of copper oxide with 0.316 g hydrogen produces 2.844 g of water and Xg of copper. X=_9

If i burn steel wool inside a closed jar or bottle will the oxygen be completly gone