A compound differs from a mixture in that a compound always has a?

1. homogeneous composition

2. maximum of two components

3. minimum of three components

4. heterogeneous composition

Which two particles re most similar in mass?

A sample of methane gas occupies 4.50 gallons at a temperature of 80.0 F. If the pressure is held constant, what will be the volume of the gas at 100. degrees C?

Which of the compounds c4h10, srcl2, cr (no3) 3, of2 are expected to exist as molecules?

What happens to the molar volume when the pressure increases

Why is the frequency of the C=O stretch in the hydrogenation product higher than in ethyl cinnamate?

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