Which of the following sets of empirical formula, molar mass, and molecular formula is correct?

CH, 78 g, C13H13

C3H80, 120 9, C3H802

CH4N, 90 g, C3H12N3

Which of the following would be considered a solution? A: salt in a sugar bowl B: sugar added to water C: oil added to water

What is another name for the metric system? A) The Metric System B) The SI System C) The English System D) US customary system

What is charge of an nucleus of an atom?

A 3.5-g sample of colorado oil shale is burned in a bomb calorimeter, which causes the temperature of the calorimeter to increase by 5.0°c. the calorimeter contains 1.00 kg of water (heat capacity of h2o = 4.

When ionic bonds are formed, metallic atoms tend to

What is the volume of 0.05 mol of neon gas at STP?

Which is NOT a property of gold? A. rare B. tarnishes C. malleable D. corrosion resistant

The element rubidium has two naturally occurring isotopes. The atomic mass of 85Rb (72.17 percent abundant) is 84.911794 amu. Determine the atomic mass of 87Rb (27.83 percent abundant). The average atomic mass of Rb is 85.4678 amu.

Describe what you can do to slow down, or stop the continuous negative human treatment of our aquatic biomes.

If the hydrogen ion concentration is 10-7M, what is the pH of the solution? Show all work.