List two physical properties and two chemical properties.

Two samples of calcium fluoride are decomposed into their constituent elements. the first sample produced 0.154 g of calcium and 0.146 g of fluorine. if the second sample produced 294 mg of fluorine, how many g of calcium were formed? 0.309 g 3.

What is the max amount of Cu that would be produced by reacting 20g of Al with excess CuSO4

I you add 78g KBr to a final volume of 500mL, what would the final concentration be?

What is the difference between gas and vapor

The state of matter that is comprised entirely of ions and electrons is

Determine the number of moles of Krypton contained in a 3.25 liter gas tank at 5.80 atm and 25.5 °C.

In the reaction 2co (g) + o2 (g) â 2co2 (g), what is the ratio of moles of oxygen used to moles of co2 produced? select one:

A log's mass is 5 kg. After burning, the mass of the ash is 1 kg. Explain what may have happened to the other 4 kg of mass.

Are the people on this subway moving? The best answer to this question would be Yes or No

How many molecules are in 237g (about a cup of water)