Are all molecules compounds? Explain.

Consider the following reaction where Kc = 1.29*10-2 at 600 K: COCl2 (g) CO (g) + Cl2 (g) A reaction mixture was found to contain 0.104 moles of COCl2 (g), 4.66*10-2 moles of CO (g), and 3.76*10-2 moles of Cl2 (g), in a 1.00 liter container.

What do you call the family of elements that takes up the column on the far right of the periodic table? ? noble gasses ? alkali metals ? halogens

9.11 moles of vanadium to atoms

If you have 120. mL of a 0.100 M TES buffer at pH 7.55 and you add 3.00 mL of 1.00 M HCl, what will be the new pH? (The pKa of TES is 7.55.)

Concentrated nitric acid used in laboratory work is 68% nitric acid by mass in aqueous solution. What should be the molarity of such a sample of the acid if the density of the solution is 1.504 g/ml?

Performing Percent Composition calculations Carbon dioxide (CO2) is a gaseous compound. Calculate the percent composition of this compound, Answer using three significant figures.

A balloon contains 0.15 moles of co2 gas. how many molecules of co2 are in the balloon?

Arrange the steps in order to describe what happens to a gas when it cools. The A particles of gas move slower. B The gas changes to a liquid. C The gas loses thermal energy. D The space between the gas particles decreases.

The rock record indicates that photosynthesis began on Earth about 3.5 million years ago. a. True b. False

Charcoal appears black in color because it A) emits black-colored light. B) has a black-colored pigment. C) absorbs all wavelengths of light that fall on it. D) reflects all wavelengths of light that fall on it.