How many oxygen atoms are there in the following compound: 2HNO3

3

5

6

12

One of the negative effects of using the market to control air pollution is that it allows companies to buy their way out of their environmental responsibility. True False

Why do the properties of elements change in a regular way across a period?

Lead 2 nitrate reacts with sodium sulfate to form lead 2 sulfate and sodium nitrate. Balance the equation.

What is the most abundant gas in our atmosphere? oxygen hydrogen nitrogen water

Why is water classified as a renewable resource? A). Water is constantly being recycled through earth's system. B.) Groundwater that is rarely used makes up 80% of the earth's water. C).

Write the net ionic reation for the neutralization of hcl by naoh. calculate hrxn for reaction from the enthepies of formation of the reactiom and product

Can you zooley answers.

Select all that apply. Based on the properties that change in a chemical reaction, which are examples of chemical changes? baking a cake burning firewood leaf color from summer to fall shredding paper

Chemistry is the study of matter true or false

Which of the following reactions are redox reactions? a. Al (s) + 3Ag + (aq) →Al3 + (aq) + 3Ag (s) b. SO3 (g) + H2O (l) →H2SO4 (aq) c. Ba (s) + Cl2 (g) →BaCl2 (s) d. Mg (s) + Br2 (l) →MgBr2 (s)