Why is air a renewable resource

Why would you use more than one indicator to determine the ph of a solution?

Classify the given types of matter as either ordinary (baryonic matter that contains protons and neutrons or as exotic (nonbaryonic matter that consists of subatomic particles different from those that build atoms.

Keeping in mind the rules for significant dig- its, what is the product of 0.6906 m and 4.03 m?

How much potassium nitrate has to dissolve in water to absorb 105 kj of heat? there are 4.184 kj/kcal. also note the answer is to be reported in kg?

Determine the solubility of co2 in soda water at 25°c if the pressure of co2 is 5.6 atm. the henry's law constant for carbon dioxide in water at this temperature is 3.4 * 10-2 m/atm.

A sample of a compound contains 9.11 g Ni and 5.89 g F. What is the empirical formula of this compound? A.) NiF B.) Ni3F2 C.) NiF2

Combining aqueous solutions of bai2 and na2so4 affords a precipitate of baso4. Which ions are spectator ions in the reaction?

Which kind of wave increases in height due to strong winds?

Solid lead IV oxide decomposes into solid lead and oxygen gas.

Ab2 has a molar solubility of 3.72*10-4 m. what is the value of the solubility product constant for ab2? express your answer numerically.