What is the ph of an aqueous solution with [h3o+] = 4*10-13 m?

What makes a compound a strong acid or base

A 36.165 mg36.165 mg sample of a chemical known to contain only carbon, hydrogen, sulfur, and oxygen is put into a combustion analysis apparatus, yielding 64.425 mg64.425 mg of carbon dioxide and 26.373 mg26.373 mg of water.

Which elements make up the f-block in the periodic table

Which of the following is correct abbreviated si unit describing the amount of a substance A mol B kg C g D m

If a chemical reaction consumes reactants at a steady rate of 7.64 x 10^19 molecules per second, how long will it take for the reaction to consume 6.02 x 1017 molecules of reactant?

Sulfur has 16 electrons. When it combines with magnesium. It acquires A - 2 charge. How many electrons does it have now?

When 17.0 grams of an unknown metal is cooled from 35.0°c to 10.0°c it releases 862 joules of energy. what is the specific heat capacity of the unknown metal?

Calculate the resulting ph obtained by mixing 16.5 g hcl and 22.6 g nacl in water to create 482 l solution.

What is the ph of an aqueous solution with [h3o+] = 4*10-13 m?

What are called protons? give examples?