What is a substance?

A a uniform mixture that can't be separated

B a mixture that can be separated

Ca single component that can't be separated

D a single component that can be separated

What is the relationship between Ka and Kb with Kw? The sum of Ka and Kb equals the auto-dissociation constant for water. The product of K a and K b equals the auto-dissociation constant for water.

In the city a street peddler offers you a diamond ring for 30 bucks how can you test the rock

For every power of 10 in concentration of hydronium ions, how much will the pH change by?

Problem PageQuestion Suppose an iron atom in the oxidation state formed a complex with three hydroxide anions and three water molecules. Write the chemical formula of this complex.

Which experimental feature of the MALDI-MS technique allows the separation of ions formed after the adduction of tissue molecules

My sister needs this answered! Donald is creating an experiment to determine if fertilizer affects plant color. He makes this statement: "If each plant receives a different amount of fertilizer, then the plant's color intensity will change.

What would happen to life if earth were in a different location within the solar system

Substance that undergoes a change in a chemical reaction is a. a product c. a reactant. b. a chemical. d. an enzyme.

List the number of protons, neutrons, and electrons in Iodine-127. (atomic number is 53)

At approximately what temperature will 40g of argon gas at 2 atm occupy a volume of 22.4L a) 600K b) 550K c) 270K d) 140K