Why has Earth's climate changed so rapidly in recent years? (a) The sun has gotten much hotter.

(b) People are eating too many plants.

(c) People are burning too many fossil fuels.

(D) The Earth is rotating too slowly to cool off effectively

Is sodium laureth sulfate ionic or covalent?

1) __NaBrag) + __AgOH (aq) → __AgBris) + __NaOH 24) Type of reaction:

Calculate the energy in joules and calories required to heat 25.0 g of water from 12.5C to 25.7C

A reaction vessel contains nh3, n2, and h2 at equilibrium at a certain temperature. the equilibrium concentrations are [n2] = 0.31 m, [h2] = 1.51 m, and [nh3] = 0.75 m. calculate the equilibrium constant, kc, if the reaction is represented as

Which is the strongest acid

A substance that speeds up the rate of a chemical reaction is called a. a catalyst. b. a lipid. c. a molecule. d. an element.

How many moles of Mgs203 are in 245g of the compound

A student was trying to obtain lithium by electrolysis of aqueous lithium chloride. Was he successful?

A Gouy balance is used to determine the magnetic susceptibility of a substance. A strong electromagnet is placed next to the sample, which is on a balance.

Is the bonds that cause gaseous Cl2 to become liquid when cooled intramolecular or intermolecular