What percent of earths surface is made up of oxygen

Based upon the ion charge of the following polyatomic ions, predict the formula for the following compounds. sulfate = SO4 - 2 phosphate = PO4 - 3 hydroxide = OH - sodium sulfate NaSo4 Na2SO4 Na (SO4) 2 NaSO8

How many electron pairs exist in single bonds double bonds and triple bonds?

The word carbohydrate is derived from two words - carbon hydrate (water joined to another material). explain why this term in part describes this chemical group

Valency of Chlorine is 1. Why?

How many kg are in 50 lb luggage bag

How does the quantity of atp produced as a result of activity by the electron transport chain compare to the quantity produced as a result of glycolysis?

Molybdenum has a molar mass of 95.94g/mol. How many molecules of molybdenum are in 150.0 g of molybdenum

Describe a way that people might be able to solve each envioronmental problem listed below. coal mining can harm habitats and cause pollution.

A sample of methane gas occupies 4.50 gallons at a temperature of 80.0 F. If the pressure is held constant, what will be the volume of the gas at 100. degrees C?

Jack wants to know if it takes longer for warm water to freeze into ice cubes than cold water, so he performed the following experiment. Jack placed 50 mL of water in the refrigerator and allowed it to cool to a temperature of 4°C.