When solutions of sodium carbonate and calcium chloride are combined, calcium carbonate precipitate is produced, along with aqueous sodium chloride. Write a balanced equation for the reaction, including states of matter.

Which ocean zone has the most sunlight?

What is 10798 mg converted to kg in the form of scientific notation

Write a short report describing the Montreal Protocol and more recent environmental measures to reduce CFCs.

What types of energy is there?

Judy wanted to figure out the mass of her backpack. She put the pack on a balance and added 3, 6, and 4 kg weights so that the balance was even. What is the mass of her backpack? A) 5kg B) 9kg C) 10kg D) 13kg

How much energy is required to heat 250 grams of water from 20.0°C to 80.0°C? The heat capacity of water is 4.186 J/g°C Q=mc∆T

The ph of a solution is measured to be ph=3. what is true of this solution?

The mole fraction of water in a solution of sugar in water is equal to 0.942. What is the mole fraction of the sugar?

How many protons are in chromium-58?

Which statement about the effusion rates of nitrogen and oxygen is true? Oxygen effuses 1.07 times faster than nitrogen. Nitrogen effuses 1.07 times faster than oxygen. Oxygen effuses 0.9 times faster than nitrogen. Nitrogen effuses 0.