How to calculate the amount of Moles of calcium carbonate

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Late nite lab pH indicator

If 4.35 KJ of heat is added to 15.5 g of water at 5.00 Celsius what will be the result in state and temp of the water

Carbon disulfide is prepared by heating sulfur and charcoal. The chemical equation is S 2 (g) + C (s) - ⇀ ↽ - CS 2 (g) K c = 9.40 at 900 K How many grams of CS 2 (g) can be prepared by heating 14.2 mol S 2 (g) with excess carbon in a 6.

5.00 L of air at 750 mmHg pressure was compressed into a 3.00 L steel cylinder. What is the final pressure? (round to significant figures)

Which of the following is NOT true about a nuclear power plant? They produce fewer carbon emissions than a coal-fired power plant. They are a relatively minor contributor to the USA's energy demands.

How much energy, in joules, does 150.0 g of water with an initial temperature of 25 C need to absorb be raised to a final temperature of 75 C

What mass of oxygen is contained in a 5.8 g sample of NaHCO3?

Which statement correctly compares the number of chromosomes in a body cell to that in a sex cell of humans? A. A body cell has 21 chromosomes; a sex cell has 23 B. A body cell has 21 chromosomes; a sex cell has two C.

Halocarbons contain carbon, hydrogen, and atoms from which set of elements? 1. lithium, sodium, and potassium 2. nitrogen, oxygen, phosphorus, and sulfur 3. nitrogen, oxygen, and fluorine 4. fluorine, chlorine, bromine, and iodine

List at least 3 factors that can influence a body's temperature after death.