Given an element's atomic number and mass number, how can you tell the number of protons and neutrons in its nucleus?

Explain how a balanced chemical equation is related to the law of conservation of mass.

8 Which quantity is equal to one mole of Au? (1) the atomic mass in grams (2) the atomic number in grams (3) the mass of neutrons in grams (4) the number of neutrons in grams

What is the molarity of 245.0g of H2SO4 dissolved in 1.000L of solution?

If matter is neither created nor destroyed, why can't we just go directly from grams of reactant to grams of product?

1. What is the cause of the Coriolis effect? A: Changes in wind direction B: Earth's Rotation C: Relative Humidity D: Koppen Zone 2.

A sample of bismuth weighing 0.687 g was converted to bismuth chloride by reacting it first with HNO3, and then with HCI, followed by careful evaporation to dryness. The mass of the bismuth chloride obtained was 1.032 g.

When 1 g of sodium chloride (NaCl) is placed in 100 g of water, a solution results. Once the solution is prepared, water is now considered what part of the solution?

1. How is pressure affected as depth increases? 2. As the sun heats the surface of the oceans, two layers of water result. What separates the layers? 3. How is temperature affected when? (a) the depth increases (b) the latitude increases 4.

Are nails in a jar with water a chemical change

What is the molarity of a solution composed of 4.73 g of potassium iodide (KI) dissolved in enough water to make 0.169 L of solution? Answer in units of M.