How many chloride ions are needed to cancel the 2 + charge of magnesium in magnesium chloride?

Describe how crystals of calcium chloride can be made from calcium carbonate and dilute hydrochloric acid.

Which option describes energy being released as heat? A - a Child shivering in the cold B - Lions Sleeping after a big meal C - A surfer on a Surfboard D - A Baby Bird eating a Worm

Which of the following four senses experience transduction? Select all that apply. sight smell hearing taste

Glass has a hardness that is in the middle of the hardness scale. What is the hardness of Glass? hardness 9 hardness 8 hardness 5 hardness 10

What are the answers to the nuclear chemistry packet

A substance contains 36.1 percent calcium and 63.9 percent chlorine by weight. What is the empirical formula of the given compound? A. CaCl B. Ca0.9Cl1.8 C. CaCl2 D. Ca2Cl4

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