A standard backpack is approximately 30cm x 30cm x 34.1 cm. Suppose you find a hoard of pure gold (density = 19.3 g/cm3) while treasure hunting in the wilderness. How much mass would your backpack hold if you filled it with the gold?

Two atoms interact with each other as shown by the equation. complete the equation by filling in the missing parts. 1 2 3 4 5 h he li

Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.

In an experiment, 45g of silicon tetrachloride are treated with 45ml of water. what is the theoretical yield in grams of hcl