Which has more surface area, a rock the size of your hand or a handful of small rocks?

Iodine is prepared both in the laboratory and commercially by adding cl2 (g) to an aqueous solution containing sodium iodide: how many grams of sodium iodide, nai, must be used to produce 48.7 g of iodine, i2?

Define organic chemistry and inorganic chemistry.

1. An airplane flew from San Francisco to Washington, D. C. Approximately halfway through the flight, the plane had traveled 2,000 km in 2.5 hours. What was the speed during this period?

If you put an egg on a sidewalk on a hot day in July and try to cook it you are using? passive solar energy geothermal energy active solar energy biomass

Ultraviolet light may cause skin cancer. what is the independent variable and what is the dependent variable?

What is the molarity of a solution that contains 612 grams of CaCl2 in 3.04 liters of solution? 1.81 M 201 M 5.52 M

What is the empirical formula for naphthalene

Explain why a piece of aluminum or magnesium can be used to remove tarnish, which is mostly silver sulfide, on silverware.

Why is it important for an engineer who is designing a new home-cooling/heating system to have knowledge about the transfer of heat?

Ammonia and oxygen react to form nitrogen monoxide and water, like this: 4NH3 (g) + 5O2 (g) → 4NO (g) + 6H2O (g) Also, a chemist finds that at a certain temperature the equilibrium mixture of ammonia, oxygen, nitrogen monoxide, and water has the