What does quantities data mean?

If a couple has 9 children that are all boys. What is the probability that the 10th child will be a boy or a girl?

If you find an element in nature in its pure elemental state, what can you infer about the element's chemical reactivity? How can you tell whether that element is a metal or a nonmetal?

To better understand the greenhouse effect, scientists can study the atmosphere of which inner planet? a. Mars b. Earth c. Venus d. Mercury

If two gases are present in a container, the total pressure in the container is equal toa. the sum of the pressures that are exerted by each of the two gases. b. twice the sum of the pressures that are exerted by the individual gases. c.

Combustion of gasoline in automobiles produces poisonous gases. Catalytic converters that contain solid platinum, palladium, and rhodium change these poisonous gases into harmless gases.

If you wanted to study the science of describing, naming, and classifying organisms, what would you study?

The specific heat of silver is 0.234 j / (g·c). calculate the amount of energy that is needed to raise the temperature of 175 g of silver from 22.5°c to 40.0°c.

Gypsum is hydrated calcium sulfate. a 4.89 g sample of this hydrate was heated. after the water was removed, 3.87 g anhydrous calcium sulfate remained. determine the formula of this hydrate and name the compound.

A chemical reaction produces CO2 (g). If 44 g is produced at 1.0 atm and 25°C, what volume will the gas occupy? (Assume that CO2 behaves as an ideal gas under these conditions.

What is the smallest carbohydrate called?