Balance CH2O + H2 > CH3OH

How many hydrogen atoms are in a cycloalkene with one double bond and 4 carbon atoms?

How many neutrons are found in one atom of 16n? express your answer numerically?

A pain-relieving pill has a mass of 0.005 g. Express the pill's mass in grams using scientific notation or in milligrams.

Identify all of the following that are chemical changes: a. leaves turning color in the fall b. dew forms on a blade of grass c. ethanol evaporates d. sugar dissolves in water e. dry ice sublimes f. charcoal burning

What is the molality of a solution that contains 75.2 grams of AgClO4 in 885 grams of benzene? A.) 0.41 m B.) 8.20 m C.) 4.10 m D.) 0.83 m

A gas occupies a 1.5 L container at 25 degrees Celsius and 2.0 atm. If the gas is transferred to a 3.0 L container at the same temperature, what will be its new pressure? a) 3.0 atm b) 2.0 atm c) 1.0 atm d) 4.0 atm

The maximum amount of n2h4 (hydrazine) that can be prepared from 14 grams of nitrogen and 28 grams of hydrogen by the reaction n2 + 2 h2 = n2h4 is?

The molecules of a substance are moving rapidly in a container. The molecules do not interact with each other. If the container is opened, the molecules will escape from the container.

Why is fluorine a gas?

What is the empirical formula for a compound if a sample contains 3.72g of p and 21.28g of cl?-pcl5-pcl3-p2cl10-p2cl5