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

Hydrogen is a possible future fuel. However, elemental hydrogen is rare, so it must be obtained from a hydrogen - containing compound such as water. If hydrogen were obtained from water, how much hydrogen, in grams, could be obtained from 1.

What is the product of the reaction of (S) - 2-bromobutane with sodium methoxide in acetone?

How many problems are in an element with an atomic number of 8 and a mass number of 18?

The most common compound on earth is:

What is the difference between a molecule and a formula unit

Describe three skills people use to conduct scientific investigations

The surface temperature on Venus may approach 739 K. What is this temperature in degrees Celsius?

Complete the acid-base reaction between butyric acid HC4H7O2 and potassium hydroxide KOH. Do not include phase designations for any of the reactants or products. Be sure to include the charge for any charged species.

What overall effect does adding a catalyst have on a chemical reaction?

A hydrogen atom contains a single electron that moves in a circular orbit about a single proton. assume the proton is stationary, and the electron has a speed of 7.8 105 m/s.