What does the pH scale measure?

A. The strength of a base

B. How much of a compound was put in

C. The amount of H + ions in solution

D. The strength of an acid

The bond that forms between two nonmetal elements will be metallic covalent ionic not enough information

What coefficient should be written in front of the reactant Oxygen gas (O2) in order for this equation below to be balanced? C2H4 + ___ O2 - -> 2CO2 + 2H2O

The process for the manufacture of ammonia from nitrogen and hydrogen is known as the haber process. how many grams of ammonia are produced from 17.4 grams of hydrogen

The state of system is changed isobarically until itjustbecomes saturated. What is thetemperature of the system?

Explain hydrogen sulphide as a compound of sulphur.

Is a sample of liquid nitrogen more dense than a sample of nitrogen gas

You have a balloon containing 1 L of air at STP in a vacuum chamber. What will the volume of the balloon be when you reduce the pressure by half and increase the temperature to 373 K?

Which method will correctly determine whether the forces on an object are balanced or unbalanced? A. Multiply the forces in the horizontal direction by the forces in the vertical direction. B.

Carbon is found in all known forms of life. Which statement best describes why carbon is uniquely suited to forming macromolecules such as those found in living organisms? A. Carbon forms large compounds that are not chemically reactive. B.

Name a type of asteroid and give a description.