Chemistry 1 Final Exam Fall 24

Front

Long hair should be ____________ in the laboratory.

Back

tied back

Front

The proper technique for smelling chemicals is ______________.

Back

wafting

Front

What is the name of Ca3N2?

Back

calcium nitride

Front

What type of chemical reaction is this one? Ca + MgCl2 --> CaCl2 + Mg

Back

Single Replacement

Front

How many neutrons in C-14?

Back

8

Front

What is the atomic number of Carbon?

Back

6

Front

Define a chemical reaction.

Back

A process that leads to the transformation of one set of chemical substances to another.

Front

What is the law of conservation of mass?

Back

Mass is neither created nor destroyed in a chemical reaction.

Front

What is a catalyst?

Back

A substance that increases the rate of a chemical reaction without being consumed.

Front

What is the pH scale?

Back

A scale used to measure the acidity or basicity of a solution.