Chemistry Final Review 2

Front

What is the formula for the compound formed by calcium ions and chloride ions?

Back

CaCl₂

Front

What is the specific heat of a 4.0 g sample of iron that absorbed 35.2 J of energy when heated from 0°C to 20°C?

Back

0.44 J/g°C

Front

Why does stirring increase the rate of dissolution?

Back

It brings fresh solvent into contact with the solute.

Front

What is the energy required to remove an electron from an atom called?

Back

Ionization energy.

Front

How many grams of water are produced from 6.00 moles of hydrogen in the reaction 2H₂ + O₂ yields 2H₂O?

Back

108 grams.

Front

What is the definition of ionization energy?

Back

The energy required to remove an electron from an atom.

Front

What is the relationship between temperature and the rate of dissolution?

Back

Higher temperatures generally increase the rate of dissolution.

Front

What is the formula for calculating specific heat?

Back

Specific heat = heat absorbed / (mass × temperature change).

Front

What does the term 'electron affinity' refer to?

Back

The energy change when an electron is added to a neutral atom.

Front

What is electronegativity?

Back

A measure of an atom's ability to attract and hold onto electrons.