Q1 (H.Chem) Midterm Review 1

Front

How do you write 1001 in scientific notation?

Back

1.001 x 10^3

Front

Determine the mass of 2.40 moles of C6H12.

Back

201 g

Front

What type of measurement is used with this instrument?

Back

length

Front

How many neutrons does the isotope of lithium have?

Back

5

Front

What is a homogeneous mixture?

Back

A physical combination of substances that looks the same all the way through.

Front

What is scientific notation?

Back

A way to express numbers as a product of a coefficient and a power of 10.

Front

How do you convert grams to moles?

Back

Divide the mass of the substance by its molar mass.

Front

What is the molar mass of C6H12?

Back

The molar mass is 84.16 g/mol.

Front

What is the difference between mass and weight?

Back

Mass is the amount of matter in an object, while weight is the force exerted by gravity on that mass.

Front

What is an isotope?

Back

Atoms of the same element with different numbers of neutrons.