Mid Term #1 - Unit 1: Matter & Measurements

Front

What is the conversion factor from mL to L?

Back

1 L = 1000 mL, so to convert mL to L, divide by 1000.

Front

Convert 756 mL to L.

Back

0.756 L

Front

What is scientific notation?

Back

A way of expressing numbers that are too large or too small in a compact form, using powers of ten.

Front

Express 0.00589 in scientific notation.

Back

5.89 x 10⁻³

Front

What is the conversion factor from g to mg?

Back

1 g = 1000 mg, so to convert g to mg, multiply by 1000.

Front

Convert 169 g to mg.

Back

169,000 mg

Front

What are significant figures?

Back

Digits in a number that contribute to its precision, including all non-zero digits, zeros between significant digits, and trailing zeros in the decimal portion.

Front

Calculate 42.05 mg - 3.6 mg and report with appropriate significant digits.

Back

38.5 mg

Front

How do you determine the number of significant figures in a calculation?

Back

The result should have the same number of significant figures as the measurement with the least number of significant figures.

Front

Calculate 5.07 g x 0.0045 g and report with appropriate significant digits.

Back

0.023 g