Units, Conversions, Significant Figures and the Scientific Method

These flashcards cover essential topics in Units, Conversions, Significant Figures, and the Scientific Method, providing a concise set of questions and answers for exam preparation.

What is the unit that equals 10^-9 grams?

Nanogram

What is the name of the unit that equals 10^-3 meters?

Millimeter

How many microliters are in 1 L?

1 x 10^6 µL

If the temperature today is 31°C, what is it in °F?

88°F

If the temperature today is 11.3°F, what is it in °C?

-11.5°C

What is the density of mercury if 1.00 x 10^2 g occupies 7.36 cm³?

13.6 g/cm³

What is the volume occupied by 65.0 g of methanol if its density is 0.791 g/mL?

82.2 mL

What is the mass in grams of a cube of gold with a density of 19.32 g/cm³ and a length of 2.00 cm?

155 g

How many significant figures are there in 4.003 g?

4

How many significant figures are there in 6.023 x 10^23 atoms?

4

How many significant figures are there in 5000 m?

1

What is the volume of a box with dimensions 15.5 cm, 27.3 cm, and 5.4 cm?

2.3 x 10^3 cm³

If an object has a mass of 115 lb, what is its mass in grams?

5.22 × 10^4 g

What is the average speed of a nitrogen molecule in m/s converted to miles per hour?

1.15 × 10³ mph

What is the volume of a cube of 6.34 in³ converted to m³?

1.04 x 10^-4 m³

What is the edge length of a metal cube with a density of 13.6 g/cm³ and a mass of 1.45 kg?

4.74 cm