Exam 1: Introduction: Matter, energy, and Measurement

If matter is uniform throughout and cannot be separated into other substances by physical processes,but can be decomposed into other substances by chemical processes,it is called a(n)________.

The law of constant composition says ________.

A cube of an unknown metal measures 0.250 cm on one side.The mass of the cube is 0.095 g.Which of the following is most likely the unknown metal?

Which states of matter are significantly compressible?

An object measuring 77 milliliters will have a volume of ________ liters.

The distance from the Earth to the Moon is approximately 240,000 miles.If a rocket travels at a speed of 7.50 km/sec,it will take ________ days to travel between the Earth and Moon.

The number with the most significant zeros is ________.

The SI unit for mass is ________.

"Absolute zero" refers to ________.

The law of constant composition applies to ________.

The initial or tentative explanation of an observation is called a(n)________.

1 milligram = ________ micrograms

Temperature is a physical property that determines the direction of heat flow.

A certain liquid has a density of 2.67 g/cm³.1340 g of this liquid would occupy a volume of ________ L.

The correct result (indicating the proper number of significant figures)of the following addition is ________. 12 1.2 0.12 + 0.012

A baseball is thrown at a velocity of 98.4 miles per hour.What is the speed in m/s?

1 picometer = ________ centimeters

Which of the following mass measurements is the smallest?

Which of the following mass measurements is the largest?

3.2 cm³ = 0.0032 L