Exam 1: Matter, measurement, and Problem Solving

A fishing boat accidentally spills 3.0 barrels of diesel oil into the ocean.Each barrel contains 42 gallons.If the oil film on the ocean is 2.5 × 10² nm thick,how many square meters will the oil slick cover?

Which of the following statements is TRUE?

Identify the boiling point of water.

Define thermal energy.

Identify the common substance that has the highest density.

A physical change

Osteoporosis is a condition in which the bone density becomes low.Healthy bones in young adults have a bone density of 1.0 g/cm³.Identify the incorrect statement.

What symbol is used to represent the factor 10^-2?

Define matter.

If the melting point of molybdenum metal is 2623°C,what is its melting point in Kelvin?

Which of the following numbers has the greatest number of significant figures?

How many significant figures are in the measurement,263.900 m?

Which multiplier does the abbreviation mega represent?

A student weighed 30.00 μg of sulfur in the lab.This is the same mass as

A scientific theory

The recommended adult dose of Elixophyllin ,a drug used to treat asthma,is 6.00 mg/kg of body mass.Calculate the dose in milligrams for a 115-lb person.1 lb = 453.59 g.

If the temperature is 228°F,what is the temperature in degrees Celsius?

The factor 0.01 corresponds to which prefix?

Describe the difference between an intensive and extensive property using examples.

How many significant figures are in the measurement,31.600 m?