Exam 1: Matter, Energy, and Measurement

Tetracycline is a short acting antibiotic.It discolors developing teeth and so is not normally prescribed for children under 8 or pregnant women.An 11-year-old, 84-lb child is prescribed 35 mg/kg tetracycline per day for 10 days.What is the daily dose of tetracycline that should be administered to the child?

There are five different objects with the diameters shown below.Which of these objects is on the atomic scale and cannot be seen with the naked eye?

A patient's fluid intake is monitored over a 6-hour period.If the patient drinks 232.0 mL, 300.mL, and 41 mL of water, what is the total volume of the fluid intake?

Tylenol is ordered for a child weighing 42 pounds at a dosage of 15 mg per kilogram of body weight.You need to determine how many milligrams of Tylenol should be administered to this child in a single dose.In order to answer this question, it is also necessary to use a conversion factor that must be looked up in a table (or have memorized).Which conversion factor is this? ​ I . II. III. IV.

Chemistry explains the behavior of matter on the _____ scale(s)so that we can better understand the properties of matter that we observe on the _____ scale(s).

Oil floats on water because oil is ______ than water.

Which of the following equations is set up to convert 312 mg to kilograms?

What is the density of a substance with a mass of 10.6 g and a volume of 12.0 mL?

Below are five descriptions of the kinetic and potential energy of objects.Which is a description of kinetic energy? ​ I.Water moving a waterwheel II.A skateboarder at the top of a halfpipe III.The blades of a fan turning IV.Hot water molecules moving rapidly in a cup of tea V.A parachutist ready to jump out of a plane

Tylenol is ordered for a child weighing 42 pounds at a dosage of 15 mg per kilogram of body weight.You need to determine how many milligrams of Tylenol should be administered to this child in a single dose.Which of the following units will be in the answer to this question (i.e., is asked for)?

Convert 312 mg to kilograms.

The illustration below shows two metal blocks, one hot and one cold, placed together so their sides are touching.What do you expect to happen to the temperature of the blocks as time passes?

A child's height is 36.2 inches.What is his height in centimeters?

Tylenol is ordered for a child weighing 42 pounds at a dosage of 15 mg per kilogram of body weight.You need to determine how many milligrams of Tylenol should be administered to this child in a single dose.In order to answer this question, a conversion is used that is written within the body of the question.Which factor is this?

Which of the following is MOST likely to weigh 90 kg?

Water has a density of 1.0 g/mL.What is the mass of 25 mL of water?

Which of the following statements about significant digits are TRUE? I.Significant digits are only the digits that are known exactly. II)Significant digits are all of the digits that are known exactly plus one uncertain digit. III)Significant digits are a way to communicate the precision of a measurement. IV)The degree of uncertainty of a measurement is expressed by significant digits.

This state of matter has the highest kinetic energy.

The speed of molecules and atoms in this state of matter is the slowest.

An aluminum ball is dropped into the graduated cylinder containing 90.0 mL of water.If the ball has a volume of 6.8 mL, what is the new volume reading in the graduated cylinder?