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Who established the relationship between the volume of a gas and the pressure when the temperature is constant?
Suppose that a mixture of 8 g of sugar, 5.20 g of salt, and 100.01 g of flour is prepared. What is the total mass of the mixture expressed in exponential notation and with the correct number of significant figures?
In a laboratory experiment, crystal are heated in a dry glass test tube using a Bunsen burner. During heating, a clear liquid is observed inside the mouth of the test tube. Which of the following is the most reasonable conclusion drawn from this observation?
A sample of a pure solid substance is heated at a constant rate and its temperature recorded as a function of time. A graph of the data is shown above. At about what temperature is the heat added being used to melt the substance?
Use of a small quantity of which of the following gases in a classroom requires special consideration because the gas is poisonous?
Which of the following properties of a substance depends on the amount of the sample?
Refrigerators use the process of __________ to remove heat from the interiors.
According to the kinetic theory, all matter is composed of __________.
Supplies appropriate for the measurement in a school laboratory of the density of a small rock sample include all of the following EXCEPT
The purpose of generators in a power plant is to transform energy from
The radius of the path of an object in uniform circular motion is doubled. The centripetal force needed if its speed remains the same is ________.
A rifle recoils from firing a bullet. The speed of the recoil is slow because ___________.
A ball is launched at an angle of 60 degrees from the horizontal. What do you call the horizontal distance traveled by the ball?
__________ is the thermal energy that flows from a material with a higher temperature to one with a lower temperature.
What causes a balloon to remain inflated?