Thermochemistry Review. The number of degrees between the freezing point of water and the boiling point of water on the Celsius scale is: 1.0 2.100 3.180.

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Presentation transcript:

Thermochemistry Review

The number of degrees between the freezing point of water and the boiling point of water on the Celsius scale is:

The smallest change in temperature is represented by: 1.one Celsius degree 2.one Fahrenheit degree 3.one Kelvin 4.one centigrade degree

If the same amount of heat were applied to four samples, which sample would have its temperature raised the most? 1.c = J/g o C 2.c = J/g o C 3.c = J/g o C 4.c = J/g o C

Which of the following tools would be used in an experiment to calculate heat transfer between two objects? 1.Calorimeter 2.Barometer 3.Thermometer 4.Meter Rule 5.More than one correct answer

List the phases of water in order, from the phase with the slowest molecular movement to the phase with the fastest molecular movement. 1.Gas-Liquid-Solid 2.Liquid-Solid-Gas 3.Solid-Liquid-Gas 4.Gas-Solid-Liquid

The temperature at which water changes to steam is known as the: 1.boiling point. 2.evaporation temperature. 3.sublimation plateau. 4.melting point.

When you put ice in a drink to cool it: 1.coldness is transferred from the ice to the warmer drink. 2.heat is transferred from the warmer drink to the cooler ice. 3.heat from the ice is lost to the warmer liquid around it. 4.the ice cracks and releases cold air molecules that cool off the drink.

The amount of thermal energy or heat stored in an object depends on: 1.the mass of the object. 2.the temperature of the object. 3.the amount of energy that the particular material stores per degree of temperature. 4.All of the above

The quantity of heat required to change the temperature of a substance by 1C is defined as ____. 1.a joule 2.specific heat 3.a kilocalorie 4.heat capacity

What is the name of the phase change with snow forms? 1.Evaporation 2.Freezing 3.Deposition 4.Condensation 5.Boiling 6.Melting

What is the name of the phase change with water forms on the bathroom mirror when you shower? 1.Evaporation 2.Freezing 3.Deposition 4.Condensation 5.Boiling 6.Melting

When thermal energy flows, it raises the temperature of some substances more than others. This property of a substance is called: 1.specific heat. 2.latent heat. 3.dew point. 4.equilibrium.

If you hold a paper cup containing hot chocolate in your hand, thermal energy: 1.does not flow. 2.flows from the air to the hot chocolate. 3.flows from the hot chocolate to your hand. 4.flows from your hand to the hot chocolate.

Which of the following has a melting point greater than room temperature? 1.oxygen 2.water 3.iron 4.bromine

Which of the following about an ice cube floating in a glass of water is correct? 1.The temperature of the ice cube increases. 2.The temperature of the ice cube decreases. 3.The temperature of the ice cube remains constant. 4.The temperature of the ice cube will fluctuate.

The quantity of heat required to change the temperature of 1 g of a substance by 1C is defined as ____. 1.a joule 2.specific heat 3.a kilocalorie 4.heat capacity

Which of the following substances has the highest specific heat? 1.steel 2.water 3.alcohol 4.chloroform

The amount of heat needed to melt solid at a constant temperature is called ____. 1.heat of fusion 2.heat of solidification 3.heat of reaction 4.heat of vaporization

During a phase change, the temperature of a substance ____. 1.increases 2.decreases 3.remains constant 4.may increase or decrease

Which of the following is equal to 273 Kelvin? Celsius 2.0 Celsius Celsius Celsius

To calculate the amount of heat absorbed as a substance melts, which of the following information is NOT needed? 1.the mass of the substance 2.the specific heat of the substance 3.the change in temperature 4.the density of the sample

At constant pressure, enthalpy will be the same as 1.Heat 2.Temperature 3.Calorimetry 4.Density 5.Volume

Which of the following could serve as a calorimeter? 1.Thermometer 2.Balance 3.Styrofoam cup 4.Beaker 5.Graduated cylinder

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