Checkpoint 8 Review- CHEM

Which statement below is correct about fusion and fission?

• both give off radiation

• fusion gives off radiation, fission does not

• neither give off radiation

• fission gives off radiation, fusion does not

Which type of nuclear radiation is being emitted here?

• alpha
• beta
• gamma
• none

Which of the following processes is not a practical process to produce electric power due to the fact that it requires extremely high temperatures to operate?

• Fusion

• alpha decay

• beta decay

• Proton decay

Which of the particles below is the one with the least amount of mass?

• Beta Particles

• Protons

• neutrons

• Alpha Particles

Which TWO are true statements about alpha particles?

• They are negatively charged and the most penetrating particle.

• They are positively charged and the most penetrating particle.

• They are positively charged and the least penetrating particle.

• They are negatively charged and the least penetrating particle

In the diagram shown, the forward direction shows what kind of energy transformation?

• Exothermic, because it releases heat

• Exothermic, because it absorbs heat

• Endothermic, because it absorbs heat

• Endothermic, because it releases heat

When a compound is added to some distilled water in a beaker, the temperature of the water drops rapidly. What two statements from the selection below are true?

• the reaction is exothermic and the sign of the heat energy is positive

• the reaction is exothermic and the sign of the heat energy is negative

• the reaction is endothermic and the sign of the heat energy is positive

• the reaction is endothermic and the sign of the heat energy is negative

Which law explains why we can measure the heat energy being transferred from one substance to another?

• Charle's Law

• Law of conservation Energy

• Boyle's Law

• Law of multiple proportions

Which of the following choices is NOT a method of heat transfer that occurs in calorimetry?

• Refraction

• Radiation

• Convection

• Conduction

Temperature is not a measure of heat energy. Instead, it is a measure of the average __________ energy of all the particles in the sample.

• Potential

• Nuclear

• Kinetic

• Potential