MP4 Final Exam Review Extra Credit

Which of the following best describes this reaction?

• Nuclear fusion is occurring because many smaller nuclei are being fused

• Nuclear ¦ssion is occurring because large amounts of energy are being absorbed.

• Nuclear fusion is occurring because many energetic neutrons are being emitted

• Nuclear ¦ssion is occurring because a nucleus is being split into smaller nuclei.

Tags

NGSS.HS-PS1-8

When there is a nuclear explosion, a concrete wall is needed to provide protection. Which type of radiation needs the thick concrete barrier to stop it?

• alpha radiation

• beta radiation

• gamma radiation

• neutron radiation

As the average kinetic energy of the particles in a material increases, the material —

• increases in temperature

• decreases in temperature

• increases in speci¦c heat

• decreases in speci¦c heat

After Jimmy placed raw potato slices and hydrogen peroxide in a plastic bag, he concluded that an exothermic reaction had taken place. Which of the following supports Jimmy’s conclusion?

• The plastic bag got cooler

• The plastic bag got warmer

• The potatoes changed color

• The hydrogen peroxide (H2O2) bubbled

Tags

NGSS.HS-PS1-4

What does pH measure?

• Electron concentration

• Neutron concentration

• Hydroxide ion concentration

• Hydrogen ion concentration

The pH of a basic solution is —

• exactly 7

• less than 7

• greater than 7

• between 3 and 6

How are acids described according to the Bronsted-Lowry de¦nition?

• Bronsted-Lowry acids are electron donors

• Bronsted-Lowry acids contain hydroxide groups

• Bronsted-Lowry acids are proton donors

• Bronsted-Lowry acids completely dissociate when dissolved in water

If the temperature of a gas changes, but the number of moles and volume remain constant, which of the following values must also change?

• Density

• Pressure

• Number of atoms

• Mass

Which one is Boyle's Law?

• V1/T1 = V2/T2

• P1/V2 = P2/V1

• PV = nRT

• Pt = P1 + P2 + P3

Which is Charles' Law?

• P1V1 = P2V2

• PV = nRT

• P1V1/T1 = P2V2/T2

• V1/T1 = V2/T2