A 3. 5g sample of pure metal requires 25. 0 J of energy to change the temperature from 33 C to 42 C. What is the specific heat?

Describe the interaction that occurs between two objects with the same electrical charge.

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line

The reactions of photosynthesis occur in the of plant cell? a.mitochondria. b. lysosomes. c. chloroplasts. d. chlorophyll