What is significant about the temperature -40°C?
A. It's the temperature at which Fahrenheit and Celsius
thermometers read the same.
B. It's the temperature at which Kelvin and Celsius thermometers
read the same.
C. It's the boiling point of mercury.
D. It's absolute zero.

What can be added to the examples section of each circle? endothermic: ice melting into water, and a heat pack becoming warm exothermic: a glow stick glowing, and fireworks exploding endothermic: ice melting into water, and an instant ice pack turning cold exothermic: fireworks exploding, and gasoline burning endothermic: a glow stick glowing, and a heat pack becoming warm exothermic: an instant ice pack turning cold, and ice melting into water endothermic: gasoline burning, and an instant ice pack turning cold exothermic: ice melting into water, and an instant ice pack turning cold

If a 12-v battery is connected to a circuit that has a current of 3.0 a, what is the total resistance in the circuit? 36 ohms 4 ohms 0.25 ohms

How many miles of water are produced if 5.43 mol pbo2 are consumed