What does it means for a substance to have a high reactivity

If the specific heat of water is 1.0 calorie/gram°C, how many calories are required to raise 500 grams of water 10.0°C? 510 cal 5,000 cal 50 cal 501 cal

A toaster oven uses67,500 joules of energy in 45 seconds to toast a piece of bread what is the power of the oven

What is the change in internal energy if 50 J of heat are released from a system, and the system does 80 J of work on its surroundings?

What came first the chicken or the egg? im pretty sure i cant figure it out tho

A tow truck moves an illegally parked car with 4598J of kinetic energy. The car weighs 2222 kg. At what speed is the tow truck pulling the car?

What is the similarities between rigel star and sirius star? explain the similarities ...

What affect does a tripling of the net force have upon the acceleration of the object? Be quantitative

How the gravitational potential change with distance in gravitational field?

1. A surfer moving with an initial speed of 1.5 m/s catches a wave and accelerates at a constant rate of 2.1 m/s2 for 2.2 s. a) How far does the surfer travel in those 2.2 seconds? b) What's the velocity of the surfer at the end of those 2.

Type of energy transformation that occurs in Hairdryer? a. chemical energy-electrical energy-mechanical energy b. electrical energy-thermal energy c. electrical energy-thermal energy d. mechanical energy-electrical energy