Which of these is an exothermic reaction?

A. melting an ice cube

B. frying a egg

C. baking muffins

D. burning a log

A sports car starts from rest. after 10.0 s, the speed of the car is 25.0 m/s. what is the magnitude of the car's acceleration?

Rust forms from the reaction of a metal with oxygen; this is an example of a synthesis reaction. True False

Which of the following is an example of social facilitation? A. The football player who practices hard so he can be on the varsity team B. The Olympic bicycle racer who goes faster when he is racing against a person rather than the clock C.

What happens to the compressions and rarefactions when a sound gets louder?

The gravitational force extend by a large, object, such as Earth is

What is the equivalent volume occupied by three milliliters of water? three kilograms three cubic centimeters three centigrams three centimeters

Which list gives the proper sequence of energy changes that occur in a hydroelectric plant? The mechanical energy of the turbine rotates the generator parts The turbine blades capture the kinetic energy of the water Electrical energy is transferred

A locomotive is pulling 16 freight cars, each of which is loaded with the same amount of weight. The mass of each freight car (with its load) is 37,000 kg. If the train is accelerating at 0.

What is the special feature of the upper mantle?

What is the difference between weight and mass? mass and weight are both intrinsic properties of an object. if you multiply the mass of an object by the acceleration due to gravity, you will obtain the object's weight.