The first law of thermodynamics states that energy transforms matter in different ways by creating and destroying it.

A. True

B. False

What is density, and how is it connected to to mass and volume?

The heat exchange in chemical reactions is due to a change in: -kinetic energy -enthalpy -temperature -physical properties

The power in an electrical circuit is given by the equation P = PR, where / is the current flowing through the circuit and Ris the resistance of the circuit. What is the power in a circuit that has a current of 0.

All objects at any temperature emit radiant energy true or false

One relationship between organisms is that of predator-prey. Which of the following is the best description of a predator?

If gravity is not a force how does it accelerate objects?

How many DNA strands could you fit into a milimeter

A circuit contains two 1.5 volt batteries and a bulb with a resistance of 3 ohms. Calculate the current.

In an ac induction motor, the stator produces a rotating magnetic field that induces current in the rotor windings. The rotor current generates a magnetic field in opposition to the magnetic field of the stator, thereby causing the rotor to turn. A.

How many additional electrons does this atom of oxygen need in its valence shell to satisfy the octet rule?