What are three types of variables in a controlled experiments?

How are gases different from liquids and solids, and what are four examples of properties of gases

If the potential energy of the product is less than that of the reactants, the energy released when an activated complex forms a product will be more than the activation energy resulting in an exothermic reaction. 1. True2. False

A racecar driver has to hold on tightly when going around a banked curve. Approximately what is the centripetal force on a 2220.0 kg car going around a circle with a diameter of 190.0 meters at 25.0 m/s?

It is important to stretch all your muscle groups before your exercise program, even those you won't be using that day. True False

How does thinking about light as a stream of particles, rather than a single wave?

Whats the core of electromagnet made of?

Ultraviolet light emits a total of 2.5 * 10^-17 J of light at a wavelength of 9.8 * 10^-7 m. How many photons does this correspond to?

3. A ray of light incident on one face of an equilateral glass prism is refracted in such a way that it emerges from the opposite surface at an angle of 900 to the normal. Calculate the i. angle of incidence. ii.

What would happen to the stratosphere if humans were to increase the amount of ozone within it?

The noise floor, also known as additive white Gaussian noise (AWGN), is a continuous noise level that appears over a wide spectrum when viewed in the frequency domain. a. Trueb. False