What does a transformer do?

a) changes the voltage of electricity leaving a power plant

b) changes the temperature of steam in a power plant

c) cools the water in a nuclear reactor

What is the significance of the periodic table of elements?

What is the empirical formula of a substance that is 53.5% carbon (c), 15.5% hydrogen (h), and 31.1% nitrogen (n) by weight?

What is released when the chemical bond is broken between the second and third phosphates of an atp?

Analyzing a specific reaction Consider the following reaction: 2Mg+O2→2MgO, rate=k[Mg][O2]2 Part A What is the overall reaction order? Express your answer as an integer.

How does the Sun fit into a food web? It depends on the food web. It depends on the habitat. It provides the original energy for all food webs. The Sun does not have to do with food web

Identify the following: 1. The only 2 liquid elements. 2. The element in period 4, group 0. 3. The second metalloid in period 4. 4. The first element in group 4A.

You are about to open a container of soy milk but notice that there are instructions to "shake well before serving." the soy milk is most likely a

Give reason: a. Fractionating columns with beads are used for fractional distillation b. Crystallisation is a better technique than evaporation

How can a gardener remedy soil that is overly acidic?

True or false everything has the same amount of energy?