Which geologic era lasted the longest?

A) The Cenozoic

B) The Mesozoic

C) The Paleozoic

D) The Precambrian

Select the factors that influence the rate of a chemical reaction. a. altering the concentration of reactants in the vessel b. changing the temperature of the reaction c. modifying the surface area of reactants d.

True or false: if half of a radioactive substance decays in the first 10 s, the other half will decay in the next 10 s.

Name the ketone with a five carbon group on the right and a two carbon group on the left. View Available Hint (s) Name the ketone with a five carbon group on the right and a two carbon group on the left.

Which of the following formulas represent valid ionic compounds that can be made from these six elements: Al, Be, F, Li, N, and S? Select all that apply A. AlN B. BeS C. AlLi D. LiF

The decomposition of N2O to N2 and O2 is a first-order reaction. At 730°C, the rate constant of the reaction is 1.94 * 10-4 min-1. If the initial pressure of N2O is 5.10 atm at 730°C, calculate the total gas pressure after one half-life.

Being able to identify good source of scientific information and apply the knowledge to problems in your life is a part of having A Scientific hypothesis B Scientific inquiry C Scientific literacy D Scientific laws

The label on a bottle of shampoo lists many ingredients, such as water, sodium laureth sulfate, lauramide dea, sodium chloride, etc. from this information, shampoo is best classified as

In this unbalanced reaction, which atom is oxidized? hno3 + hbr → no + br2 + h2o

Which of these types of electromagnetic radiation has the lowest energy?

Explain the processes of convergence and divergence