A substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change, change that into an idiom

A measurement must include both number and a?

How are radioactive isotopes detected?

Only 5 questions! All you have to do is check my answers ... 1. A flask contains four gases: CH4, O2, C2H5, and N2. When the stopper is removed, which gas will diffuse the fastest? CH4 <--- O2 C2H5 N2 2. Which gas effuses 2.

3. What three things should all doctrines be tested with, according to "Against Fate" by Mo Tzu?

How many unique 1h nmr and 13c nmr signals exist for each compound?

The specific heat of a certain type of cooking oil is 1.75 j / (g·°c). how much heat energy is needed to raise the temperature of 2.83 kg of this oil from 23 °c to 191 °c?

Which is true about the temperature of a gas? At a higher temperature, the particles have a higher average kinetic energy. At a higher temperature, the volume of the gas is smaller. At a lower temperature, there are more particles in the gas.

Convertible bonds are usually secured by a first or second mortgage. pay interest only in the event earnings are sufficient to cover the interest. may be exchanged for equity securities. have priority over other indebtedness.

What determines chemical properties and reactions? A. color of a substance B. size of the molecules C. atomic structure and bonds D. physical properties

5 jobs of your bones