What are the four variables used to describe gases?

Enzymes are specialized proteins that serve as catalysts for living organisms. Considering the effect of temperature on reaction rate, why is it so important that living organisms use catalysts?

What tests can be used to determine the composition of alum?

Which of these is a mixture? A. Carbon Dioxide B. salt water C. calcium D. potassium

If 4 liters of gaseous hydrogen combines with 2 liters of gaseous oxygen and both are diatomic molecules, how many liters of gaseous water will be formed? Assume this occurs under conditions of constant temperature and pressure. A. 2L B. 1L C. 5L 4.

Is co2 a reactant or product

When does a spring tide take place? At the beginning of spring Only during the spring season Only after spring is over At any time

The highest cloud are known as

What is the mass of 4.85 X 10^22 atoms of iron (Fe) ?

If element x has 95 protons how many electrons does it have

Which of the following when dissolved in deionized water would make a good conducting solution? a) methanolb) sugarc) baking soda