Lava that cools quickly forms what type of rock

In chemistry to be classified as an organic substance a substance must contain?

How does friction affect energy transformation

If 2.0 liters of oxygen gas react with excess carbon monoxide at 273 K and 1.00 atm, how many liters of carbon dioxide can be produced under the same conditions? 2 CO (g) + O2 (g) yields 2 CO2 (g)

How many times more acidic is a pH of 2 than a PH of 7?

If 200. mL of 0.60 M MgCl2 (aq) is added to 400 mL of distilled water, what is the concentration of Mg and Cl in the resulting solution? A. 0.20 M Mg ion & 0.20 M Cl ionB. 0.40 M Mg ion & 0.40 M Cl ionC. 0.20 M Mg ion & 0.40 M Cl ionD. 2.

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