What color does litmus paper turn in a base?

If 3.5 g H2 react with 18.7 g O2 what is the limiting reactant?

Which of the following balanced chemical equations below best represents the following "word" equation: Nitrogen gas reacts with hydrogen gas to produce ammonia. N2 + 3H2 - -> 2NH3 N + 2H2 - -> 2NH N2 + H2 - -> NH3 N2 + 2H - -> 2NH3

A skateboard is pushed up a hill with a 90 N force to the left and experiences a gravitational force of 100 N to the right. (A) Will accelerate to the left (B) Will accelerate to the right (C) Will not accelerate

How many atoms of fluorine are in a sample of 19 grams?

If molecular orbitals are created by combining five atomic orbitals from atom A and five atomic orbitals from atom B combine, how many molecular orbitals will result?

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