What is the net ionic charge of a calcium ion?

A 5.00g sample of a carbohydrate (compound containing carbon, hydrogen, and oxygen) is found to contain 2.006g carbon, 0.334g hydrogen, and 2.66g oxygen. What is the percent by mass of oxygen in the carbohydrate

How many grams of H2 are needed to produce 12.50g of NH3?

In a balanced chemical reaction, the total mass of the products always equals the Select one: a. proportional masses of the reactants. b. molar mass of the reactants. c. total mass of the reactants. d. atomic mass of the reactants.

How to handle coin top containers? - place hand over label - place stopper on workbench to avoid dropping it - pour using a stirring rod - wipe off any drips

Which of the following questions can be answered by science? A. Is fruit ripening dependent on the type of light the fruit is exposed to? B. Is it justifiable to add chemicals to the atmosphere to stimulate rain? C.

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