A substance that is made up of a single kinf of atom is called

1. Convert 0.00006125 to scientific notation

Hydrohloric acid + magnesium hydroxide =

Select the correct order of evaporation for water, alcohol, petrol and kerosene oil: - A. Petrol > alcohol > water > kerosene oil B. Alcohol > petrol > water > kerosene oil C. Water > alcohol > kerosene oil > petrol D.

Describe solids, liquids, and gases interms of how they fill a container. Use your descriptions to identify the physical state (at room temperature) of the following: (a) helium in a toy balloon; (b) mercury in a thermometer; (c) soup in a bowl.

How many grams of sugar are in six dozen doughnuts if each doughnut contains 75 g of sugar?

What is the name for CuCO3

Write out the stepwise ka reaction for the diprotic acid h2so3

A person can burn 550 Calories by running at a moderate pace for one hour. Calculate the number of Calories that would be burned if the person only ran for 22 minutes. (1 hr = 60 min) Write only the number (answer) with 3 sig. fig.

What color would I expect a solution of chromate ions to be after I add an excess of acids?

Is toasting marshmallows over a campfire a physical or chemical change?