Which solution is a homogeneous mixture? sand and water salt and water salad dressing soil

What is the significance sodium hydroxide and hydrochloric acid

A statue is made up of a material that has a density 6 g/mL and a mass of 1,668 g. What is its volume?

Give an example of a homogeneous mixture and an example of a heterogeneous mixture.

If you burn 50.4 g of hydrogen and produce 4.50 * 102 g of water, how much oxygen reacted?

You are playing tug of war. You pull the rope with a force of 85N to the left and your friend pulls the rope with a force of 85N to the right. What is the net force on the rope A. 200N to the right B. 200N to the left C. 0N D. 100N to the right

Calculate the formula mass of ethanol, c2h5oh. express your answer to three significant figures and include the appropriate units.

What are the four classifications of matter? of those four, which two are pure substances?

Which relationship or statement best describes delta s for the following reaction: 2H2S (g) + 3O2 (g) - -> 2H2O (g) a) Delta S = 0 b) Delta S < 0 c) Delta S> 0 d) Delta S = Delta H |T e) More information is needed to make a reasonable prediction.

Which of the following subatomic particles are found outside of the nucleus?

How many atoms does a molecule of sodium chloride contain?