A train took 18 hours to finish 1530 miles journey. What was the average speed of the train during this journey?

Calculate the number of moles of magnesium, chlorine, and oxygen atoms in 4.50 moles of magnesium perchlorate, mg (clo4) 2. express the number of moles of mg, cl, and o atoms numerically, separated by commas.

How many moles of br2 (l) (mm = 159.80 g/mol) are in 13.9 ml of liquid bromine? the density of br2 (l) is 3.12 g/ml?

Which term best describes the substances that cause oil and water molecules in salad Dressing to interact and mix? surfactants miscible liquids immiscible liquids compressed molecules

All airplanes have mass; therefore, what force pulls them toward the ground? A. Thrust B. Gravity C. Drag D. Lift

How do phospholipids interact with water molecules?

Why are the spheres representing nitrogen and oxygen different colors

How many moles are in 16.94g of water?

Two compound samples are found to have the same mass percentages of the same elements. what can you conclude about the two samples

Sodium hypochlorite (Na xCl yO z) is the active ingredient in household bleach. A 250.0 g sample of sodium hypochlorite contains 77.2 g sodium, 119.1 g chlorine, and the remainder is oxygen. Calculate the empirical formula of sodium hypochlorite.

The tapeats sandstone in the grand canyon is an example of a clastic sedimentary rock. such clastic sedimentary rocks can be distinguished from biochemical sedimentary rocks by