Which of these would you expect to be solute in the non polar solvent CS2, carbon disulfide?

A) H2O

B) CBr4

C) CaCO3

D) MgS

Calculate the volume of oxygen required to burn 12.00 l of ethane gas, c2h6, to produce carbon dioxide and water, if the volumes of c2h6 and o2 are measured under the same conditions of temperature and pressure

1. Identify each of the following changes as endothermic, exothermic, or not possible to tell. The matter to keep in perspective is in italics in each case. Explain your decision in each case.

Which of the following correctly describes a compound? The atoms are bonded together, and the compound has different physical and chemical properties than the individual elements.

8.38e-21 Q^2 - 1.07e-23 Q^2 + 3.15e+19 Solve for Q

Which star colors are hot and which are cool? What numbers represent the brightest stars and what numbers represent the dimmest ones?

Which of the answer choices best describes how electrons move, according to modern atomic theory? They vibrate in place. They move like planets. They move in orbitals. They slide past each other.

The total solute concentration of a red blood cell is about 2%. Sucrose cannot pass through a red blood cell's plasma membrane, but water and urea can. Which of the following solutions will cause a red blood cell to shrink? a.

A geologist discovered fossils of marine animals in a layer of sedimentary rock in the desert. Based on this discovery, what conclusion can the geologist draw?

How do metals form chemical bonds with other metals?

Maple syrup has a density of 1.325 g/ml, and 100.00 g of maple syrup contains 67 mg of calcium in the form of ca2 + ions. what is the molarity of calcium in maple syrup?