Looking at the structure of caffeine, explain why it is very soluble in a non-polar solvent and a little soluble in water.

A student decreases the temperature of a 556 cm3 balloon from 278k to 231k, assuming constant pressure, what should the new volume of the balloon be?

What unit is used to measure cell potential? A. electron Kelvin oxidation number OD. volt

What is an element? 1) A chemical that cannot be separated, but is limited in supply 2) A chemical that can be broken down or separated into other chemicals 3) One or more molecules held together by chemicals 4) Two or more atoms held together by

How many molecules are in 3.50 moles of H2O

Which of the following is a physical change

What is demetri mendeleyev given credit for developing

Acetone used for rinsing glassware Group of answer choices 1. Pour it down the sink where you are rinsing the glassware 2. Collect it and dispose of it in the organic or acetone waste container 3.

Suppose a 500. mL fiask is filled with 1.8 mol of Cl 2, 0.60 mol of HCl and 0.40 mol of CCl4. The following reaction becomes possible: ci2 (g) + CHCİ 3 (g) - HCI (g) + CC, (g) The equilibrium constant K for this reaction is 5.

What combination of factors can change dry ice into a liquid

Rob is conducting an experiment in which he measures a person's body temperature in response to changes in air temperature. What is the independent variable that is manipulated in the experiment?