What is the molarity of 4.0 moles NaCI dissolved in 2.0 L of solution

In general as the similarity of the structure between solvent and solute increases the solubility does what

Which example is a density independent factor? A. rainfall B. available food C. number of possible mates D. nesting space

A rock at the top of a 30 meter cliff has a mass of 25 kg. Calculate the rock's gravitational potential energy when dropped off the cliff. Assuming that energy is conserved and there is no air friction and gravity is 9.8 m/sec.

The force of a gas's outward push divided by the area of the walls of the container is the gas's

How many dots are shown in the electron dot diagram for calcium, in group II and period 4 with 20 protons and 20 electrons? a. four c. eight b. two d. twenty

What volume of 20 mg/L dye would be required to make 50. mL of. 10 mg/L dye?

A weather balloon at Earth's surface has a volume of 3.9 L at 299 K and 763 mmHg. If the balloon is released and the volume reaches 4.13 L at 720 mmHg, what is the temperature? Answer in units of K.

Molecules that resemble fats but contain phosphate functional groups are called: a. steroids. b. polypeptides. c. phospholipids. d. nucleic acid.

Draw the correct structural formula for the following compounds: (be sure to include the hydrogen atoms where required) a) 2-pentene b) 2,3-diethyl-3,5-dimethylhexane c) 4-ethyl-2,6-dimethyl-2-heptene

4. Electronegativity is a measure ofA) the energy needed to remove an electron from an atom. B) the energy released when an electron is added to an atom. C) the magnitude of the negative charge on an electron.