Which is most likely true about water in chemical systems

A.) Water dissolves nonpolar ionic compounds

B.) Water dissociates ionic compounds

C.) Water dissociates covalent molecules.

D.) Water dissolves nonpolar covalent substances.

How many moles of acetylene (C2H6) had occupy a volume of 3.25L at STP?

A solution is prepared by mixing 3.44 mol of acetone with 1.45 mol of cyclohexane at 30°c. calculate the χacetone and χcyclohexane in the vapor above the solution. p°acetone = 229.5 torr and p°cyclohexane = 97.6 torr.

Which is true regarding covalent substances placed in water? A. Covalent substances conduct electricity very well in water. B. The molecules aren't separated from one another by water molecules. C.

A synthesis reaction that is nonspontaneous and has a negative value for its heat of reaction will not occur until some heat is added nonspontaneous exothermic re actions need enough activation energy to get them started. A. T, T B. T, F C. F, T D.

Which scenario represents a scientific investigation A. A measurement of growth patterns of crystals in space B. A selection of favorite songs in a survey C. A questionnaire on the quality of care in a hospital D.

What is the atomic number of magnesium?

Explain how earth plates and lithosphere are related

What is the name for the Fe2 + cation? Iron ion Iron (II) ion Ironide Ferride ion

When designing an experimental investigation, why is it important to test only one variable?

Most fruit juices are a solution of water, sugar, and fruit-specific chemicals. in this solution, identify the solvent and solutes.