How many molecules in H2O?

Which is heavier? 30kg or 60lb?

Which statement is true about oxidation and reduction in an electrochemical cell? (1) Both occur at the anode. (2) Both occur at the cathode. (3) Oxidation occurs at the anode and reduction occurs at the cathode.

Explain the result when aluminum is placed between the liquid and the wick

Calcium carbonate is most likely to dissolve in water with which characteristics? a. Low pressure and colder temperatures b. Low carbon dioxide and warmer temperatures c. Lots of carbon dioxide and warmer temperatures d.

Which would increase the reaction rate? A) decreasing the reaction temperature B) decreasing the reactant's particle size C) decreasing a reactant's concentration D) increasing a reactant's particle size

Which substance is the most soluble at 28°C?

Predict the major product (s) formed when hexanoyl chloride is treated with excess etmgbr, followed by h2o.

Classify the properties based on whether they describe metals or nonmetals. They are good conductors of heat and electricity. They are brittle and break into sharp pieces. They are flexible and can be made into wires.

A gas occupies a 1.5 L container at 25 degrees Celsius and 2.0 atm. If the gas is transferred to a 3.0 L container at the same temperature, what will be its new pressure? a) 3.0 atm b) 2.0 atm c) 1.0 atm d) 4.0 atm

The maximum amount of n2h4 (hydrazine) that can be prepared from 14 grams of nitrogen and 28 grams of hydrogen by the reaction n2 + 2 h2 = n2h4 is?