750. ml of water was almost boiled to 87.0°C then placed on the counter to cool until it reached 22.0. How much heat did the

water lose? (specific heat of water = 4.184J/g C)

Identify the major attractive force in HF molecules. A) London Dispersion Forces (LDFs) B) dipole-dipole interactions C) hydrogen bonding D) ionic bonding E) polar covalent bonds

Convert 125 kPa to atm A. 12,700 atm B. 0.164 atm C. 1.23 atm

Express each of the following numbers in standard scientific notation: 0.2953 2953000 2.953

How many moles is in 175.5g of NaCl?

What kind of intermolecular forces act between two hydrogen fluoride molecules? Note: If there is more than one type of intermolecular force that acts, be sure to list them all, with a comma between the name of each force.

What state of matter is achieved if a large amount of energy is added to a gas? vapor liquid plasma solid

Which process is used to determine the concentration of an acid?

Using the ideal gas equation, calculate the pressure of oxygen gas in a cylinder with a volume of 25.00 L. The oxygen masses 4.362 kg and room temperature is at 22.5 o C.

Which of the following methods separates a homogeneous solution by spinning the solution very fast? Evaporation and distillation Filtration Centrifuge Magnetism

If the reaction is at dynamic equilibrium at 500 K, which statement applies to the given chemical system? The forward and reverse reactions no longer occur. The rates of the forward and reverse reactions are unequal.