For which compound is the process of dissolving in water exothermic?

(1) NaCl (3) NH4Cl

(2) NaOH (4) NH4NO3

How many moles of Lithium Fluoride will you need to add to 250.0 mL of water to make a 5.00 M solution?

The answer is b saturated

A recipe calls for 114 cups of sugar for every 3 cups of flour. How much sugar would be needed for 5 cups of flour?

An empty erlenmeyer flask weighs 241.3 g. when filled with water (d = 1.00 g/cm3), the flask and its contents weigh 489.1 g. what is the flask's volume? how much does the flask weigh when filled with chloroform (d = 1.48 g/cm3) ?

Which phase change at standard temperature and pressure represents sublimation?

According to the ph scale, what is the approximate ph of acid rain? a. 4.0 b. 4.5 c. 5.0 d. 5.5

You find a little bit (0.150g) of a chemical marked Tri-Nitro-Toluene, and upon combusting it in oxygen, collect 0.204 g of CO2 and 0.030 g H2O (we'll assume that these are the products, along with nitrogen).

What reaction occurs when two amino acids are put together?

A chemical reaction takes place inside a flask submerged in a water bath. The water bath contains of water at. During the reaction of heat flows out of the bath and into the flask. Calculate the new temperature of the water bath.

An aluminum can has a height of 4.83 inches, a diameter of 2.60 inches, and a uniform wall/end thickness of 0.0112 inches.