If kb for nx3 is 2.5*10-6, what is the poh of a 0.175 m aqueous solution of nx3? express your answer numerically

If you want to increase the gravitational force between two objects, what would you do

When MgCl2 dissolve in water does the Mg and Cl split apart?

Enter the formula for the compound formed between potassium and sulfur.

How many grams of CO are needed with an excess of Fe2O3 to produce 35.0 g Fe?

What formation is favored by the addition of heat.

A 0.200-kg cube of ice (frozen water) is floating in glycerine. The gylcerine is in a tall cylinder that has inside radius 3.40 cm. The level of the glycerine is well below the top of the cylinder.

Which is an example of chemical change A. mixing of posted colors B. formation of clouds C. sugar dissolving in water D. separating salt from seawater

Do solids or liquids have stronger intermolecular forces

For each reaction, identify the precipitate or lack thereof. cacl2 + k2co3 - -> caco3 + 2kcl

A 3.25 liter container of ammonia gas exerts a pressure of 652 mm Hg at a temperature of 243 Kelvin. Calculate the pressure of this same amount of gas in a 2.50 Liter container at a temperature of 221 Kelvin