What is a closed-loop system?

A solution of ammonia NH3 (aq) is at equilibrium. How would the equilibrium change if NH4 + were removed from the solution?

Describe how surface area affects the rate of a reaction

Below are 5 sets of potential solutes for you to compare. Both members of each pair are very soluble in water.

Imagine you need to make a model that shows the locations of the parts of a sodium atom. Explain which type of model you would use.

Which state of matter has atoms loosely packed and are able to slide past one another?

Arrange the following aqueous solutions, all at 25 ∘C, in order of decreasing acidity. Rank from most acidic to most basic. To rank items as equivalent, overlap them.

What is the pH of a 9.50*10-2 M ammonia solution?

Find the final equilibrium temperature when a 10.0 g of milk at 10.0c is added to 1.60 x 10^2 g of coffee with a temperature of 90.0 c

A glass with clear bubbly liquid is on the counter. You're not sure if it's Sprite or water someone has dissolved antacid in it. How could you tell without tasting or smelling the liquid? Explain thoroughly.

Write the following numbers in standard notation, maintaining the same number of significant figures. 6.104 x10^2 9.5 x 10^-3 Move the decimal by a certain number of spaces, according to the exponent of 10