What would cause the pressure of a gas to increase?

What is the purpose of the salt bridge in a voltaic cell? A. It blocks the flow of electrons. B. It blocks the flow of positive and negative ions. C. It is a path for the flow of electrons. D. It is a path for the flow of positive and negative ions.

If the acid dissociation constant, Ka, for an acid HA is 8 x 104 at 25°C, what percent of the acid is dissociated in a 0.50 M solution of HA at 25°C? A 08%

Which of the following is the most acidic? A. Bleach (pH = 13) B. Baking soda (pH = 9) C. Vinegar (pH = 3) D. Coffee (pH = 5)

1. A food sample is burned in a calorimeter that contains 2000. g of water. The temperature increases from 22.0°C to 44.3 °C. How many Calories does the food sample contain, assuming all of the energy from the food was transferred into the water?

Whar are the three main parts of an electon's "adress" used in the current atomic theory that describe an electron's location?

A general term for an attractive force that holds two atoms together is known as an

Which law is known as the law of action-reaction

7. A 2.0 L container had 0.40 mol of He (g) and 0.60 mol of Ar (g) at 25°C. Which gas has a greater average kinetic energy? Which gas is traveling at a higher average speed? If Ar has an average speed of 431 m/s, what is the average speed of He?

Which of the following will allow more solute to be dissolved in a solvent? Choose all that apply. * Adding more solute Cooling the solution Agitating the solution Adding heat Using larger crystals

Calculate the average bond order for a p-o bond (such as the one shown in blue) in a phosphate ion.