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Chemistry

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Adolfo Mosciski

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Cards in this guide (13)
What happens at the triple point of water

Solid, liquid, and gas exist together.

Apex

What kind of fraction has a value less than 1

1/2 is less than one.

What causes pressure changes of reactants to affect the reaction rate

The frequency of collisions is changed.

How does increasing the temperature affect collisions

It increases the number of high-energy collisions

What happens to the potential energy of the molecules in a reaction

The potential energy of the molecules change during a reaction.

What information does the rate constant give from the rate law

It tells how much the reaction rate is affected by concentrations.

What is true of a Brnsted Lowry base

Bornsted Lowry base is an acid base reaction theory. The ideal came from Johannes Nicolaus Bronsted and Thomas Martin Lowry in 1923. The theory is that acid can lose or donate a proton.

Balance H2 plus N2 equals NH3

Balance H2 plus N2 equals NH3

3H2 + N2 ----> 2NH3

What will happen when a reactant is added to a system at equilibrium

The equilibrium of the system will be upset.

What are Kp aND KC

Kc is the equilibrium constant of a chemical reaction; Kp is the equilibrium constant of a chemical reaction at constant pressure.

According to Le Chatelier principle what happens if heat is added to a system

The reaction shifts to remove the heat APEX

What is the following of a base

A base contain the hydroxyl group (OH)-.

What of the following is a characteristic of a weak acid

It does not dissociate completely in water

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