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Chemistry

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Emie Howe

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Cards in this guide (15)
What is the purpose of a catalyst

a catalyst provides a different path for a reaction to occur

To lower the activation energy of a reaction

What you mean by FSP

One defintion is Foreign Service Pension.

What does the rate law use to determine the rate of a reaction

The rate of a reaction is calculated using the concentrations of reactants.

How can the rate constant be determined from the rate law

The rate constant is the reaction rate divided by the concentration terms.

How does increasing the temperature affect a reaction

Increasing temperature affects a reaction in two ways:

1) at higher temperatures the molecules are moving around faster and collisions and reactions are more frequent, so the reaction - both forward and reverse - speed up.

2) at higher temperatures, the equilibrium state will shift. In some cases it will shift the equilibrium towards the product. In other cases, it will shift it back towards the reactants.

What is true of an Arrhenius acid

An Arrhenius acid donates H+ ions. (apex).

What is true of a Lewis base

A Lewis base donates electron pairs.

Which of these describes an ethical dilemma that drug designers could face

A drug for blood pressure is absorbed in the colon. It is effective, but occasionally it can erode the colon walls.

A prosthesis may be nonbiocompatible or otherwise endanger the well-being of the patient it is intended to help.

What information does an energy diagram give

It shows the energy requirements needed in order for a reaction to occur.

Which has the smallest rate constant k

chemical changes causing leaves to brown in the fall

What formula shows how rate depends on the concentration of the reactants

Rate= k[A]m[B]n is the formula that shows how the rate depends on the concentration of the reactants.

Which if the following is an example of a bronsted-lowry acid

NH4+

The process of using computers and robots to conduct thousands of tests to determine the interaction between different compounds and a disease is called what

High-throughput screening

If the pH of a solution is 10.7, what would the pOH be

3.3 (apex)

How would a change in pressure affect a gaseous system in equilibrium, according to Le Chatelier's principle

The answer is "The equilibrium would shift to reduce the pressure change" on Apex

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