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Chemistry

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Aida Medhurst

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Cards in this guide (20)
What is meant by the rate of reaction

The rate of reaction refers to the speed at which a reaction proceeds.

Sodium di hydrogen phosphate dissociation

NaH2PO4(aq) + H2OàH3PO4(aq) + NaOH(aq)

H3PO4(aq)ßàH+(aq) + H2PO4_(aq)

H2PO4-(aq)ßàH+(aq) + HPO42-(aq)

HPO42-(aq)ßàH+(aq) + PO43-(aq)

What happens at the triple point of water

Solid, liquid, and gas exist together.

Apex

Why is Mandela in hospital

He was in hospital for a respiratory infection.

What was the one drop rule

If you had a black ancestors, you were considered black, regardless of your actual color.

What did Booker T Washington and W E B Du Bois agree on

They agreed that segregation was wrong.

How did W E B Du Bois disagree with Booker T Washington

Du Bois believed that African Americans should not accept segregation.

What is the rate constant of a reaction if rate 1 10-2 molLs A is 2 M B is 3 M m 2 and n 1

4.5 (moI/L)/s -apex

What is the name of the field of study with laws that describe how energy is transferred to different locations and forms

Thermodynamics

What information does an acid or base equilibrium constant give

The information an acid or base equilibrium constant gives is that the acidity and base levels are equal to the equilibrium constant multi[plied by the water concentration.

Which of these correctly lists the order of the engineering process

Identify a need, research the background, make a plan, do the work, evaluate the results, look for improvements. (APEX)

What is a vapor degreaser used for

A vapor degreaser uses vapor or steam to clean a surface so that more work can be done on a surface. A vapor degreaser is a relatively sophisticated machine and one requires specialized training to use it so as not to ruin a surface.

Scientist wants to make advances in the way skin cancer patients are treated what is something she should do first

look at the success rate of the current treatments

Which of the following is located over the center of the base of a regular pyramid

The apex.

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

The reaction shifts to remove the heat APEX

A scientist has just developed a composite drug to fight seasonal allergies. What is the next step in the engineering process before the drug is released

Testing the composite drug in a trial run.

What is the following of a base

A base contain the hydroxyl group (OH)-.

What is a following characterizes a reaction at equilibrium

The forward and backward reactions are equal.

What does it mean if Keq is less than 1

Reactants are favored over products in the reaction.

which of the following is an example of an Arrhenius acid

HI

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