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Chemistry

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Daija Kreiger

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โˆ™ 2021-09-30 20:42:20
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Cards in this guide (21)
Is lead a pure substance

Lead is an element so it is a pure substance.

What do acids and bases have in common

they can both kill you and burn you

What is the definition of specific heat

The heat needed to raise the temperature of 1 g of a substance 1ยฐ C - apex

What is PPM in full

PPM = Parts Per Million.

1 ppm = 0.0001%

Can the in tank fuel pump be replaced with an external one in 1996 s10

No you can not, Even if you could use a external pump, you would still have to take the pump out of the tank and modify the sending unit so it would pick up the fuel and pump it.

A rational function is a function whose equation contains

a rational expression.

Does a base produce OH- ions

yes, one of the definition of a base is that they produce OH- ions

How does one calculate the pH of a solution

The pH is the negative log of [H+].

Which of the following would have the best thermal insulation properties

A down-filled coat

How is an endothermic reaction identified in an equation

Heat is included as a reactant in the reaction.

What type of reactions is an acid base reactions

acid bade reaction is chemical reaction

Which of the following affects the rate of reaction

The concentrations of the reactants

When is fractional distillation technique employed

Fractional distillation method of separation is based upon differences between boiling points of components.

How many associate justices are on the U.S. Supreme Court

There are eight associate justices on the US Supreme Court.

What chemical reaction describes where energy is absorbed

You think probable to an endothermic chemical reaction.

What best summarizes the ideal gas law apex

PV=nRT

How can the placebo effect cause problems in an experiment

The placebo effect can causes the dependent variable to change without any causative reason. This distorts the results for the control set in an experiment.

What does the triple point on the phase diagram describe

The triple point is the temperature where solid, liquid and gas phases coexist.

How does temperature affect the direction of heat movement .

The direction is from a high temperature to a low temperature.

What is conjugate base of HPO42-

(PO4)3- is considered the conjugate base.

What is an acid

An Acid is a substance that actives with a base and can also dislove

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