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Chemistry

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Cedrick Olson

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Cards in this guide (20)
What is a solution

A liquid with something dissolved in it

What is endothermic and exothermic

Endothermic is when a reaction requires energy to be put in for it to run and exothermic is when a reaction releases energy.

How is electroplating done

the metal on which electroplating is to be done is taken as cathode ( negative electrode) . the metal of which electroplating is to be done is taken as anode ( positive electrode) and the salt solution of the metal of which electroplating is to be done is taken as electrolyte .

example-

if we want to electroplate iron with copper then iron is taken as cathode and copper is taken as anode and electrolyte is copper sulphate.Electroplating is the process of plating one metal onto another by hydrolysis, most commonly for decorative purposes. This is done through the use of copper in a copper sulfate bath.

Which of the following describes a cytotoxic autoimmune reaction

Which of the following (what)?

What are used to show what happens during a chemical reaction

CHEMiCAL SyMBOlS

Express a numbers of scientific notation

how to express scientific notation to a simle number

What kind of information do unit conversions give

unit conversions give an equal amount but with other units

What does a complete ionic equation look like

All ionic substances are written as separate ions in solution

Which method of drawing hydrocarbons is the fastest to draw

the stick model method

What types of anode

the two types of anode is stationary anode and rotating anode

What happens to the anode in an electrochemical cell

it loses mass

What is the percent composition of sulfur in SO2

32.1g

__________________

X100%

(32.1g + 16.0g + 16.0g)

What is a chemical equation in which both the reactant an product have an equal number of atoms of a given element

balanced equation

What is the overall voltage for the nonspontaneous redox reaction involving mg and cu and their ions

-2.37 - 0.34

What pieces of information is given in a half reaction

The number of electrons transferred in the reaction . . APEX c;

What would be the percent yield of the reaction be if the theoretical yield is 11.22 g but the actual yield was 8.67 g

In this case the yield is 77,27 %.

Identify the reactants in the reaction HCl plus NaOH NaCl plus H2O

The reactants are HCl and NaOH.

What is the voltage of galvanic cell made with magnesium and gold

4.2 V

Is not a concern regarding the use of corn as a biofuel

The color of corn is different than the color of gasoline or coal

APEX

What of the following best describes electroplating

Depositing one metal on another

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