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Chemistry

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Art Kshlerin

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Cards in this guide (22)
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.

What is the problem if the car wont fire but still get power

If u mean still gets power as in compression and sprays fuel? then your problem is your spark plug check if your spark plug is working simply by unscrew it put the spark plug housing on and lay it on the head of the engine of the car. (make sure that the metal part on the side of the spark plug is touching the head of the engine) if you have no spark then get a new one or fix it if u know how..

What are the effects of a spark plug not working

A spark plug is used to ignite the fuel/air mixture inside the cylinder of an internal combustion engine. If the spark plug isn't working, the cylinder won't fire. In a multi-cylinder engine, this will result in rough running and loss of power. In a small, single cylinder engine, this will result in the inability to start the engine.

What does a complete ionic equation look like

All ionic substances are written as separate ions in solution

What is the correct sequence of steps in the four stroke engine cycle

air and fuel intake, compression and ignition, combustion and expansion, exhaust

What makes balancing redox reactions different from balancing other reactions

Balancing redox reactions is different from balancing other reactions because both the number of atoms and the amount of charge must be balanced.

What pieces of information is given in a half reaction

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

What is the number of molecules of 140g of co

28.01g/mol

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 %.

What does not benefit of using biofuel instead of fossil fuels

Fossil fuel may be used in the production of biofuels.

Which the following is a necessary product of a combustion reaction

heat

Air and fuel intake compression and ignition combustion and expansion and exhaust are sequential steps in

The four-stroke engine cycle.

In which step of the four-stroke engine cycle does the car release CO2 H2O and CO

Exhaust

Generating energy through combustion of renewable biofuels that cause minimal harm to the environment is an example of

Green Design

The chemical reaction that occurs when gasoline and air are ignited is called an

Combustion reaction

(Apex)

In the reaction mgcl2 plus 2koh mgoh2 mgoh2 plus 2kcl if 3 moles mgcl2 are added to 4 moles koh what determined how much mgoh2 is made

The amount of Koh

What is the challenges poses the biggest problem to the long term use of alternative fuels

Electric engines may ultimately rely on fossil fuels for power.

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

How would 0.000000728 be written in scientific notation

It is 7.28*10^-7 in scientific notation

Which is the most likely to be reduced

something about "native" should be ur answer..apex

In the reaction 2Li(s)+2H2O(l) ➝ 2LiOH(aq)+H2(g), which compound is in the gaseous state

H2

How is the mass of 1 mole of an element determined

It is the same as the element’s atomic mass, but in grams.

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