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Chemistry

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Coty Bernier

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Cards in this guide (21)
What is a combustion reaction

A combustion reaction is a reaction in which a substance reacts with oxygen and heat is released.
C3H8 (g) + 5O2 (g) → 3CO2 (g) + 4H2O (g)

another answer:

C(s)+O2(g) CO2(g)

What is a molecular formula

The molecular formula specifies the actual number of atoms of each element in a molecule.

How is stoichiometry used

Stoichiometry is used to find the molar ratios between the reactants of a chemical reaction.

What information does a solubility table give

it tells which compounds will dissolve in water

What does a complete ionic equation look like

All ionic substances are written as separate ions in solution

What happens when a molecule combusts

Combines with oxygen

Which of the following combustion reactions is balanced correctly

The correct answer is: C5H12 + 8O2 5CO2 + 6H2O.

What is a molecule containing only carbon and hydrogen called

A hydrocarbon-apex

What pieces of information is given in a half reaction

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

What gas mileage can one expect from the R8 Audi automobile

The reported gas mileage of the R8 Audi is 13 miles per gallon in the city and 19 miles per gallon on the highway. They report an average of 15 miles per gallon combined city and highway driving.

In what order should atoms be balanced in a hydrocarbon combustion reaction

Answer this question… Carbon, hydrogen, oxygen

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

What is the oxidation state of N in NH4 plus

-3

In which step of the four stroke engine cycle does the heat from the combustion reaction cause the pistons to move

combustion and expansion

Hydrogen-powered cars create less pollution than gasoline-powered cars when driven. What might be a challenge to using hydrogen as a fuel

Challenges to hydrogen as fuel include no distribution network, ie gas stations, and fear that the car co u l d explode like the Hindenburg.

Ask us anythingJoel has noticed that his engine is not compressing properly during the compression and ignition step. What problem will this pose

The engine will run inefficiently.

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

What is a hydrocarbon

A compound of hydrogen and carbon.

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