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bezimeni [28]
3 years ago
5

100 PTS IM DESPERATE NEED BY TOMMOROW

Chemistry
1 answer:
faust18 [17]3 years ago
4 0

Answer:

rest will do later mom is calling me plz understand promise will do it

Explanation:

  • Elements and compounds are similar in that they are both made of atoms and in some cases molecules.
  • Methods of Breaking Down Compounds
  • The only way to break down a compound is through a chemical change. Sometimes, energy is needed for a chemical change to happen. Two ways to add energy to break down a compound are to apply heat and to apply an electric current.
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What is the Law of Definite Composition and how does it apply to pure substances and mixtures?
Lyrx [107]

Answer:

The Law of Definite Proportions ensures that chemical compounds are always created using the same proportions, regardless of the amount of the compound which is being made

5 0
3 years ago
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Carbon dioxide and water are produced when ethanol, C2H5OH, is burned in oxygen. The number of moles of CO2 that is produced whe
suter [353]

The number of moles of CO₂ that is produced when burning 6.0 mol of ethanol is 12 mol.

<h3>What is Balanced Chemical Equation ?</h3>

The balanced chemical equation is the equation in which the number of atoms on the reactant side is equal to the number of atoms on the product side in an equation.

Now we have to write the balanced equation

C₂H₅OH + 3O₂ → 2CO₂ + 3H₂O

We can see that every 1 mole of ethanol we will get 2 mole of CO₂.

So 6.0 mol of ethanol we will get = 6.0 × 2.0

                                                       = 12 mol of CO₂

Thus from the above conclusion we can say that The number of moles of CO₂ that is produced when burning 6.0 mol of ethanol is 12 mol.

Learn more about the Balanced Chemical Equation here: brainly.com/question/26694427

#SPJ1

7 0
2 years ago
Why is the reaction of ethene with bromine called an addition reaction?.
antoniya [11.8K]

Answer: an addition reaction is one where two molecules react together to produce one. in this case a bromine molecule reacts with ethene and one of the bromine atoms is added to ethene

Explanation:

hope this helps :)

7 0
3 years ago
1. What is the relationship between base pairs A, C, T, and G in determining an individual's
tensa zangetsu [6.8K]

Answer:

The base pairs are what makes up an individual's genes.

Check below for further explanation.

Explanation:

The base pairs A, C, T and G are the basic molecules which makes is the DNA of individual.

The genes of an individual which determines the phenotypical expressions found in an individual such as eye colour, height, etc, are functional units found in the DNA.

Therefore, the arrangement of the base pairs determines the gene present in an individual and thus, the individual's phenotype.

3 0
3 years ago
certain byproduct in nuclear reactors, 210Po, decays to become 206Pb. After a time period of about 276 days, only about 25% of a
svetlana [45]
138 days. 272 divide by 2 and get 138.
5 0
3 years ago
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