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3 years ago

What are three ways to organize data

Chemistry

1 answer:

Arlecino [84]3 years ago

6 0

Answer: you can use a table to group them together.

Explanation: use a table, graph or organizer

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The difference between Physical/Chemical properties and Physical/Chemical changes

AfilCa [17]

Physical changes can be reversed and chemical changes can’t be reversed. A physical property is a characteristic which can be identified without changing the substance but to identify a chemical property, you do have to change the substance.

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3 years ago

Plant can accomplish something animal cells can’t. They can make their own food during

Kruka [31]

Answer:

Photosynthesis is the answer.

3 0

4 years ago

Read 2 more answers

Why Can alloys not be described using chemical formulas?

Reptile [31]

Alloys are homogeneous mixtures, they are not compounds like others and hence donot have formula

6 0

4 years ago

Read 2 more answers

Write a balanced equation for the complete oxidation reaction that occurs when methane (CH4) burns in air.

Lelechka [254]

Answer: The balanced equation for the complete oxidation reaction that occurs when methane (CH4) burns in air is $CH_{4} + 2O_{2} \rightarrow CO_{2} + 2H_{2}O$ .

Explanation:

When a substance tends to gain oxygen atom in a chemical reaction and loses hydrogen atom then it is called oxidation reaction.

For example, chemical equation for oxidation of methane is as follows.

$CH_{4} + O_{2} \rightarrow CO_{2} + H_{2}O$

Number of atoms present on reactant side are as follows.

C = 1
H = 4
O = 2

Number of atoms present on product side are as follows.

C = 1
H = 2
O = 3

To balance this equation, multiply $O_{2}$ by 2 on reactant side. Also, multiply $H_{2}O$ by 2 on product side. Hence, the equation can be rewritten as follows.

$CH_{4} + 2O_{2} \rightarrow CO_{2} + 2H_{2}O$

Now, the number of atoms present on reactant side are as follows.

C = 1
H = 4
O = 4

Number of atoms present on product side are as follows.

C = 1
H = 4
O = 4

Since, the atoms present on both reactant and product side are equal. Therefore, this equation is now balanced.

Thus, we can conclude that balanced equation for the complete oxidation reaction that occurs when methane (CH4) burns in air is $CH_{4} + 2O_{2} \rightarrow CO_{2} + 2H_{2}O$ .

4 0

3 years ago

To what characteristics of the group 1 metallic elements can the ease with which their sons form +1 monatomic ions be attributed

ArbitrLikvidat [17]

Group 1 elements (usually called alkali metals) are not very electronegative and have small ionization energies due to that. The reason why they are not very electronegative is that they really want to loose their one valence electron so that they can have a noble gas electron configuration (completed octet).

I hope this helps.

3 0

4 years ago