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Gnesinka [82]
3 years ago
13

Select the correct answer. Which statement best describes how chemical equations demonstrate conservation of mass? O A. The numb

er of reactants is the same as the number of products. O B. The compounds are the same on each side of the reaction. O c. The number of atoms of each element is the same on each side of the equation. OD. The state of matter is the same on each side of the equation.
Note:
No need to explain.​
Chemistry
2 answers:
skad [1K]3 years ago
8 0

Answer:

Option D

Hope it helps you

noname [10]3 years ago
7 0

Answer:

Option C )The number of atoms of each element is the same on each side of the equation.

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What will happen to a salt water fish if placed in freshwater?
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they will die because they need to be in salt water

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helppppp. which of the following statements regarding physical and chemical changes is true? a. both physical and chemical chang
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D. chemical alters the atomic structure of a substance, while physical does not

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4 0
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Describe what you know about this chemical formula: 4CO2
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Answer:i hope im not too late

Explanation:

4CO2 also known as 4CO2 is a chemical compound occurring as an acidic colorless gas with a density about 53% higher than that of dry air. Carbon dioxide molecules consist of a carbon atom covalently double bonded to two oxygen atoms. It occurs naturally in Earth's atmosphere as a trace gas. It also helps trap earths heat inside the earth so i doesnt escape back to outer space.

yourwelcome goodluck ill peel my eyes out if need help again- an 8th grader :p

4 0
2 years ago
What is activation energy
Stolb23 [73]
The minimum amount of energy that colliding particles must have for them to react.
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3 years ago
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The element californium (cf) sells for $1000 per µg. assuming 6.02 x 1023 atoms of cf have a mass of 251 grams, how many atoms o
saveliy_v [14]

Answer:- 2.40*10^1^0atoms

Solution:- It is a simple unit conversion problem. We could solve this using dimensional analysis.

We know that, 1 US dollar = 100 cents

1 cent  = 1 US penny

So, 1 US dollar = 100 US pennies

1g=10^6\mu g

Let's make the set up starting with 1 penny as:

1penny(\frac{$1}{100pennies})(\frac{1\mu g}{$1000})(\frac{1g}{10^6\mu g})(\frac{6.02*10^2^3atoms}{251g})

= 2.40*10^1^0atoms

Therefore, we can bye 2.40*10^1^0atoms of Cf in one US penny.

3 0
3 years ago
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