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3 years ago

Which of the following is an example of a chemical reaction?

Chemistry

1 answer:

FrozenT [24]3 years ago

6 0

All of the above are chemical reactions.
If that is a choice

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Which of the following equations has correct formulas and also is a balanced equation?

aliya0001 [1]

Answer : The correct option is, (B)

Explanation :

Balance equation : Balanced equation are those equation in which the number of atoms of each element and the total charge must be same on products side and reactants side.

In the given options, only option (B) equation has correct formula and also a balanced equation.

$2Be+O_2\rightarrow 2BeO$

while the other options has incorrect formulas and also an unbalanced equations.

The correct equation for option A is, $CaCO_3\rightarrow CaO+CO_2$

The correct equation for option C is, $2Mg+O_2\rightarrow 2MgO$

The correct equation for option D is, $KCl+HNO_3\rightarrow HCl+KNO_3$

Hence, the correct answer is, (B) $2Be+O_2\rightarrow 2BeO$

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3 years ago

What is a limited resource in the use of nuclear fission for energy?

lys-0071 [83]

Uranium is the answer

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3 years ago

You gained two pounds while on vacation. Which of the following has changed?

Elenna [48]

I believe it is d. physical shape n particle amount (amount of particle increase if u gain weight right?), weight directly proportional to mass..

3 0

4 years ago

Read 2 more answers

56. The electron configuration for phosphorous is [Ar]3s23p4.<br> a. TRUE<br> b. FALSE

melomori [17]

Answer:

False

Explanation:

7 0

2 years ago

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The function of a specific enzyme is mostly determined by its

galben [10]

Answer:

What does the shape of an enzyme determine? The shape of the enzyme determines which chemical reaction it will speed up. -The region on an enzyme that the substrate fits into. ... The active site of an enzyme only fits one type of substrate molecule.

Explanation:

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3 years ago