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storchak [24]
2 years ago
13

How is heat included in the equation of an endothermic reaction? D. Heat is crossed out in the products of the equation. C. Heat

is included on both sides of the equation. B. Heat is written as a reactant in the equation. A. Heat is written as a product in the equation.
Mathematics
1 answer:
xxMikexx [17]2 years ago
4 0

The correct answer for the given question is B. Heat is written as a reactant in the equation.

<h3>What is endothermic reaction?</h3>

An endothermic reaction is a reaction in which is reactants absorbs heat from the surrounding to give the product or heat supplied is the reactant.

Suppose if A and B are reactants that forms product C and D,

and H be the heat absorbed or supplies to the reactants.

Then for an endothermic reaction we can write-

A +  B + Heat ---> C + D

Since, Heat is absorbed at the reactant side then it is called as endothermic reaction.

Hence,the correct answer for the given question is B. Heat is written as a reactant in the equation.

More about endothermic reaction:

brainly.com/question/23184814

#SPJ1

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Step-by-step explanation:

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For a school play, Rico bought 3 adult tickets and 5 child tickets for $40. Sasha bought 1 adult ticket and 5 child tickets for
Serhud [2]

The cost of one adult ticket is $7.5 and one child ticket is $3.5

Julia will pay $48 for 5 adult tickets and 3 child tickets.

Step-by-step explanation:

Let,

Cost of one adult ticket = x

Cost of one child ticket = y

According to given statement;

3x+5y=40    Eqn 1

x+5y=25      Eqn 2

Subtracting Eqn 2 from Eqn 1

(3x+5y)-(x+5y)=40-25\\3x+5y-x-5y=15\\2x=15

Dividing both sides by 2

\frac{2x}{2}=\frac{15}{2}\\x=7.5

Putting x=2.5 in Eqn 1

3(7.5)+5y=40\\22.5+5y=40\\5y=40-22.5\\5y=17.5

Dividing both sides by 5

\frac{5y}{5}=\frac{17.5}{5}\\y=3.5

The cost of one adult ticket is $7.5 and one child ticket is $3.5

5 adult tickets = 5*7.5 = $37.5

3 child tickets = 3*3.5 = $10.5

Total = 37.5+10.5 =$48

Julia will pay $48 for 5 adult tickets and 3 child tickets.

Keywords: linear equation, subtraction

Learn more about subtraction at:

  • brainly.com/question/3071107
  • brainly.com/question/3126500

#LearnwithBrainly

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