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Margarita [4]
2 years ago
5

What is the definition for exothermic and endothermic energy?

Chemistry
1 answer:
kozerog [31]2 years ago
8 0
Exothermic<span>- the word describes a process that releases </span>energy<span> in the form of heat. Forming a chemical bond releases </span>energy<span> and therefore is an </span>exothermic<span> process. </span>Exothermic<span>reactions usually feel hot because it is giving heat to you. </span>Endothermic<span> - a process or reaction that absorbs </span>energy<span> in the form of heat.</span>
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Explanation:

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3 years ago
How many elements are in N2 and how many atoms are in N2?
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Explanation:

7 0
2 years ago
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What mass of CO was used up in the reaction with an excess of oxygen gas if 24.7g of carbon dioxide is formed? 2 CO + O2 &gt; 2
Zolol [24]
Balance Chemical Equation,
                                      2 CO  +  O₂   →   2CO₂
Acc. to this reaction,
88 g (2 mole) of CO₂ was produced when  =  56 g (2 mole)of CO was reacted
So, 
24.7 g of CO₂ will be produced by reacting =  X g of CO

Solving for X,
                                    X  =  (56 g × 24.7 g) ÷ 88 g

                                    X  =  2.26 g ÷ 88 g

                                    X  =  0.0257 g of CO

Result:           
            0.0257 g of CO is required to be reacted with excess of O₂ to produce 24.7 g of CO₂.
7 0
2 years ago
What does the number of valence electrons determine?
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3 years ago
Which of the following statements about the greenhouse effect is false?
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3 years ago
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