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Vilka [71]
3 years ago
13

Rank the following quantities from smallest to largest: 5,200, dozen, pair,gross,ream.

Chemistry
1 answer:
Harrizon [31]3 years ago
6 0

5,200


dozen = 12


pair = 2


gross = 144


ream =  500


Pair, dozen, gross, ream, 5,200

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Explanation:

Chemical reactions occur when substances are transformed into other substances.

chemical reactions are generally categorized into four basic types:

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Which condition must be met in order for an equation to be balanced? The elements in the reactants are the same as the elements
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A science student wants to use distillation to separate a mixture of two
statuscvo [17]

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Boiling point

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Distillation is one of the most widely used separation technique in chemistry. It is used to separate a mixture of liquid substances with different boiling point. Hence, the basis of the separation is BOILING POINT DIFFERENCE.

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Determine the overall energy change for the reaction between hydrogen and oxygen shown in Question 13. Use Figure 2.
zimovet [89]

Answer:

–500KJ

Explanation:

Data obtained from the question include the following:

Heat of reactant (Hr) = 800KJ

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Enthalphy change (ΔH) =..?

The enthalphy change is simply defined as the difference between the heat of product and the heat of reactant i.e

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ΔH = Hp – Hr

With the above formula, we can easily calculate the enthalphy change as follow

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3 years ago
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