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Verdich [7]
3 years ago
10

Which type of chemical reaction occurs in Ca + Cl2 ->CaCl2?

Chemistry
2 answers:
Mars2501 [29]3 years ago
7 0
Ca + Cl2 ->CaCl2 <span>synthesis  (check your chemistry lesson)</span>
oksano4ka [1.4K]3 years ago
5 0
A. Synthesis is the correct answer
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Calculate the specific heat of a piece of wood if 2000 g of wood absorbs 75,250 J of heat, and its temperature changes from 30°C
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Answer:

C

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<em>The </em><em>specific</em><em> </em><em>heat </em><em>capacity</em><em>=</em><em>quantity</em><em> of</em><em> </em><em>heat</em><em> </em><em>in </em><em>joule/</em><em>mass×</em><em>c</em><em>h</em><em>a</em><em>n</em><em>g</em><em>e</em><em> </em><em>in </em><em>temperature</em>

<em>from </em><em>this </em><em>question</em><em> </em><em>the </em><em>quantity</em><em> of</em><em> </em><em>heat</em><em> </em><em>is </em><em>7</em><em>5</em><em>2</em><em>5</em><em>0</em><em>,</em><em>the </em><em>mass </em><em>is </em><em>2</em><em>0</em><em>0</em><em>0</em><em> </em><em>and </em><em>the </em><em>change </em><em>in </em><em>temperature</em><em> </em><em>is </em><em>5</em><em>0</em><em>-</em><em>3</em><em>0</em>

<em>which </em><em>is </em><em>2</em><em>0</em>

<em>therefore</em>

<em>c=</em><em>7</em><em>5</em><em>2</em><em>5</em><em>0</em><em>/</em><em>2</em><em>0</em><em>0</em><em>0</em><em>×</em><em>2</em><em>0</em>

<em>c=</em><em>7</em><em>5</em><em>2</em><em>5</em><em>0</em><em>/</em><em>4</em><em>0</em><em>0</em><em>0</em><em>0</em>

<em>c=</em><em>1</em><em>.</em><em>8</em><em>8</em>

<em>I </em><em>hope </em><em>this </em><em>helps</em>

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3 years ago
Define the chemical reaction?​
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Answer:

HOPE IT HELPED U ....

Explanation:

Chemical reaction is a process that involves rearrangement of the molecular or ionic structure of a substance, as distinct from a change in physical form or a nuclear reaction.

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How is a compound different from an element 2.3 lesson check?
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<em>Answer:</em>

  1. Element: Element are pure substance consist of same type of atoms
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<em>Distinguish features:</em>

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<em>Example:</em>

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<em>Summary:</em>

  • When two or more elements are mixed then compounds are formed.
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