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Natasha_Volkova [10]
3 years ago
8

I will brainly And 5 star rate!!

Chemistry
2 answers:
ElenaW [278]3 years ago
8 0
One or more substances are converted to a different substance. an example could be ( iron + oxygen = rust
xeze [42]3 years ago
3 0
Most of them explode is the answer to that question
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Where do Alkanes come from​
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Alkanes naturally occur in crude oil and are a major component of many fuels and solvents derived from petroleum

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Why is the bond angle in a water molecule less than the bond angle of methane
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Question 3<br> 6.06 X 103 L<br> How many significant figures are there
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The number of electrons in neutral atoms of the elements
Ksivusya [100]
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4 0
3 years ago
If you start with 89.3 g no(g) and 28.6 g h2(g), find the theoretical yield of ammonia.
Tatiana [17]
Balanced equation: 
<span>2 NO + 5 H2 ------> 2 NH3 + 2 H2O
 </span>
<span>2 moles NO react with 5 moles H2 to produce 2 moles NH3
 </span>
<span>Molar mass of NO = 30.00 g/mol </span>
<span>86.3g NO = 86.3/30.00 = 2.877 moles of NO </span>

<span>This will require: 2.877*5 / 2 = 7.192 moles of H2 </span>

<span>Molar mass of H2 = 2 g/mol </span>
<span>25.6g H2 = 25.6/2 = 12.7 mol H2. </span>
<span>You have excess H2 means the NO is limiting </span>

<span>From the balanced equation: </span>
<span>2 moles of NO will produce 2 moles of NH3 </span>
<span>2.877 moles of NO will produce 2.877 moles of NH3 </span>

<span>Molar mass NH3 = 17g/mol </span>
<span>Mass NH3 produced = 2.877 * 17 = 48.91g 

Hence the yield is = 48.91 g ~ 49 g</span>
3 0
3 years ago
Read 2 more answers
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