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Liula [17]
3 years ago
10

Which can occur in a physical change? The mass can increase

Chemistry
1 answer:
solong [7]3 years ago
3 0
In a physical change the form changes or the state of the matter. For instance water can freeze and water can melt, but it is still water.

Please vote my answer brainliest! Thanks.
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For the following reaction, calculate how many moles of NO2 forms when 0.356 moles of the reactant completely reacts.
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0.712 mol of NO₂ are formed .

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Applying unitary method ,

1 mol of N₂O₅  reacts to give 4 / 2 mol of NO₂

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<u>now, using the above equation , to calculate the moles of the NO₂ , as follow -</u>

Since ,

1 mol of N₂O₅  reacts to give 4 / 2 mol of NO₂

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