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Zanzabum
3 years ago
5

Pete drives 150 meters in 18 seconds what is his speed in meters per second

Chemistry
1 answer:
Vladimir [108]3 years ago
4 0

Well, you would have to divide 150 metres by 18 seconds.

150/18 = 8 1/3 m/s OR 8.333 m/s

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No. No new substance is formed during Physical change.

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Is bleach liquid starch? <br> Yes or No
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O it's not

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Precipitation _____. occurs equally all over the globe. is the change in state from a gas to a liquid. happens when ice changes
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Precipitation exceeds evaporation over the land.

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Justin mixed two clear liquids together during an experiment and made the following observations:
svp [43]

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B. A chemical change occurred which caused the liquid's physical properties to change.

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If 15 g of C₂H₆ reacts with 60.0 g of O₂, how many moles of water (H₂O) will be produced?
IceJOKER [234]

Answer:

n_{H_2O}=1.5molH_2O

Explanation:

Hello,

In this case, the undergoing chemical reaction is:

2C_2H_6 + 7O_2 \rightarrow 4CO_2 + 6H_2O

Next, we identify the limiting reactant by computing the available moles of ethane and the moles of ethane consumed by 60.0 grams of oxygen:

n_{C_2H_6}^{available}=15g*\frac{1mol}{30g} =0.50molC_2H_6\\n_{C_2H_6}^{reacted}=60.0gO_2*\frac{1molO_2}{32gO_2}*\frac{2molC_2H_6}{7molO_2} =0.536molC_2H_6

Thus, we notice there are less available moles, for that reason, the ethane is the limiting reactant. Finally, we can compute the produced moles of water by:

n_{H_2O}=0.50molC_2H_6*\frac{6molH_2O}{2molC_2H_6}\\\\n_{H_2O}=1.5molH_2O

Best regards.

5 0
3 years ago
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