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Dvinal [7]
3 years ago
13

Help on science questions please!!!

Chemistry
1 answer:
kow [346]3 years ago
6 0
Plastic doesn’t connect to metals
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The combustion of ethane ( C 2 H 6 ) produces carbon dioxide and steam. 2 C 2 H 6 ( g ) + 7 O 2 ( g ) ⟶ 4 CO 2 ( g ) + 6 H 2 O (
dexar [7]

Answer:

10.4 moles of CO2 are produced

Explanation:

take the 5.2 moles of C2H6 and multiply that by the mole ratio of CO2 to C2H6 in the reaction (4/2)

5.2 * (4/2) = 10.4

4 0
3 years ago
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What is the connection between physical properties and physical changes
irakobra [83]

Answer: Physical changes are related to physical properties since some measurements require that changes be made. Melting Point: As solid matter is heated it eventually melts or changes into a liquid state at the melting point. Ice (a solid form of water) melts at 0 oC and changes to the liquid state.

Explanation:

5 0
2 years ago
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What does the symbol Cp
xenn [34]

Answer:

From what i've learned so far, the correct answer is "Heat at a constant Pressure" or "Specific Heat"

Explanation:

Hope this helps!

8 0
2 years ago
How can we remove the hardness of water by boiling?​
pantera1 [17]

Heat makes it softer

5 0
3 years ago
Make the following conversion. 0.075 m = _____ cm 7.5 75 0.0075 0.00075
oee [108]
7.5 is the answer. You have to move the decimal 2 places to the right.
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