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fgiga [73]
3 years ago
9

Which layer of the sun has the highest temperature

Chemistry
1 answer:
solniwko [45]3 years ago
4 0
The core has the highest temperature.
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Cho 2.3 gam natri vào 100ml nước . Tính nồng độ dung dịch thu được ( C% )
Anton [14]

Answer:

maybe speak in english than we can understand and help you sorryy

8 0
3 years ago
Nitrogen is a group 15 element. What does being In this group imply about the structure of the nitrogen atom?
sveticcg [70]

Answer:

Nitrogen has 5 valence electrons

Explanation:

nitrogen has it's attoms form triple bonds which are very hard to break

so non-reactive

4 0
3 years ago
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At a certain temperature the vapor pressure of pure chloroform (CHCl3) is measured to be 91. torr. Suppose a solution is prepare
OleMash [197]

Answer:

P_{CCl_4}=52.43torr

Explanation:

Hello there!

In this case, sine the solution of this problem require the application of the Raoult's law, assuming heptane is a nonvolatile solute, so we can write:

P_{CCl_4}=x_{CCl_4}P_{CCl_4}^{vap}

Thus, we first calculate the mole fraction of chloroform, by using the given masses and molar masses as shown below:

x_{CCl_4}=\frac{140/153.81}{140/153.81+67.1/100.21}=0.576

Therefore, the partial pressure of chloroform turns out to be:

P_{CCl_4}=0.576*91torr\\\\P_{CCl_4}=52.43torr

Regards!

3 0
3 years ago
Calcium hydroxide + hydrochloric acid → calcium chloride + water
Lubov Fominskaja [6]

Answer:

D

Explanation: iIt is a neutralization reaction and neutralization reaction is a reaction between and acid and base to give salt and water. In the question above, Ca(OH)2 is the base and HCl is the acid, Ca(Cl)2 is the salt and H2O.

5 0
4 years ago
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10 + 32 -6=any one?​
Kryger [21]

Answer:

Your answer will be 36

Explanation:

10+32=42

42-6=36

3 0
3 years ago
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