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MArishka [77]
3 years ago
14

You are testing an unknown liquid to determine its identity. First you heat the liquid and find that it turns to gas at 80 degre

es Celsius. Then you add sodium to a small amount of the liquid to see if it reacts.Last you try to burn the liquid to see if it is flammable.
Which physical property of the
liquid did you test?

A. boiling point
B. ability to conduct electricity
C. combustibility
D. melting point
Chemistry
1 answer:
SVETLANKA909090 [29]3 years ago
7 0

Answer: The answer is <u><em>(Boiling Point) </em></u>:)

<u><em /></u>

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Table 2 Heat of Reaction of NaOH (aq) and HCl(aq) Solution
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Answer:

the molarity of NaOH is 1.10. And the molarity of HCl is 1.10. And the initial Temp=0.50(°c). and The final Temp= 1.10(°c)

8 0
3 years ago
What coefficient is missing in C2H4 + (?)O2 → 2CO2 + 2H2O?
Daniel [21]

Answer:

3

Explanation:

you must multiply everything out till everything is equal on both sides

7 0
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The value of Henry's law constant for oxygen in water at 242C is 1.66 x 1 ox M/torr. b. c. Calculate the solubility of oxygen in
DochEvi [55]
25ca an the oxygen gas is 2 atom ur mum
4 0
3 years ago
A hot object will have ___ kinetic energy
Masja [62]

Answer:

More/ Alot? I think is what you are looking for?

Explanation:

It will definitely have some but I'm not sure on what word you are looking for.

6 0
3 years ago
He following balanced equation shows the formation of water. 2H2 + O2 mc020-1.jpg 2H2O How many moles of oxygen (O2) are require
mrs_skeptik [129]

Answer : The correct option is, 13.7 mole

Solution : Given,

Moles of H_2 = 27.4 moles

The given balanced chemical reaction is,

2H_2+O_2\rightarrow 2H_2O

From the balanced chemical reaction, we conclude that

As, 2 moles of H_2 react with 1 moles of O_2

So, 27.4 moles of H_2 react with \frac{27.4}{2}=13.7 moles of O_2

Therefore, the number of moles of oxygen O_2 required are, 13.7 moles

7 0
3 years ago
Read 2 more answers
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