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vichka [17]
2 years ago
7

A student dissolved some crystals of a salt in water.

Chemistry
2 answers:
Sauron [17]2 years ago
6 0
That’s not nice you can’t be taking points
Step2247 [10]2 years ago
3 0
Sorry I just need some points not sure what the answer is
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Which is the empirical formula for hydrogen peroxide
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This is usually pretty easy but I'm having a tough time
Kamila [148]

Answer:

Define the Problem

Background Research

Write a Hypothesis

Carry Out the Experiment

Analyze Data

Draw a Conclusion

Explanation:

First of all, identify the first and last steps before figuring out the middle.

In order, the first and last steps should be

Define the Problem

...

Draw a Conclusion.

Next, you can add your answers in the middle, from beginning to end. That would be,

Define the Problem

Background Research

Write a Hypothesis

Carry Out the Experiment

Analyze Data

Draw a Conclusion

Let me know if this is inaccurate as I am learning everyday. Hope this helped!

3 0
3 years ago
PLEASE HELP I NEED THIS ANSWERED IN 10 MINS PLEASE
elena-14-01-66 [18.8K]
We are given the equation to use which is:
ΔG = ΔH - TΔS

We are also given that:
ΔG = 173.3 kJ
T = 303 degrees kelvin
ΔH = 180.7 kJ

Substitute with these givens in the above equation to get ΔS as follows:
ΔG = ΔH - TΔS
173.3 = 180.7 - 303ΔS
303ΔS = 180.7 - 173.3 
303ΔS = 7.4
ΔS = 7.4 / 303 = 0.02442 kJ/K which is equivalent to 24.42 J/k

Based on the above calculations, the correct choice is:
D. 24.42 J/K
4 0
3 years ago
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