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Wewaii [24]
3 years ago
13

How is the mass of a liquid substance affected after it freezes?

Chemistry
1 answer:
yan [13]3 years ago
8 0
<span>Atoms and molecules lost heat and come together, their motion slows down and distance between them decreases.</span>
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Select True or False: The reaction of hydrogen chloride gas with propene will yield 1-chloropropane as the main product
kifflom [539]

Answer:

False

Explanation:

My first response got deleted by brainly so here, again

3 0
2 years ago
If the outside of your flask is not dry when the first mass determination is made and it is dried for the second mass determinat
svlad2 [7]

Answer:

You'll experience a grater deviation

Explanation:

<em>You'll experience a greater deviation in your measurements, meaning your measures will have a bigger difference between them, and the greater these deviations the less accurate will be the measuring.</em> This happens mainly because you're not replicating the measurement with the exact same conditions, in one of them you'll have an extra mass from the water.

I hope you find this information useful and interesting! Good luck!

8 0
3 years ago
A sample of an Iron Oxalato complex salt weighting 0.145 grams requires 34.88 mL of 0.015 M KMnO4 to turn the solution a very li
Amanda [17]

Answer:

5.2 ×10^-4 moles

Explanation:

Equation of reaction:

5C2O4^2- + 2MnO4^- +. 6H^+. ----------> 10CO2. +. 8H2O. + 2Mn^2+

From the information provided in the question:

Volume of potassium permanganate= 34.88ml

Concentration of potassium permanganate= 0.015M

Amount potassium permanganate= 0.015 × 34.88/1000= 5.2 ×10^-4 moles

6 0
3 years ago
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Where is the epicenter of this hypothetical earthquake?
Zolol [24]

Answer:

In fact, the epicenter of a hypothetical earthquake is located at the point where the earthquake begins to break. The epicenter is just above the surface of 'our planet'. The epicenter is what we call immediately above the 'hypocenter' of the earthquake on the stage that said surface.

Explanation:

6 0
2 years ago
How many elements does a compound need to form?
Vinvika [58]

Answer:

two

Explanation:

When two distinct elements are chemically combined, chemical bonds form between their atoms. the result is called a chemical compound

4 0
3 years ago
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