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Ivanshal [37]
3 years ago
15

Energy can be created: TRUE OR FALSE

Chemistry
2 answers:
snow_lady [41]3 years ago
6 0

Answer:

True

Explanation:

miss Akunina [59]3 years ago
6 0
False, energy can not be created nor destroyed
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Briefly explain why there is a constant temperature plateau in the cooling curve
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This plateau is where a phase change occurs. Likely, this cooling curve observes the changing of a liquid into a solid (so that the temperature is quantifiable). As something cools, it’s losing energy to the surroundings; when a phase change occurs, like liquid to solid, energy isn’t lost directly from the atom, but instead the energy maintained by free motion of the atom is used. This lack of motion reduces it into a lattice (all while maintaining a constant internal energy), finalizing the phase change, after which energy is lost directly from the atom again.
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3 years ago
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galben [10]

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Danger

Explanation:

7 0
3 years ago
What is the ph of a 0.01 m solution of the strong acid hno3 in water?
kumpel [21]
Answer is: pH <span>of a 0,01 M solution is 2.
c(HNO</span>₃) = 0,01 M = 0,01 mol/L.
pH = -log(c(HNO₃).
pH = -log(0,01 mol/L).
pH = 2.
pH<span> is a numeric scale used to specify the </span>acidity<span> or </span>basicity<span> of an </span>aqueous solution<span>. If pH is less than seven, than solution is acidic and if pH is greater seven, solution is basic, if pH is equal seven, solution is neutral.</span>
6 0
3 years ago
Read 2 more answers
The balanced reaction between aqueous nitric acid and aqueous strontium hydroxide is ________.
Kaylis [27]
<span>d.2HNO3 (aq) + Sr(OH)2 (aq) → 2H2O (l) + Sr(NO3)2(aq)
4H                                                  </span>4H
8O                                                  8O
2N                                                  2N
1Sr                                                 1Sr<span>


</span>
3 0
3 years ago
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