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xz_007 [3.2K]
4 years ago
15

Platinum will scratch gold true or false

Chemistry
2 answers:
Lunna [17]4 years ago
8 0

Answer: Scratches, marks and scuffs will start to appear over time. Furthermore, they are more noticeable at first against the pristine look of a brand new ring

i hope this helps please mark brainlist :)

Savatey [412]4 years ago
6 0

True sis is true period...

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Determine the heat needed to warm 25.3 g of copper from 22 degrees celsius to 39 degrees celsius.
Serggg [28]

Answer:

The heat needed to warm 25.3 g of copper from 22°C to 39°C is 165.59 Joules.

Explanation:

Q=mc\Delta T

Where:

Q = heat absorbed  or heat lost

c = specific heat of substance

m = Mass of the substance

ΔT = change in temperature of the substance

We have mass of copper = m = 25.3 g

Specific heat of copper = c = 0.385 J/g°C

ΔT  = 39°C - 22°C = 17°C

Heat absorbed by the copper :

Q=25.3 g\times 0.385 J/g^oC\times 17^oC=165.59 J

The heat needed to warm 25.3 g of copper from 22°C to 39°C is 165.59 Joules.

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4 years ago
What are the coefficients when the chemical equation below is balanced?
Blizzard [7]
The correct answer is D
6 0
3 years ago
Why is it not possible to just consume only pure ATP and thus eliminate some steps in
xeze [42]

Our digestive has the steps of digestion and absorption associated with it. So all the compounds taken in as food are first broken down into simpler components before absorption.

<h3><u>Explanation:</u></h3>

ATP or Adenosine Triphosphate is a compound containing a molecule of adenine as nitrogen base, a ribose sugar and three molecules of phosphate attached with the adenine in a chain. Its unable to get absorbed into the system as ATP itself. In intestine, it will be broken down into Adenine, ribose, and phosphates and then absorbed individually into blood.

Thus even if we consume raw ATP, we can't bypass the process of ATP formation. So, there's no significance. And secondly, ATP is very expensive and not suitable for consumption itself.

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How many milliliters are in a 30 gallon drum?
Aneli [31]
113562.354 milliliters
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C, NaOH(aq) is the answer
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3 years ago
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