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ehidna [41]
2 years ago
11

Who wnata to date over snap we show what ever we want I mean what ever im 13, 14 is the oldest I can go.

Chemistry
1 answer:
iren [92.7K]2 years ago
4 0

Answer: I already gave u the aNswer

Explanation:0  ok bye

bye .................................

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An 80.0g sample of an unknown metal is at an initial temperature of 55.5oC. Afer 540 J of energy is absorbed by the metal, the t
Lunna [17]

Answer:

Specific heat of metal = 0.26 j/g.°C

Explanation:

Given data:

Mass of sample = 80.0 g

Initial temperature = 55.5 °C

Final temperature = 81.75 °C

Amount of heat absorbed = 540 j

Specific heat of metal = ?

Solution:

Specific heat capacity:

It is the amount of heat required to raise the temperature of one gram of substance by one degree.

Formula:

Q = m.c. ΔT

Q = amount of heat absorbed or released

m = mass of given substance

c = specific heat capacity of substance

ΔT = change in temperature

ΔT =  81.75 °C - 55.5 °C

ΔT =  26.25 °C

540 j = 80 g × c × 26.25 °C

540 j = 2100 g.°C× c

540 j / 2100 g.°C = c

c = 0.26 j/g.°C

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3 years ago
What is not a factor in soil type?
SpyIntel [72]
The answer to this questions is letterB
7 0
3 years ago
What's the size of a astatine Atom compared to a tellurium Atom
Lena [83]
                         the answer is <span>Astatine is one period further than tellurium, meaning it has an extra shell. Therefore, the At atom will be bigger than the Te atom. </span>
7 0
3 years ago
Name the functional group present in each of the following organic compounds?
oksian1 [2.3K]
1. Alcohol
2. Halo-alkane
6 0
3 years ago
To achieve the highest return during recrystallization of a given solid, one must: Group of answer choices Add the minimum amoun
TiliK225 [7]

Answer:

Option A

Explanation:

Addition of too much of solvent will make the solution dilute due to which the crystals will not form. Hence option D is incorrect

On the other hand adding a minimum amount of boiling solvent will give a saturated solution for recrystallization. Hence, option A is incorrect

Addition of cold solvent will lower the rate of formation of crystals. Hence, both option B and C are incorrect

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3 years ago
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