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Aleksandr-060686 [28]
2 years ago
5

Drag each label to the correct location. Each label can be used more than once.

Chemistry
2 answers:
igor_vitrenko [27]2 years ago
8 0

Answer: I DONT KNOW I guess

Explanation: HONESTLY WHAT ARE YOU TALKING ABOUT???????/

suter [353]2 years ago
7 0
Could you please explain more in depth?
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1. Name three obstacles that Mendeleev faced in his life? ​
Fittoniya [83]

Answer:

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3 0
2 years ago
A 25.0 g bold made of an alloy absorbed 250 J of heat as its temperature changed from 25.0 °C to 78.0 °C. What is the specific h
nata0808 [166]

Answer:

Specific heat of alloy = 0.2 j/ g.°C

Explanation:

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

Given data:

Mass of bold = 25 g

Heat absorbed = 250 J

Initial Temperature = 25°C

Final temperature = 78°C

Specific heat of alloy = ?

Solution:

Change in temperature:

ΔT = 78°C - 25°C

ΔT = 53°C

Now we will put the values in formula.

Q = m.c. ΔT

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250 j = 1325 g.°C × c

250 j / 1325 g.°C = c

c = 0.2 j/ g.°C

8 0
3 years ago
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