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solniwko [45]
3 years ago
6

Explain why the invention of the microscope was important in the study of cells

Chemistry
2 answers:
Brrunno [24]3 years ago
8 0
It brought us closer to a world that we otherwise wouldn't be able to see. We can now study and observe cells and other micro molecules.
Tpy6a [65]3 years ago
6 0
The invention of the microscope was important to study the cell because it allowed the cells to be viewed due to the power of magnification. without a microscope we would not know all that we do know about the cell. <span />
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almond37 [142]
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3 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

250 j = 25 g × c ×53°C

250 j = 1325 g.°C × c

250 j / 1325 g.°C = c

c = 0.2 j/ g.°C

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3 years ago
What is the difference between water and alcohol
Rudik [331]

Answer:

water is H2O having different structure than alcohol R-OH which means they have different properties too.

Explanation:

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Other than liquid water can occur in solid form that is ice and in gaseous form that is vapors too while alcohol only present in liquid form.

heat of evaporation of alcohol is lower than water means water need more heat to evaporate than alcohol that is why we can say alcohol having more cooling effect than water.

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3 years ago
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Oduvanchick [21]

Explanation:

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svetlana [45]

Answer:

D

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3 years ago
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