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Vikentia [17]
3 years ago
15

What significant contribution did Lavoisier make to chemistry?

Chemistry
1 answer:
Lady_Fox [76]3 years ago
7 0
The correct answer is A . He was the first to use scientific experiments to learn about
atoms.

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The specific heats and densities of several materials are given below:
krek1111 [17]

<u>Answer:</u> The change in temperature is 84.7°C

<u>Explanation:</u>

To calculate the change in temperature, we use the equation:

q=mc\Delta T

where,

q = heat absorbed = 1 kCal = 1000 Cal    (Conversion factor: 1 kCal = 1000 Cal)

m = mass of steel = 100 g

c = specific heat capacity of steel = 0.118 Cal/g.°C

\Delta T = change in temperature = ?

Putting values in above equation, we get:

1000Cal=100g\times 0.118Cal/g.^oC\times \Delta T\\\\\Delta T=\frac{1000}{100\times 0.118}=84.7^oC

Hence, the change in temperature is 84.7°C

6 0
3 years ago
How is geothermal produced
soldier1979 [14.2K]
The steam rotates a turbine that activates a generator, which produces electricity. Many power plants still use fossil fuels to boil water for steam. Geothermal power plants, however, use steam produced from reservoirs of hot water found a couple of miles or more below the Earth's surface.
4 0
3 years ago
Read 2 more answers
What is the difference between matter, mass, and volume?​
Serga [27]
<h2>The difference between matter, mass, and volume is that:</h2>

<u>Matter</u> is a physical substance which can be touched, seen, smelled, and sometimes heard. It comes in different states: liquid, solid, gas, and plasma.

<u>Mass</u> is the measure of how much <u>matter</u> is in an object.

<u>Volume</u> is the measure of how much space is inside of a 3D object.

7 0
3 years ago
What reactions is : energy released as light or thermal energy ( synthesis, combustion, replacement, decomposition)
Levart [38]
This answer is synthesis
7 0
4 years ago
Okay So Blink your eyes. Was work done? Explain your answer.
Yuri [45]

Answer:

no work was needed. Blinking does not require using energy sometimes we blink without thinking.

Explanation:

7 0
3 years ago
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