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mixas84 [53]
3 years ago
6

What contribution to the field of chemistry was made by john dalton?

Chemistry
1 answer:
nadya68 [22]3 years ago
7 0
<span>His atomic theory proposed in 1803. In the theory he reasoned that tiny particles called atoms make up elements.</span>
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What are the effects of climate change? Answer this question integrating other topics of science.
riadik2000 [5.3K]

Answer:

»Climatic change leads to malnutrition.

e.g when its cold season, osmoregulation decreases and rate of metabolism declines.

This is because the enzymes lack that optimum temperature for their catalytic activity to take place hence improper digestion.

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2 years ago
What continent has no deserts
nevsk [136]

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Antarctica.

Explanation:

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2. Calculate the joules of energy required to heat 454.3g of water<br> frum 5.4°C to 98.6°C.
Tasya [4]

Answer:

176984.38J

Explanation:

E = mC∆T

Where E is the energy in joules

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C is the specific heat capacity of water =4.184J/g°C

It is known that it will take 4.184J of energy to change the temperature of water by one degree Celsius.

∆T = 98.6°c - 5.4°c

= 93.2°c

∆H = 454.3g × 4.18J/g°C × 93.2°c

= 176984.3768

176984.38J

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3 years ago
What is the maximum number of electrons that most nonmetal<br> atoms can gain when forming an ion?
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3 I think

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Would the car be able to travel all the way through the track of the roller coaster shown below? Why or Why not?
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Explanation:

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