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Alenkinab [10]
3 years ago
6

Though alchemists were often superstitious, they left a rich legacy for modern chemists. What was their main contribution?

Chemistry
1 answer:
topjm [15]3 years ago
5 0

though alchemists were often superstitious, they left a rich legacy of modern chemists. what was their main contribution-

Explanation:

they were the first to preform experiments.

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The first successful perpetual motion machine was invented in 1859.<br><br> True<br> OR<br> False
STALIN [3.7K]

Answer:

false

Explanation:

made in 12th centry

4 0
3 years ago
Which postulate of dalton's atomic theory not relevant anymore?explain
VLD [36.1K]

Modern atomic theory is, of course, a little more involved than Dalton's theory but the essence of Dalton's theory remains valid. Today we know that atoms can be destroyed via nuclear reactions but not by chemical reactions. Also, there are different kinds of atoms (differing by their masses) within an element that are known as "isotopes", but isotopes of an element have the same chemical properties.

Many heretofore unexplained chemical phenomena were quickly explained by Dalton with his theory. Dalton's theory quickly became the theoretical foundation in chemistry.

6 0
3 years ago
Sugar is stirred into water tp form a solution what names to we give to the sugar and water
Nina [5.8K]
Your answer would be, Sugar is the solute, and water is the solvent. a solution is the mixture of two, or more substances.




Hope that helps!!!
7 0
4 years ago
A chemist examines two compounds. Both are clear, odorless liquids. Which of the following would not
Gwar [14]

Answer: B.The product is also clear and odorless.

Explanation: since the two compounds are both clear and have no odor, therefore the product would be clear and odorless

7 0
3 years ago
Nitrogen gas plus hydrogen gas under pressure and at high temperature turns into ammonia.
Vaselesa [24]

Answer:

The correct answer is - option D.  N2 + 3H2 → 2NH3.

Explanation:

N₂ + 3H₂ →2 NH₃

would be the correct equation as both hydrogen and nitrogen gas present in diatomic form thus the reactant would be N2 and H2. The charges of every atom of hydrogen and -3 and hydrogen hav one positive so the coefficent would be 3 for making bonds in the equation.

4 0
3 years ago
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