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mojhsa [17]
3 years ago
12

Which of the following must be true in order for a reaction to have no excess reactants?

Chemistry
1 answer:
o-na [289]3 years ago
4 0

Answer:

C) Reactants must be present in the exact molar ratios in the balanced chemical equations.

Explanation:

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n a laboratory experiment, John uses a mesh to separate soil particles from water. Which technique of separation is he using?
Klio2033 [76]
He is using the filtration method.
It’s a technique which is used for separation of solids and fluids by putting them through a medium which allows only fluid to pass through, leaving the solids (in this case the soil) alone.
The fluid that passed is called the filtrate.
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4 years ago
What is meant by the term specific heat?
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the heat required to raise the temperature of the unit mass of a given substance by a given amount (usually one degree).

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A 3.5L container has a gas pressure of 5.3atm. If the volume is decreases to 1.4L. What will be the new pressure inside the cont
Nat2105 [25]

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your answer for that problem is 34.5

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3 years ago
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Which is an example of the electromagnetic force?
Zarrin [17]

First to answer

Answer:

D: Protons that make up a nitrogen atom stays together in the nucleus

This is because a electromagnetic force is responsible for atomic structure, chemical reactions, the attractive and repulsive forces associated with electrical charge and magnetism, and other electromagnetic phenomena.

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3 years ago
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Sam and Joe are trying to determine whether their ideas are scientific or pseudoscientific. Sam's idea is not rejected when expe
xenn [34]

Answer:

See the complete question and the answer below

Explanation:

Sam and joe are trying to determine whether their ideas are scientific or pseudoscientific. sam's idea is not rejected when experiments produce different results. joe's idea gives the same result when tested repeatedly.  which statement is correct about sam and joe's idea?

<em>both ideas could be scientific. </em>

<em>neither idea could be scientific. </em>

<em>only sam's idea could be scientific. </em>

<em>only joe's idea could be scientific.</em>

<em />

The correct answer here would be that both ideas could scientific.

Scientific ideas are those that hold true or not rejected after being tested by different experiments. Pseudoscientific ideas cannot hold true after being tested by experiments.

If an idea is tested by repeated experiments and the experiments produce different results, the idea might remain unrejected if there are no overwhelming evidence to do so from the experiments. That an idea remains unrejected due to inadequate experimental evidence, however, does not mean it is scientific or unscientific.

In the same vein, that a repeatedly tested idea gives the same results does not mean that the idea is scientific unless the results say so. If results repeatedly go against the idea, it means such an idea is unscientific or pseudoscientific.

<em>Hence, both Joe and Sam's idea could be scientific, provided further experimental investigations are carried out.</em>

3 0
4 years ago
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