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matrenka [14]
4 years ago
8

Pls help will give crown to best answer! 20 points!

Chemistry
1 answer:
steposvetlana [31]4 years ago
4 0
The answer is b. decreases; left to right

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At night,plants take in the gas of​
IgorC [24]

Answer:

Oxygen.

Explanation:

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5 0
4 years ago
Although Rutherford is credited with the famous gold foil scattering experiment, he didn’t actually conduct this experiment hims
DerKrebs [107]
If he was the primary scientist doing it as he did alot of the heavy lifting then yes its ok, but i also think how the others should also me at least mentioned. Or they could just not name the experiment by a person just so its not too biased
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3 years ago
During a reaction 24 cubic cm of carbon dioxide was given off. After 8 minutes no more gas was produced and the reaction was com
yuradex [85]

Answer:

Explanation:

Given parameters:

Volume of CO₂ = 24cm³

time taken for the reaction to complete = 8minutes.

Unknown:

rate of reaction

Soution

The reaction rate is a measure of speed of a chemical reaction. It is often calculated using the expression below:

    Reaction rate = \frac{change in concentration of reactant/product}{time taken}

   Reaction rate = \frac{24}{8} = 3cm³/min

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7 0
3 years ago
Read 2 more answers
What molecule is used to capture light energy? view available hint(s) what molecule is used to capture light energy? chlorophyll
weeeeeb [17]
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7 0
3 years ago
Which element would most likely have a positive electron affinity?
Free_Kalibri [48]
The correct answer is Na, Sodium metal 
Electron affinity is the change in energy of a neutral atom or molecule when an electron is added to the atom to form a negative ion. In simple terms it is the likelihood of gaining an electron. Nonmetals like to gain electrons to form anions to have a fully stable electron shell, while metals lose electrons to form cations and have a stable electron shell. Argon atom for example in the gas phase; gives off energy when it gains an electron to form an ion of Argon. 
6 0
3 years ago
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