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iren [92.7K]
3 years ago
7

Which of the following methods will usually cause a reaction to speed up? Combining the reactants at a lower temperature. Reduci

ng the concentration of reactants. Grinding one of the reactants into a powder. Removing the catalyst.
Chemistry
2 answers:
Aneli [31]3 years ago
6 0
Ans: grinding one of the reactants into a powder.

this increases the surface area and hence there would be more chances of collisions happening. therefore reaction rate would increase
vredina [299]3 years ago
3 0

The answer is A. Changing the temperature from 90ºC to 40ºC

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3 years ago
How many moles are there in 3.612 x 1024 molecules of CaO?
melamori03 [73]

The number of moles in  3.612 x 10²⁴ molecules of CaO is  6 moles.

<h3>Number of moles in the molecules</h3>

The number of moles in  3.612 x 10²⁴ molecules of CaO is calculated as follows;

6.02 x 10²³ molecules = 1 mole

3.612 x 10²⁴ molecules = ?

= (3.612 x 10²⁴ ) / (6.02 x 10²³ )

= 6 moles

Thus, the number of moles in  3.612 x 10²⁴ molecules of CaO is  6 moles.

Learn more about number of moles here: brainly.com/question/15356425

3 0
2 years ago
Analyze the map. How would the temperature on the east coast of South America (near Brazil) differ from the west coast of South
hjlf

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3 years ago
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In the context of neurotransmitters, which of the following best describes the effect of norepinephrine stimulation?
telo118 [61]
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6 0
3 years ago
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If 9.5 × 10²⁵ molecules of CO₂ are produced in a combustion reaction, what is the mass in kg of CO₂ that is produced?
Leno4ka [110]

Answer:

6.9428 kg of CO2

Explanation:

1) Use Avogadro's number that states 1 mole = 6.022 x 10^23 particles. Convert 9.5 x 10^25 molecules into moles.

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6.9428 kg

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3 years ago
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