4 years ago

50 points!!! Match the definition to the keyword.

Chemistry

2 answers:

insens350 [35]4 years ago

4 0

Answer:

This is the same order as the definitions

Hope it helps

krok68 [10]4 years ago

3 0

Answer:

Cristae = 1

Diffusion = 4

Semipermeable = 3

Fermentation = 5

Carbon Fixation = 2

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3 years ago

If electromagnetic radiation has a frequency of 2.0×1015s−1, what is the radiation’s energy?(1 point)

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Frequency=v=2×10^15Hz
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$\\ \sf\longmapsto E=hv$

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3 years ago

How many moles of O₂ are needed to react completely with 35.0 mol of FeCl₃? *

densk [106]

Answer:

26.3 moles of O₂ are needed to react completely with 35.0 mol of FeCl₃

Explanation:

To determine the number of moles of O₂ that are needed to react completely with 35.0 mol of FeCl₃, it is possible to use the reaction stoichiometry of the reaction (that is, the relationship between the amount of reagents and products in a chemical reaction), and rule of three as follows: if 4 moles of FeCl₃ react with 3 moles of O₂, 35 moles of FeCl₃ with how many moles of O₂ will it react?

$molesofO_{2} =\frac{35 moles of FeCl_{3}*3 moles of O_{2} }{4 moles of FeCl_{3}}$