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Pani-rosa [81]
3 years ago
8

When the moon moves directly between the sun and Earth and casts its shadow over part of Earth, you are

Chemistry
2 answers:
Vikki [24]3 years ago
8 0
C lunar Eclipse should be correct
chubhunter [2.5K]3 years ago
7 0

Answer:C

Explanation:you are seeing a lunar eclipse when the moon moves directly between the sun and the earth and casts a shadow. Hope this helps!

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Complete the reaction, which is part of the electron transport chain. The abbreviation Q represents coenzyme Q. Use the appropri
fredd [130]

Answer:

x = 2+

Explanation:

1) FADH2 + Q => FAD + QH2

Since H is added to Q

=> Reactant reduced is Q

(2) Balancing charges on both sides of the equation gives:

QH2 + 2 cyt c(Fe3+) => Q + 2 cyt c(Fe2+) + 2 H+

Thus x = 2+

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3 years ago
What occurs when potassium reacts with chlorine to form potassium chloride?
schepotkina [342]

The potassium will donate one of its valence electrons

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At what point does the radiation start to affect satellites in the atmosphere
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2 years ago
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slamgirl [31]

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5 0
3 years ago
what is the concentration (molarity) of a solution where 149g of kcl is dissolved in enough water to get a total volume of the s
Anit [1.1K]
Molar mass KCl = 74.55 g/mol

Number of moles:

mass KC / molar mass

149 / 74.55 => 1.998 moles 

Volume in liters: 500 mL / 1000 => 0.5 L 

Therefore:

M = moles / volume

M = 1.998 / 0.5

M = 3.996 mol/L⁻¹
4 0
3 years ago
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