2 years ago

Which of the following would not be studied within the topic of stoichiometry?

Chemistry

1 answer:

Ostrovityanka [42]2 years ago

4 0

Answer:

The amount of energy required to break the ionic bonds in CaF2.

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Calculate the number of Carbon atoms in 1.50g of C6H12O6

Whitepunk [10]

Answer:

3.01 ·10↑22

Explanation:

First you want to convert the grams of Glucose to moles of Glucose.

$\frac{1.5 grams of glucose}{180.15588grams/molesglucose} =.008326 Moles of Glucose$

Next find the formula units of glucose.

.008326Moles of Glucose · 6.022 · 10↑23Forumula Units*Moles↑-1 =

5.01 ·10↑21 Formula Units of Glucose

Now multiply the formula units of glucose by the amount of each element in the molecule.

So for Carbon:

6carbon · 5.01 · 10↑21 = 3.01 · 10↑22

(please mark as Brainliest)

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3 years ago

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21,980 mg of phosphorus reacts in a gas jar containing oxygen. The resulting oxide weighed 50.000 g. The percent composition of

stealth61 [152]

Answer: False

Explanation:

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3 years ago

If you compare the egg to a cell, what did you learn about how water moves into or out of a cell? What about salt water? Why doe

Leto [7]

If we compare a cell with an egg there is a major difference between the outer membrane

in case of cell they are bounded by semi permeable membrane

The semi permeable membrane is a selectively permeable membrane which allows the movement of only solvent molecule and not solute molecules through it.

So water can move into or out of the cell through cell membrane by a special physical process known as osmosis.

the water will move from a low concentration gradient to high concentration gradient.

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2 years ago

Calculate mole fraction of benzene (70 g) having 30 gram of mass of carbon tetrahedral

Fynjy0 [20]

Moles of benzene

70/90=7/9=0.8mol

moles of CCl_4

30/154
0.2mol

Now

$\\ \rm\Rrightarrow \chi_{C_6H_6}$

$\\ \rm\Rrightarrow \dfrac{\chi_{C_6H_6}}{\chi_{sol^n}}$

$\\ \rm\Rrightarrow \dfrac{0.8}{0.8+0.2}$

$\\ \rm\Rrightarrow \dfrac{0.8}{1}$

$\\ \rm\Rrightarrow 0.8$

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2 years ago

2NH3 + MgSO4 + 2H20-→ Mg(OH)2 + (NH4)2SO4

gayaneshka [121]

Chemistry msg for 78 mgSO 5.4 answer is NH3

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2 years ago

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