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Crazy boy [7]
3 years ago
14

If an atom should form from its constituent particles,

Chemistry
1 answer:
tia_tia [17]3 years ago
8 0

Answer:

(b) matter is lost and energy is released

Explanation:

When atoms are being formed from its constituent components it weighs less this is called mass defect so the answer would be (b) matter is lost and energy is released.

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You open the refrigerator and take out a slice of leftover pizza. You put it in the microwave oven, turn it on, and watch for th
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2 years ago
________ are weak bonds that are not strong enough to hold atoms together to form molecules but are strong enough to form bonds
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<u>Hydrogen bonds </u>are weak bonds that are not strong enough to hold atoms together to form molecules but are strong enough to form bonds within and around large molecules.

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3 0
2 years ago
What mass of f2 is needed to produce 120. g of pf3 if the reaction has a 78.1% yield?
lesya692 [45]

write the equation for the reaction

that is 6 F2 +P4 =4 PF3

find the theoretical mass that is

let the theoretical yield be represented by y

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y= 153.6 grams

find the number of moles of  PF3

moles = mass/molar mass

= 153.6/87.97 =1.746 moles

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= 1.746 moles x38 g/mol = 99.6 grams

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