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astra-53 [7]
3 years ago
5

Scientists in a lab are working on a series of experiments that involve colliding two or more atomic nuclei at very high speeds

to form a new type of atomic nucleus. What are they working on?
convection
radiation
nuclear fusion
nuclear fission
Chemistry
2 answers:
SashulF [63]3 years ago
6 0
Answer should be nuclear fusion
Ket [755]3 years ago
5 0

Answer: Scientists are working on nuclear fusion process. Nuclear fusion is the process in which two atomic nuclei combine to form another nuclei. In the process either energy is absorbed or released due to the difference in the mass of reactants and products.

Explanation:

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Answer:

a) the minimun of acetic anhydride required for the  reaction is 2.175 g (CH3CO)2O

b) V acetic anhydride = 2.010 mL

Explanation:

  • balanced reaction:

      C6H4OHCOOH + (CH3CO)2O  ↔  C9H8O4 + C2H4O2

⇒ mol salicylic acid = 2.94 g C6H4OHCOOH * ( mol C6H4OHCOOH / 138.121 g ) = 0.0213 mol C6H4OHCOOH

⇒ mol acetic anhydride = 0.0213 mol C6H4OHCOOH * ( mol (CH3CO)2O /  mol  C6H4OHCOOH ) = 0.0213 mol (CHECO)2O

⇒ g acetic anhydride = 0.0213 mol * ( 102.1 g/mol ) = 2.175 g CH3CO)2O

b) V = 2.175 g (CH3CO)2 * ( mL / 1.082 g ) = 2.010 mL (CH3CO)2O

4 0
2 years ago
Which of the following would be a good use for a nonmetal? handle of frying pan electrical wires structural components in buildi
lora16 [44]

Handle of frying pan would be a good use for a nonmetal. A nonmetal is neither a good thermal insulator nor a good electrical conductor. Because it is neither, it can be use as a semiconductor. It does not absorb heat that much that is why it is best in insulating.

7 0
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MaRussiya [10]
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Answer:

554.86kj

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Answer is: true.

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Quantity demanded is the quantity of a commodity that people are willing to buy at a particular price at a particular point of time.

Quantity demanded can change at the same price depending upon factors like recession, changes in the taste of the consumer.

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