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rjkz [21]
3 years ago
9

Can a mini fridge still be used if you break the freezer

Chemistry
1 answer:
Romashka [77]3 years ago
8 0
The fridge part can, just not the freezer, I think.
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What is the nuclear binding energy of an atom that has a mass defect of 5.0446
notsponge [240]

Answer:

<em>Option C: 4.54 x </em>10^{11}<em> KJ/mol of nuclei</em>

<em>Note: </em>Here in this question option C is not correctly put. It is 4.54 x10^{11} rather than 4.54 x 10^{-123}.

Explanation:

If mass defect is known, then nuclear binding energy can easily be calculated, here's how:

First step is to convert that mass defect into kg.

Mass defect = 5.0446 amu

Mass defect = 5.0466 x 1.6606 x 10^{-27}

Because 1 amu = 1.6606 x 10^{-27} Kg.

<em>Mass defect = 8.383 x </em>10^{-27}<em> kg.</em>

Now, we need to find out it's energy equivalent by using following equation:

Using the equation E = mc²:

where c= 3.00 x 10^{8} m/s²

E = (8.383 x 10^{-27}) x (3.00 x 10^{8})²

E = 7.54 x 10^{-10} J  this energy is in Joules but nuclear binding energy is usually expressed in KJ/mol of nuclei. Let's convert it:

(7.54 x 10^{-10} Joule/nucleus)x(1 kJ/1000 Joule)x(6.022 x 10^{23} nuclei/mol) =  

<em>4.54 x </em>10^{11}<em> kJ/mol of nuclei .</em>

E = <em>4.54 x </em>10^{11}<em> kJ/mol of nuclei .</em> So, this is the nuclear binding energy of that atom, which is option  C.

<em>Note:</em> Here in this question option C is not correctly put. It is 4.54 x10^{11} rather than 4.54 x 10^{-123}

4 0
3 years ago
Read 2 more answers
In a chromatography experiment, chlorophyll pigments are separated using paper. What is the stationary phase in this experiment?
Bond [772]
Answer:
The stationary phase in chromatography experiment is paper.

Explanation:
In chromatography experiment, the stationary phase is defined as the fixed substance that is necessary to start chromatography. In our case, this fixed substance is paper, so that makes paper our stationary phase.

Hope this helps :)
4 0
3 years ago
Read 2 more answers
A worker at a nuclear power plant has noticed that his dosimeter alarm has
Sphinxa [80]

Answer:

Radiation is being released from the reactor.

Explanation:

( A P E X )

5 0
2 years ago
Which of the following is a physical change. A piece of magnesium metal formed bubbles when dropped in acid
uysha [10]

H2O became a vapor when heated because thats the only one that can go back to its normal state, which is what a physical change is.


3 0
3 years ago
Why are people against saving the ozone layer?
nalin [4]
Because they don't care and think the ozone layer is fine.
3 0
2 years ago
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