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Musya8 [376]
3 years ago
14

Why are thermosoftening polymers not suitable for storing very hot food?

Chemistry
1 answer:
Alina [70]3 years ago
7 0
When hot food is placed inside the polymers it will melt, this is because there is weak attraction between polymer chains and thermosoftening so they melt and break away the bonds holding them together.
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If a frog initially contained 2 grams of carbon-14 and the half-life of carbon-14 is 5,730 years, how much carbon-14 remains in
andreyandreev [35.5K]
Half life is the time taken for a radioactive isotope to decay by half its original mass. In this case the half life of carbon-14 is 5.730 years. 
Using the formula;
New mass = original mass × (1/2)^n; where n is the number of half lives (in this case n=1 ) 
New mass = 2 g × (1/2)^1     
                  = 1 g
Therefore; the mass of carbon-14 that remains will be 1 g 
5 0
3 years ago
?cual es el tiempo de<br>onda con 6<br>oscilaciones.?​
Setler79 [48]

Answer:

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Explanation:

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7 0
3 years ago
Determine the molar mass for ammonia (NH3) in g/mol.
navik [9.2K]

Answer:

17.031 g/mol

Explanation:

5 0
3 years ago
4) A granola bar has a mass of 42.9 g and the granola bar contains 26.20% honey
nata0808 [166]

<u>Answer:</u>

The percentage of honey in one granola bar is 26.02 percent.  

<u>Explanation:</u>

The weight of 1 granola bar is 42.9 grams. The grams of honey that is present in one granola bar is equal to 26.02 percent of 42.9 = 11.16 g

Now the amount of honey in the factory is given as 189.5g the weight of total granola bars would be

                                     = 42.9/11.16 x 189.5= 728.25

So no. of granula bars =728.25/42.9 =16.9 that can be Approximated to nearly 17

Now if one box has 6 bars then 17 bars will have to fit inside three boxes  

7 0
3 years ago
A balloon that contains 0.750 moles of gas has a volume of 16.8 l. if the balloon expands to a volume of 25.4 l at a constant pr
fomenos

The answer is 1.13 mol

6 0
3 years ago
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