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3 years ago

4) A granola bar has a mass of 42.9 g and the granola bar contains 26.20% honey

Chemistry

1 answer:

nata0808 [166]3 years ago

7 0

Answer:

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

Explanation:

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

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Answer:

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Describe both water and other substances

2.High pressure will cause the solid to become liquid :

It describe none : neither water nor other substances 

This statement is :False for both water and other substances

3.The solid is more dense than the liquid :

It describe other substance

This statement is :False for water but true for other substances.

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It describes water:

This statement is :True for water because solid ice is less dense than liquid water.

False for other substance, they have positive slope

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Explanation:

Answers to statement 1 , 2,5 and 8

Answers to statement 1 , 2

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In Both for water and other substance

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Answers to statement 5,8 :

2.The Particles of solid are closely packed hence there is maximum force of attraction between the particle of solid as compared to liquid and gases .

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This also means that in liquid molecules are far apart .

Rest statement : 3, 4 ,6 ,7 are explained below(see attached image)

The molecules are closest in the liquid phase is false statement and does not describe both water and other substance

Ice floats on water. For most other substances, however, the solid sinks in the liquid.

This can be explained using the phase diagram of water :

The line DB is = the solid-liquid coexistence line

It has negative slope because , solid ice is less dense than liquid water . That is why ice floats on water because its density is less than water

Hence Water is described truly by statement 4,6, which are :

4. the solid-liquid coexistence line has a negative slope.

6.The solid is less dense than the liquid.

Rest 3,7 = describe by other substance

other substance : Solid is more dense than the liquid ,the solid-liquid coexistence line has a positive slope

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