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3 years ago

An apple pudding is prepared by combining apples, sugar, butter, and lemon juice. To which category does it belong?

2 answers:

8 0

The answer is B) Mixture. Compound is a substance with a fixed ratio of atoms, Like Fe2O3, all the pure compounds of Fe2O3 will have the same composition: 2 parts of element Fe and 3 parts of element O. Mixture is not homogeneous, this is its composition is not uniform. As you can see two different pies will have different compositions, even though you try that they are equal.

exis [7]3 years ago

3 0

B)mixture they need to be mixed

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Lostsunrise [7]

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3 years ago

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Veronika [31]

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3 years ago

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Antarctica, almost completely covered in ice, has an area

Marysya12 [62]

Answer: The mass of ice is $2.39\times 10^{22}g$

Explanation:

We are given:

Area of Antarctica = $5,500,000mi^2=5,500,000\times 2.59\times 10^{10}=142.45\times 10^{15}cm^2$ (Conversion factor: $1mi^2=2.59\times 10^{10}cm^2$ )

Height of Antarctica with ice = 7500 ft.

Height of Antarctica without ice = 1500 ft.

Height of ice = 7500 - 1500 = 6000 ft = $182.88\times 10^3cm$ (Conversion factor: 1 ft = 30.48 cm)

To calculate mass of ice, we use the equation:

$\text{Density of a substance}=\frac{\text{Mass of a substance}}{\text{Volume of a substance}}$

We are given:

Density of ice = $0.917g/cm^3$

Volume of ice = Area × Height of ice = $142.45\times 10^{15}cm^2\times 182.88\times 10^3cm=26051.26\times 10^{18}cm^3$

Putting values in above equation, we get:

$0.917g/cm^3=\frac{\text{Mass of ice}}{26051.26\times 10^{18}cm^3}\\\\\text{Mass of ice}=(0.917g/cm^3\times 26051.26\times 10^{18}cm^3=2.39\times 10^{22}g$

Hence, the mass of ice is $2.39\times 10^{22}g$

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3 years ago