3 years ago

soaps feel slippery on our hands because they dissolve the oil on our skin, decreasing friction. this is because soap contains

1 answer:

4 0

Because the oily part of its molecule tends to lay up against solid surfaces, but without much in the way of areas of electric charge that would cause it to stick more firmly to that surface.

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Question

guapka [62]

Answer:

677

Explanation:

took the test

it said that it was wrong but then it also said the total bond energy of the reactants is 677 kJ/mol. the correct one was 854, i guess.

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3 years ago

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Both male and female rats have genotype Bb. Based on the Punnett square below and according to Mendel’s law of dominance, which

olga2289 [7]

The offspring will have white hair is the correct answer, as white hair is the recessive gene.

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2 years ago

In a physical change the make up of matter is changed. O True O False

n200080 [17]

Answer:

yes it is true

Explanation:

evaporation occurs when burning liquid water changes into gas.

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3 years ago

Would you classify silicone as a element or compound

bearhunter [10]

The answer is element

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3 years ago

Express the result of the following calculation in scientific notation: 0.0263 cm2÷ 88.2 cm

VikaD [51]

Answer: The result of the given calculation is $2.98\times 10^{-4}cm$

Explanation:

Scientific notation is defined as the notation in which a number is expressed in the decimal form. This means that the number is always written in the power of 10 form.

We are given an expression:

$\Rightarrow \frac{0.0263cm^2}{88.2cm}$

The operation carried out in the above expression is division operation. The units are also treated in the same way.

The solution for the above expression is:

$\Rightarrow \frac{0.0263cm^2}{88.2cm}=0.000298cm$

The value in scientific notation is $2.98\times 10^{-4}cm$

Hence, the result of the given calculation is $2.98\times 10^{-4}cm$

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4 years ago