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My name is Ann [436]
3 years ago
13

A student made peanut butter bars by pressing a layer of graham cracker crumbs into a baking pan. Next, the student added a laye

r of a peanut butter mixture and then added a layer of crushed peanuts. Lastly, the student added a layer of chocolate frosting.
The process of making peanut butter bars is most like the formation of what type of rock?

Igneous

Metamorphic

Sedimentary

Magma
Chemistry
2 answers:
Lelechka [254]3 years ago
5 0
It’s sedimentary, which is formed by compressing layers of sediment.

Igneous comes from volcanoes
Metamorphic start as one kind of rock, then change to another
Magma is like igneous
kipiarov [429]3 years ago
4 0

Answer:

i am pretty shure it is c soooo sorry if i wroung

Explanation:

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3 years ago
What is the mole fraction of potassium dichromate, K2Cr2O7, in a solution prepared from 24.42 g of potassium dichromate and 240.
Harrizon [31]

Answer:

6.19\times 10^{-3} is the mole fraction of potassium dichromate.

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Moles of  potassium dichromate =n_1=\frac{24.42 g}{294.185 g/mol}=0.0830 mol

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Moles of water =n_2=\frac{240.0 g}{18.015 g/mol}=13.3222 mol

Mole fraction is calculated by:

\chi_1=\frac{n_1}{n_1+n_2}

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Answer:

Logarithmic scale called pH

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