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scoundrel [369]
2 years ago
6

A warm front is heading toward Chicago. Which type of weather would one expect when it arrives?

Chemistry
2 answers:
nikklg [1K]2 years ago
5 0
B. warm and sunny
but if there is a cold front already in chicago and they collide it would be
a. warm and rainy
QveST [7]2 years ago
4 0

Answer:

warm and rainy

Explanation:

because we expect a warm and rainy weather when the warm front is approaching

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How many chiral centers does clavulanic acid have?
VikaD [51]

Answer:

Clavulanic acid has two (2) chiral centers.

Explanation:

A chiral center is a center (usually carbon) with four different substituents.

The structure of clavulanic acid is shown in the attachment below.

Consider the labeled diagram in the attachment,

Carbon A is not a chiral carbon because it has two hydrogen atoms attached to it

Carbon B is not a chiral carbon because it has only three substituents

Carbon C is a chiral carbon because it has four different substituents

Carbon D is a chiral carbon because it has four different substituents

Carbon E is not a chiral carbon because it has only three atoms directly attached to it

Carbon F is not a chiral carbon because it has only three atoms directly attached to it

Carbon G is not a chiral carbon because it has two hydrogen atoms attached to it

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Then, only carbons C and D are chiral carbons.

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How many moles are in 272 grams of hydrogen peroxide (H2O2) ?
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8 moles

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When we are asked to convert from grams of a substance into moles, we have to use the substance's molar mass.

Meaning that for this problem, we'll <em>use the molar mass of hydrogen peroxide</em> (H₂O₂), as follows:

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There are 8 moles in 272 grams of hydrogen peroxide.

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