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stiks02 [169]
3 years ago
5

Please help!!

Chemistry
2 answers:
Phantasy [73]3 years ago
7 0
1.
cost in cents

cost = 5m



2.
miles = c + 2
Nesterboy [21]3 years ago
6 0

Answer:

1) c = 5cents/min × m

2) x = (2+c) miles

Explanation:

1) Cost paid per minute = 5 cents

Or we can also write it as cost per minute = 5 cents/min

Suppose Tom uses phone for m minutes, then cost (c)will be given an expression :

c = 5cents/min × m

2) Distance covered by Clint in a week = c  miles

Distance covered by Brenda =  x

Brenda runs 2 miles more each week than Clint.

x = (2+c) miles

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The primary difference between a hypothesis and a theory is that a hypothesis is falsifiable but a theory has been proven to be correct. An hypothesis is a proposed explanation put forward on the basis of limited evidence as a commencement point for further investigation, at the end of the investigation the theory may not be accepted if it failed to meet some criteria. A theory is a proven system of ideas used to explain a particular phenomenon.
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3 years ago
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4 mol / 205g H2O = 4/.205 = 19.5 mol/kg boiling point = 100 + 19.5 • 0.51 = 109 ºC
7 0
3 years ago
Which of the newman structures below represents this conformation of 2-methyl-3-pentanol, as viewed along the c2-c3 bond?
castortr0y [4]

Answer:

(4) option is correct

Explanation:

Given that,

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The structure of 2- methyl-3- pentanol is shown in figure.

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3 years ago
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yanalaym [24]

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aleksandrvk [35]

Answer:

1.514 moles

Explanation:

For this problem you want to use dimensional analysis and cancel out your molecules of sugar and be left with moles of sugar. We know that 1 mole (of anything) = 6.022 x 10 ^ 23 molecules, so we should use that conversion to help us. Start with 9.12 x 10 ^23 molecules and divide by 6.022 x 10 ^ 23 molecules, and you will be left with moles.

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