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Elza [17]
3 years ago
5

A cheeseburger from a fast food restaurant contains 19 g of fat, 20 g of carbohydrate, and 28 g of protein. how many kcal of ene

rgy does the cheeseburger contain? (the caloric values are: 4 kcal/g for carbohydrate, 9 kcal/g for fat, and 4 kcal/g for protein.) give the answer to 2 significant figures
Chemistry
1 answer:
Burka [1]3 years ago
3 0
I believe the answer is D
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What type of reaction is represented by the following chemical equation? Explain your answer. Thanks!:)
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Identify the reagents represented by the letters in the above reaction scheme. (enter your answer as a string of letters without
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Draw a complete structural formula and a condensed structural formula for(a) three compounds of formula C3H8O (b) five compounds
Marat540 [252]

Answer:

Explanation:

A. Attached is a page which contain the structural formula of the three compounds of C3H80.

Condensed structural formula of C3H8O:

Propan-1-ol: CH3CH2CH2OH

Propan-2-ol: CH3CH(OH)CH3

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3 years ago
Make the following conversion. 120 mL = _____ cm³ <br><br> 12.0<br> 1200<br> 120<br> 1.20
Lina20 [59]
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How many grams of NaOH are<br> needed to make 400. mL of<br> 1.50 M solution?
juin [17]

Answer:

24g of NaOH are required

Explanation:

Molarity, M, is an unit of concentration widely used in chemistry defined as the ratio between moles of solute (In this case, NaOH), and volume of solution in liters.

We can find the moles of NaOH and its mass with the volume and desired concentration as follows:

<em>Moles NaOH:</em>

400.0mL = 0.400L * (1.50mol / L) = 0.600 moles NaOH

<em>Mass NaOH -Molar mass: 40.0g/mol-:</em>

0.600 moles * (40.0g / mol) =

<h3>24g of NaOH are required</h3>
7 0
3 years ago
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