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Dmitrij [34]
2 years ago
15

Diethylene glycol is an organic compound used as a fuel in heating cans. Based on its structure and your data recorded in Data T

able 3, how do you hypothesize its energy efficiency (cal/g) compared to isopropanol and paraffin wax?
Chemistry
1 answer:
Firdavs [7]2 years ago
7 0

Due to its higher oxygen content and based on its structure dietheylene glycol has a higher energy efficiency (cal/g) compared to isopropanol and paraffin wax.

<h3>What is the calorific value of a fuel?</h3>

The calorific value of a fuel is the amount of heat energy released from the combustion of the fuel under standard conditions.

Dietheylene glycol, isopropanol and paraffin wax are all used as fuels.

However, due to it higher oxygen content and based on its structure, diethethylene glycol has a higher calorific value than either isopropanol or paraffin wax.

Therefore, dietheylene glycol has a higher energy efficiency (cal/g) compared to isopropanol and paraffin wax.

Learn more about calorific value at: brainly.com/question/12975147

#SPJ1

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Suppose you wanted to make 100 grams of water. how many moles of water are in 100 grams
statuscvo [17]

Answer:

5.56 moles H₂O

Explanation:

moles = mass of substance / formula weight of substance

∴moles H₂O = 100 grams / 18 grams/mole = 5.56 moles H₂O

4 0
2 years ago
Gallium (Ga) consists of two naturally occurring isotopes with masses of 68.926 and 70.925 amu. (a) How many protons and neutron
pav-90 [236]

Answer:

neutrons_{Ga-69}=38\\\\neutrons_{Ga-71}=40

Explanation:

Hello!

In this case, since isotopes of the same element have the same number of protons and electrons but different atomic mass, we can compute the number of neutrons by subtracting the number of protons to the atomic mass of the isotope; thus, for Ga-69 and Ga-71 (rounded up to whole numbers), we obtain:

neutrons_{Ga-69}=69-31=38\\\\neutrons_{Ga-71}=71-31=40

Best regards!

8 0
3 years ago
HELPPPPP ASAPPP PLZZZZ
makkiz [27]

Answer:

9

Explanation:

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6 0
2 years ago
Read 2 more answers
A water reclamation plant turns sewage water directly into drinking water.
yulyashka [42]
<span>A water reclamation plant turns sewage water directly into drinking water. 
a. true 
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The answer is true.</span>
3 0
2 years ago
A car is traveling in a straight line at a speed of 55 miles per hour. How fast is the car traveling in feet per second?
Andreas93 [3]

Answer:

 80.67 feet/sec

Explanation:

Use conversion factors:

But the figure of 1 minute = 3.600 seconds cannot be correct.  The last time I checked, there were 60 seconds in a minute.  There are, however, 3600 seconds in an hour, so I'll use that if the question ever comes up again.

(55 miles/hour)*(5,280 feet/mile)*(1 hour/3600 seconds) = seconds)

 = 80.67 feet/sec

7 0
2 years ago
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