3 years ago

Please help me urgent

Advanced Placement (AP)

1 answer:

Llana [10]3 years ago

6 0

I would help but I can’t understand the language sorry

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3. How many pounds of water could be raised in temperature 20°F by the 90% efficient burning of 30

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Answer:

$Raise = 1391.85\mu F$

Explanation:

Given

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$Gas = 30ft^3$

$Efficiency = 90\%$

Required

Determine the pounds of water

$1031BTU = 1ft^3$ of water

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The raise in pounds is then calculated as:

$Raise = Efficiency * Energy * Volume(gas) * cubic\ of\ water$

This gives:

$Raise = 90\%* \frac{1\mu F}{20BTU} * 30ft^3 * \frac{1031BTU}{1ft^3}$

$Raise = 90\%* \frac{1\mu F}{20BTU} * 30 * \frac{1031BTU}{1}$

$Raise = 90\%* \frac{1\mu F}{20} * 30 * \frac{1031}{1}$

$Raise = 90\%* \frac{1\mu F}{20} * 30 * 1031$

$Raise = 90\%* \frac{1\mu F}{20} * 30930$

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$Raise = 1\mu F * 1391.85$

$Raise = 1391.85\mu F$

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Please help me urgent​

Please help me urgent