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Margaret [11]
3 years ago
6

If a stack of 1,008 alkali fuel cells in series generates 14,800 W of power, and each cell contributes equally to the power of t

he stack, how much power does each cell contribute? (Write the answer to one decimal place.)
Chemistry
1 answer:
valkas [14]3 years ago
5 0

Answer:

I got 14.7 W each

14,800 divided by 1,008 is 14.682539 which is 14.7 to 1dp. Sorry if this is wrong.

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Two substances A and B, initially at different temperatures, are thermally isolated from their surroundings and allowed to come
Elden [556K]

Answer:

B

Explanation:

For solving this we need a heat balance

Q_{a} = Q_{b}\\m_{a}*C_{a}*\Delta T_{a} = m_{b}*C_{b}*\Delta T_{b}

By changing the corresponding relations, we have

m_{a}*C_{a}*\Delta T_{a} = \frac{1}{2}m_{a}*4C_{a}*\Delta T_{b} \\\\\\

By cancelling similar factor, we obtain

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3 years ago
Your classmate is viewing a sample using high power and is about to refocus using the coarse adjustment knob. What would you rec
Maurinko [17]

Answer:

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In this case, I would recommend using the fine adjustment knob and moving away from the end of the viewing area of the microscope so there would no collision take place. The fine adjustment will help to get a clear image.

7 0
2 years ago
If an object has a mass of 180 g and a density of 6 g/cm^3, what is the volume of the object?
cupoosta [38]

Answer:

<h3>The answer is 30 cm³</h3>

Explanation:

The volume of a substance when given the density and mass can be found by using the formula

volume =  \frac{mass}{density} \\

From the question

mass = 180 g

density = 6 g/cm³

We have

volume =  \frac{180}{6}  \\

We have the final answer as

<h3>30 cm³</h3>

Hope this helps you

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3 years ago
7) How many total atoms are there in 2.21 moles of magnesium bromide?
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Explanation:

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