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Firlakuza [10]
3 years ago
10

The specific heat of aluminum is 0.900 J/gº C. A 400.0 g sample of aluminum at 20.0º C absorbs 2520. J of heat energy. What is t

he new temperature of the aluminum?
Chemistry
1 answer:
Ipatiy [6.2K]3 years ago
8 0
I'm pretty sure it's 8 xd
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There are two physical properties of minerals that both result in smooth, flat surfaces with specific angles between them. The f
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Answer:

3. crystal habit and cleavage.

Explanation:

Crystal habit is a distinctive characteristic which is shown in its general shape,  crystallographic forms, how developed each form is.

Cleavage is the ability of a mineral to break in smooth planes parallel to zones of weak bonding. Cleavage in three directions at right angles (90o). Cubic cleavage. Cleavage in three directions not at right angles (120o and 60o).

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3 years ago
60 kg of fuel was completely burnt for an experiment. The amount of heat energy was found to be 180000KJ. Calculate calorific va
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Answer:

3000 kJ/kg

Explanation:

The calorific value of a substance is the amount of heat produced per unit mass by the combustion of the substance.

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m is the mass of the fuel

In this problem, we have:

m = 60 kg is the mass of fuel

Q=180,000 kJ is the amount of heat released

Therefore, the calorific value of the fuel is:

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3 years ago
How many moles of oxygen are in 1 mole of Fe(NO3)3?
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<span> There are 97.2 mol of O in 10.8 mol of Fe(NO3)3</span>
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The volume of a pond being studied for the effects of acid rain is 35 kiloliters (kL). There are 1,000 liters (L) in 1 kL and 1
Lerok [7]

Answer:

35,000,000,000 mL

Explanation:

You first multiply 35 times 1000.

35,000 L

Now you multiply 35,000 times 10^6

35,000,000,000 mL

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The theory general relativity was discovered by who
svetoff [14.1K]
<span>The theory general relativity was discovered by Albert Einstein </span>
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