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Anastaziya [24]
3 years ago
8

Which atoms combine together during fusion reaction on the sun?

Chemistry
2 answers:
PtichkaEL [24]3 years ago
8 0

Explanation:

its hydrogen I took the test and got it right

shusha [124]3 years ago
5 0

Answer:

Hydrogen

Explanation:

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Which equation represents a spontaneous transmutation
Ilya [14]
 The correct answer is:
<span>37/20Ca --> 37/19K + 0/+1e

Explanation:

</span>Transmutation, conversion of 1 element<span> into another. A transmutation entails an </span>amendment within the<span> structure of atomic nuclei and </span>thus is also <span>induced </span><span>by an </span>action<span> (q.v.), </span>like nucleon<span> capture, or occur </span>ad libitum<span> by </span>decay<span>, </span>like disintegration<span> and </span>disintegration<span>(qq.v.)</span>
8 0
3 years ago
Calculate the density of nitrogen gas, in grams per liter, at stp.
lesantik [10]

Standard temperature is 273 K

Standard pressure is 1 atm

We use the ideal gas equation to find out density of nitrogen gas in g/L

Ideal gas equation:

PV = nRT\\  PV = (\frac{Mass}{Molar mass)}RT\\   P(Molar mass) = (\frac{Mass}{Volume})RT\\  \frac{Mass}{Volume}=\frac{P(molar mass)}{RT} \\  Density = \frac{P(Molar mass)}{RT}

Molar mass of N_{2} = 28 g/mol

Pressure = 1 atm

Temperature = 273 K

Density = \frac{(1atm)(28 g/mol)}{(0.08206 \frac{L.atm}{mol.K})(273 K)}

= 1.25 g/L

Therefore, density of nitrogen gas at STP is 1.25 g/L

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3 years ago
2.91 moles of aluminum are how many grams(with work)
pentagon [3]
2.91 mol Al * ( 26.982 g Al / 1 mol Al) = 78.518 grams
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