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zaharov [31]
4 years ago
10

Watch the animation, then check off the samples that will conduct electricity.

Chemistry
1 answer:
Kazeer [188]4 years ago
5 0
I would say that the only sample that can conduct electricity is the
NaCl solution
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How many grams of Na2SO4 are theoretically produced when excess NaCl reacts with 400 grams of H2SO4
Gnom [1K]

Answer:

335.35 grams

Explanation:

Convert grams of H2SO4 to moles and get 4.08 moles.

Using stoichiometry, the chemical equation tells us that for every mole of H2SO4, one mole of Na2SO4 is produced.  This means that, theoretically, you should get 4.08 moles.

Convert moles to grams and get 335.34 g.

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If a neutral atom of beryllium has 4 protons and 5 neutrons, what is the mass number of the atom?
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4 years ago
pplication)Using multiple models simultaneously: This FNT refers to a processinvolving three moles of a diatomic gas (which beha
Fiesta28 [93]

Complete Question

Questions Diagram is attached below

Answer:

*  W=1142.86Joule

*  Q=997.7J

*  H=2140.5J

Explanation:

From the question we are told that:

Temperature T=337K

Pressure P=(60-55)Pa*10^5

VolumeV=(1.6-1.4)m^3*10^{-3}

Generally the equation for gas Constant is mathematically given by

\frac{P_2}{P_1}=\frac{V_1}{V_2}^n

 \frac{55*10^5}{60*10^5}=\frac{1.4*10^{-3}}{1.6*10^{-3}}^n

 n=0.65

Therefore

Work-done

 W=\int{pdv}

 W=\frac{55*10^5*1.6*10^{-3}*60*10^5*1.4*10^{-3}}{1-0.65}

 W=1142.86Joule

Generally the equation for internal energy is mathematically given by

 Q=mC_vdT\\\\Q=\frac{3*1*3.314*16}{1.4-1}

 Q=997.7J

Therefore

 H=Q+W

 H=997.7J-11.42.9

 H=2140.5J

5 0
3 years ago
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