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ikadub [295]
3 years ago
8

The density of gold is about 19.3 g/ml. what is the mass of a 50 mL gold nugget?

Chemistry
2 answers:
aev [14]3 years ago
7 0
If the question does not require unit conversion (mL to L) then: 

density = mass / volume
density . volume = mass
19.3g/mL . 50 mL =mass
965 g= mass 
nalin [4]3 years ago
4 0
965 g mass :) you're welcome
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A partir de la desintegración del Virreinato del Río de la Plata y durante todo el siglo XXI, los nuevos Estados nacionales que
nalin [4]

Answer:

Verdadero (True).

Explanation:

Después de la desintegración del citado virreinato, los nuevos Estados intentaron establecer sus fronteras, a menudo a través de guerras e invasiones. Cabe destacar la invasión brasileña de Uruguay o la Guerra de la Triple Alianza. En menor medida, lo hicieron a través de tratados internacionales. (After the disolution of the viceroyalship described above, the new States attempted to establish their frontier usually by wars and invasions. It is to highlight the Brazilian invasion of Uruguay or the Triple Alliance' War. In a lesser extent, they made it through international treaties.)

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3 years ago
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Explanation:

For the new dilute Sulphuric acid,

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Write the half-reactions as they occur at each electrode and the net cell reaction for this electrochemical cell containing indi
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Explanation:

The given cell reaction is as follows.

       In(s)| In^{3+}(aq) || Cd^{2+}(aq) | Cd(s)

Hence, reactions taking place at the cathode and anode are as follows.

At anode ; Oxidation-half reaction : In(s) \rightarrow In^{3+}(aq) + 3e^{-} ...... (1)

At cathode; Reduction-half reaction : Cd^{2+}(aq) + 2e^{-} \rightarrow Cd(s) ....... (2)

Hence, balance the half reactions by multiplying equation (1) by 2 and equation (2) by 3.

Therefore, net cell reaction is as follows.

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Net reaction: 2In(s) + 3Cd^{2+}(aq) \rightarrow 2In^{3+}(aq) + 3Cd(s)

Thus, we can conclude that the overall cell reaction is as follows.

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4 0
3 years ago
Did I get these correctly?
Luda [366]
Those are both correct! great job, keep up the good work (-:
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What causes a substance to be hydrophobic?
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