What are the values of the missing forces?

Chemistry

1 answer:

bija089 [108]3 years ago

5 0

A: 12 N
B: 150 N
C: 100 N
D: 150 N
E: 220 N

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Suppose you had 2.0158 grams of (H2) how many moles of hydrogen do u have ?

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$\hbox { You have to calculate the Molecular Mass for H2:}$

$M_{H2} = 2A _{H2} = 2*1=2 \hbox { grames/mole}$

$\hbox { So, in 2,0158 grames of H you will have 1 mole...}$

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3 years ago

The reaction below is at equilibrium. What would happen if more carbon were

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Explanation:

$C_{(s)} + O_{2(g)} \rightleftharpoons CO_{2(g)}$

According to le ch-atelier's principle when a chemical reaction at equilibrium subjected to any stress, then the equilibrium shifts in that direction in which effect of stress is reduced.

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2 years ago

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The standard cell potential Ec for the reduction of silver ions with elemental copper is 0.46V at 25 degrees celsius. calculate

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Answer : The $\Delta G$ for this reaction is, -88780 J/mole.

Solution :

The balanced cell reaction will be,

$Cu(s)+2Ag^+(aq)\rightarrow Cu^{2+}(aq)+2Ag(s)$

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The half oxidation-reduction reaction will be :

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