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Fudgin [204]
3 years ago
9

Can someone help me asap

Chemistry
1 answer:
Kobotan [32]3 years ago
4 0

answer:

A

explanation:

it have to be balanced to form water

and water is H2O

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Maksim231197 [3]

Answer:

Explanation:

Assumptions

  • They would ionize completely, or you must assume that.  
  • The volumes must be the same as well.
  • 0.11M Cu(NO3)2 ===> 0.11MCu2+   + 0.22 NO3-

Note

The concentrations would merely add. All things change if the assumptions I've made are not true.

3 0
3 years ago
Some students decide to plant their own garden. They want to eat a more plant-based diet For meat, they will buy locally from a
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composting scraps

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7 0
3 years ago
Two linear hydrocarbons, Hexane (C6H14) and Heptane (C7H16), form pretty much an ideal solution at any composition. A solution i
Anettt [7]

Answer:

y_{C_6H_{14}}=0.92

Explanation:

Hello,

At first, we compute liquid-phase molar fractions:

n_{C_6H_{14}}=463.96 g*\frac{1mol}{86g} =5.3949molC_6H_{14}\\n_{C_7H_{16}}=667.71 g*\frac{1mol}{100g} =6.6771molC_7H_{16}\\x_{C_6H_{14}}=\frac{5.3949}{5.3949+6.6771} =0.447\\x_{C_7H_{16}}=1-x_{C_6H_{14}}=0.553

Now, by means of the fugacity concept, for hexane, for instance, we have:

f_{C_6H_{14}}^V=f_{C_6H_{14}}^L\\y_{C_6H_{14}}p_T=x_{C_6H_{14}}p_{C_6H_{14}}

In this manner, at 25 °C the vapor pressure of hexane and heptane are 0.198946 atm and 0.013912 atm repectively, thus, the total pressure is:

p_T=x_{C_6H_{14}}p_{C_6H_{14}}+x_{C_7H_{16}}p_{C_7H_{16}}\\p_T=0.447*0.198946 atm +0.553*0.013912 atm=0.096622atm

Finally, from the hexane's fugacity equation, we find its mole fraction in the vapour as:

y_{C_6H_{14}}=\frac{x_{C_6H_{14}}p_{C_6H_{14}}}{p_T}=\frac{0.447*0.198946 atm}{0.096622atm} \\y_{C_6H_{14}}=0.92

Best regards.

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3 years ago
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