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Citrus2011 [14]
4 years ago
15

How many multiple bonds in ch4

Chemistry
1 answer:
chubhunter [2.5K]4 years ago
7 0
It has 8 bonding electrons
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The density of aluminum is 2.70 g/cm'. If the volume of a piece of aluminum is 90.4 cm', what is
weeeeeb [17]

Answer:

33.4814814815

Explanation:

90.4/2.70

6 0
3 years ago
A 720. cm^3 vessel contains a mixture of Ar and Xe. If the mass of the gas mixture is 2.966 g at 25.0°C and the pressure is 760.
sleet_krkn [62]

Explanation:

The given data is as follows.

      Pressure (P) = 760 torr = 1 atm

      Volume (V) = 720 cm^{3} = 0.720 L

     Temperature (T) = 25^{o}C = (25 + 273) K = 298 K

Using ideal gas equation, we will calculate the number of moles as follows.

                                PV = nRT

   Total atoms present (n) = \frac{PV}{RT}

                                          = 1 \times \frac{0.720 L}{0.0821 \times 298}

                                           = 0.0294 mol

Let us assume that there are x mol of Ar and y mol of Xe.

Hence, total number of moles will be as follows.

               x + y = 0.0294

Also,      40x + 131y = 2.966

             x = 0.0097 mol

              y = (0.0294 - 0.0097)

                = 0.0197 mol

Therefore, mole fraction will be calculated as follows.

Mol fraction of Xe = \frac{y}{(x+y)}

                               = \frac{0.0197}{0.0294}

                              = 0.67

Therefore, the mole fraction of Xe is 0.67.

6 0
3 years ago
Vinegar produces carbon dioxide gas when combined with baking soda. Physical or chemical property?
Bas_tet [7]

Answer:

it's a chemical property

5 0
3 years ago
Under what pressure did 10L of gas change to if the original pressure was 4 atm on 3L?​
cluponka [151]

Answer:

11111

Explanation:

1110001001

3 0
3 years ago
A Solute is the part of the mixture that is<br> A. dissolved<br> B.used to dissolve a substance
8_murik_8 [283]
It is the thing being dissolved!!
5 0
3 years ago
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