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Shtirlitz [24]
3 years ago
9

All solutions are _____.

Chemistry
2 answers:
Afina-wow [57]3 years ago
6 0
Homogeneous mixtures will be your answer
hope this helps!
Flauer [41]3 years ago
4 0

Answer : The correct option is, homogeneous mixtures

Explanation :

True solution : It is a homogeneous mixture in which the two or more substance is dissolved in the solution. The particle size is between 0.1 nm to 1 nm, then the solution is considered as a true solution.

Colloid : It is solution in which the one substance is insoluble in another solution that means the insoluble substance rotating in the solution. The particle size is between 2 to 1000 nm, then the solution is considered as a colloid.

Suspension : It is solution in which the one substance is insoluble in another solution that means the insoluble substance is sedimented into the solution. It is a heterogeneous mixture. The particle size is greater than 1000 nm, then the solution is considered as a suspension.

Heterogeneous mixtures  : It is a mixture that appears non-uniformly throughout the solution and the particle size or shapes are also different.

Homogeneous mixtures  : It is a mixture that appears uniformly throughout the solution and the particle size or shapes are not different.

Hence, all solutions are homogeneous mixtures.

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What pressure will be exerted by 0.57 moles of CO2 at a temperature of 25°C and a volume of 500 ML? _____atm
svetlana [45]

The pressure exerted by 0.57 moles of CO2 at a temperature of 25°C and a volume of 500 ml is 28 atm.

<u>Explanation:</u>

According to ideal gas law,

                                      PV = nRT

where P represents the pressure of a gas,

          V  represents the volume of a gas,

          n represents the number of moles,

          R represents the gas constant = 0.0821 L atm / mol K.

          T represents the temperature of a gas.

Given V = 500 ml = 0.5 l,           T = 25°C = 298 K,   n = 0.57 mol

                                        PV = nRT

                                           P = nRT / V

                                              = (0.57 \times 0.0821 \times 298) / 0.5

                                          P = 28 atm.

The pressure of a gas is 28 atm.

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4 years ago
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oksano4ka [1.4K]
Hello.

 <span>HI + NaOH --> NaI + H2O 

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</span>
Have a nice day
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4 years ago
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