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Nana76 [90]
3 years ago
8

Is copper chloride homogeneous or heterogeneous?

Chemistry
1 answer:
Digiron [165]3 years ago
5 0
When copper chloride is added to water, it dissolves into the water since it is fairly soluble in water. The resulting mixture would be a solution. A solution is an example of a homogeneous mixture where it consists of a solute and a solvent. A homogeneous mixture is a type of mixture where the composition is uniform all throughout the system resulting to uniform properties as well. The opposite case is called an heterogeneous mixture where it consists of several components that are not uniformly distributed. Any point in this mixture would have different composition resulting to different properties in the mixture.
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Which molecule is a stereoisomer of trans-2-butene?
Elina [12.6K]

Answer:

D

Explanation:

Stereoisomers are molecules that have the same molecular formula but different 3-d arrangement of atoms. Three types exist but we are focusing on geometrical cis-trans isomerism here. In a single bond, the molecules can rotate around fixed points and there is no fixed 3-d geometry. In butene and other double-bond-containing molecules (the double bond is signified through the "-ene" suffix and the "-2-" indicates that the double bond begins on the second carbon in the chain), rotational motion is stopped by the double bond. This causes two different types of molecules to occur in nature: cis-2-butene, in which the carbon atom in the chain is on the same side at both ends of the double bond, and trans-2-butene, in which the carbon atom is on opposite sides (like a beach chair if the seat was a double bond). So the stereoisomer of trans-2-butene is cis-2-butene, which is Option D.

8 0
2 years ago
Please...help!
makkiz [27]
The atomic density cuases them to be different u can measure the weight mass density # 28 was cut off picture by the way
7 0
3 years ago
On the surface of earth where is calculated by what
miv72 [106K]

On the surface of the earth, weight is calculated by multiplying mass and gravity. Because we know the radius of the Earth, we can use the Law of Universal Gravitation to calculate the mass of the Earth in terms of the gravitational force on an object (its weight) at the Earth's surface, using the radius of the Earth as the distance.

I think this is the question you were trying to ask if not, ill try it again

6 0
3 years ago
How many particles are in 3.4 moles of HCl?
Lady_Fox [76]

Answer:

The volume is 77 L.

Explanation:

where P is pressure, V is volume, n is moles, R is the gas constant, and T is temperature in Kelvins.

The current STP temperature is 0∘C or 273.15 K (used for gas laws), and the pressure is 105Pa, which most people write as 100 kPa (both pressures are equal).

7 0
3 years ago
The following reaction mixture contains 0.22 M CH4, 0.67 M CO2 and 1.3 M H2O. Which of the following statements is TRUE concerni
Alekssandra [29.7K]

Answer:

Reaction is shifting left toward reactant side

Explanation:

4CuO(s) + CH₄(g) <=?=> CO₂(g) + Cu(s) + 2H₂O(g)

---------      0.22M             0.67M     -------    1.30M

Qc = [O₂(g)][H₂O(l)]²/[CH₄(g)] = (0.67)(1.30)²/(0.22) =5.12

Kc = 1.1 < Qc = 5.12 => Reaction is shifting LEFT and reactant concentrations are increasing with product concentrations decreasing. Qc will be decreasing and final Kc value will be lower than original Qc upon reaching equilibrium stability.  

_____________________

FYI Note => For reaction mixtures the following is a good guide to reaction response to applied system stress. Note the conclusion follows the direction the inequality symbol is pointing.  

Kc  <  Qc  => Rxn system is shifting Left

Kc =   Qc  => Rxn system is at equilibrium

Kc >  Qc  => Rxn system is shifting Right

6 0
3 years ago
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