Answer:
From the diagram, the water is being boiled. This process vaporises the water in the vessel leaving salt crystals behind.
Since the water is needed in liquid form, the cold water at the top of the set-up
condenses the vapor so it can be used.
<u>Answer:</u> The correct answer is Option B.
<u>Explanation:</u>
Dissolution of solids into liquids is defined as the dissolving of solid particles in liquid.
Rate of dissolution of solids in liquids depend on 4 main factors:
1.) Temperature: Increasing the temperature means more solute can be dissolved in the given amount of solvent because the energy of the solute particles increases and more it can interact with the solvent particles. The rate of dissolution of solid also increases in liquids.
2.) Size of the solute particles: If the solute particles is present in smaller size, more it can be dissolved because this action takes place on the surface of particles and decreasing the size increases the surface area of the solute particles. Hence, increasing the dissolution.
3.) Stirring: This process brings fresh solvent particles to come in contact with the solute particles and hence, fast stirring increases the rate of dissolution.
4.) Amount of solute already present in solvent: If more amount of solid is already present in the solvent, the dissolution rate decreases.
From the above information, the correct answer is Option B.
Minerals can be identified by their physical characteristics. The physical properties of minerals are related to their chemical composition and bonding. Some characteristics, such as a mineral’s hardness, are more useful for mineral identification. Color is readily observable and certainly obvious, but it is usually less reliable than other physical properties.
0.000003721
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Well, we need to find the ratio of Al to the other reactant.
Al:HCl = 1:3
--> this means that for every 1 Al used, you have to use 3 HCl.
6*3 = 18 moles of HCl needed to fully react with 6 moles of Al. Since 13<18, HCL is the limiting reactant.
The ratio of HCl:AlCl = 3:1
13/3 = 4.3333...
The final answer is HCl is the limiting reactant with 4.3 moles of AlCl3 able to be produced.
Hope this helps!!! :)
