Question : Potassium chloride , KCl , dissolves in water . Draw a picture that shows...
Question : Potassium chloride , KCl , dissolves in water . Draw a picture that shows the hydration of the ions ( both the cation and the anion ) by water molecules . Be careful with the orientation of the water molecules , and depict any charges , partial charges , or dipole vectors .
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Question : Potassium chloride , KCl , dissolves in
water . Draw a picture that shows...
Question: Potassium chloride, KCl, dissolves in water. Draw a picture that shows the hydration of the...
Question: Potassium chloride, KCl, dissolves in water. Draw a picture that shows the hydration of the ions (both the cation and the anion) by water molecules. Be careful with the orientation of the water molecules, and depict any charges, partial charges, or dipole vectors.
UTILU URSUS VULLIG uraru. Question: Potassium chloride, KCI, dissolves in water. Draw a picture that shows...
UTILU URSUS VULLIG uraru. Question: Potassium chloride, KCI, dissolves in water. Draw a picture that shows the hydration of the ions (both the cation and the anion) by water molecules. Be careful with the orientation of the water molecules, and depict any charges, partial charges, or dipole vectors.
A student dissolves 12.1 g of potassium chloride (KCl) in 250. g of water in a...
A student dissolves 12.1 g of potassium chloride (KCl) in 250. g of water in a well-insulated open cup. He then observes the temperature of the water fall from 21.0 °C to 17.1 °C over the course of 6.9 minutes. Use this data, and any information you need from the ALEKS Data resource, to answer the questions below about this reaction: KCl(s) → K (aq) + Cl (aq) You can make any reasonable assumptions about the physical properties of the...
Chem 1 problem. Please answer all with steps. Thank you so much 2. When 26.6 g of potassium chloride dissolves in 300.0...
Chem 1 problem. Please answer all with steps. Thank you so
much
2. When 26.6 g of potassium chloride dissolves in 300.0 g of water, the temperature drops from 26.1°C to 11.7°C. The C of the calorimeter is 22.0 J/oC. cal (a) Write an equation for solid potassium chloride dissociating into ions when it dis- solves in water. (b) Is the reaction endothermic or exothermic? (c) What is the sign of AH? (d) What is the value of "q" for...
Potassium hydroxide completely dissolves in water. How would you best describe potassium hydroxide? O A weak...
Potassium hydroxide completely dissolves in water. How would you best describe potassium hydroxide? O A weak base O B. weak nold O strong acid OD strong base QUESTION 14 When an ionic compound dissolves in water A the hydrogen end of water molecules surround the cations B. none of these are correct o the oxygen end of water molecules surround both the anions and the cations on the oxygen end of water molecules surround the cations O E the oxygen...
4. How much energy is needed to convert 64.09 grams of water at 100.°C to steam...
4. How much energy is needed to convert 64.09 grams of water at 100.°C to steam at 128.40 °C? specific heat (steam) = 2.09 J/g°C specific heat (water) = 4.18 J/g°C heat of fusion = 6.02 kJ/mol heat of vaporization = 40.6 kJ/mol 144.42 kJ 25.21 kJ 152.03 kJ 3.80 kJ 148.23 kJ 5. The charges with sodium chloride are all balanced-for every positive sodium ion there is a corresponding negative chloride ion. Since its charges...
Question 19 4 pts When potassium carbonate, K2CO3, dissolves in water, the ions that are formed...
Question 19 4 pts When potassium carbonate, K2CO3, dissolves in water, the ions that are formed for each formula unit that dissolves are: K22+(aq) + C4+ (aq) + 302-(aq). 2K2+(aq) + C032" (aq) K22+(aq) + CO32-(aq) 2K*(aq) + CO32-lag)
2. Potassium bromide and sulfur dibromide both dissolve in water. Draw a diagram showing how potassium...
2. Potassium bromide and sulfur dibromide both dissolve in water. Draw a diagram showing how potassium bromide dissolves in water, including at least 4 water molecules (30) b) Describe the main difference between dissolving of potassium bromide in water, and dissolving of sulfur dibromide in water. (20) (21) 3. a) Determine the total and net ionic equations for the reaction below L,CO3(a) + 2 HBr → CO, +1,0, + 2 LiBr) b) Identify the spectator ion(s) in the reaction. (1T)...
1. 4. What property of water is responsible for water transport in plants? Question 4 options:...
1. 4. What property of water is responsible for water transport in plants? Question 4 options: a. moderation of temperature b. insulation c. its versatility as a solvent d. cohesion 5. 5. Which of the following explains what is happening when sodium chloride dissolves in water? Question 5 options: a. Covalent bonds are breaking and re-forming. b. More hydrogen bonds are forming between water molecules. c. Sodium and chloride atoms are separating from one another d. Hydration shells are...
Question 11 pts Match the definition with it's correct word. A mixture composed of a solute...
Question 11 pts Match the definition with it's correct word. A mixture composed of a solute dissolved in a solvent. [ Choose ] Solute Solution Soluble Miscible Insoluble Solvent Immiscible The greater substance that does the dissolving in a solution. [ Choose ] Solute Solution ...
Question: Potassium chloride, KCl, dissolves in water. Draw a picture that shows the hydration of the ions (both the cation and the anion) by water molecules. Be careful with the orientation of the water molecules, and depict any charges, partial charges, or dipole vectors.
UTILU URSUS VULLIG uraru. Question: Potassium chloride, KCI, dissolves in water. Draw a picture that shows the hydration of the ions (both the cation and the anion) by water molecules. Be careful with the orientation of the water molecules, and depict any charges, partial charges, or dipole vectors.
A student dissolves 12.1 g of potassium chloride (KCl) in 250. g of water in a well-insulated open cup. He then observes the temperature of the water fall from 21.0 °C to 17.1 °C over the course of 6.9 minutes. Use this data, and any information you need from the ALEKS Data resource, to answer the questions below about this reaction: KCl(s) → K (aq) + Cl (aq) You can make any reasonable assumptions about the physical properties of the...
Chem 1 problem. Please answer all with steps. Thank you so
much
2. When 26.6 g of potassium chloride dissolves in 300.0 g of water, the temperature drops from 26.1°C to 11.7°C. The C of the calorimeter is 22.0 J/oC. cal (a) Write an equation for solid potassium chloride dissociating into ions when it dis- solves in water. (b) Is the reaction endothermic or exothermic? (c) What is the sign of AH? (d) What is the value of "q" for...
Potassium hydroxide completely dissolves in water. How would you best describe potassium hydroxide? O A weak base O B. weak nold O strong acid OD strong base QUESTION 14 When an ionic compound dissolves in water A the hydrogen end of water molecules surround the cations B. none of these are correct o the oxygen end of water molecules surround both the anions and the cations on the oxygen end of water molecules surround the cations O E the oxygen...
Question 19 4 pts When potassium carbonate, K2CO3, dissolves in water, the ions that are formed for each formula unit that dissolves are: K22+(aq) + C4+ (aq) + 302-(aq). 2K2+(aq) + C032" (aq) K22+(aq) + CO32-(aq) 2K*(aq) + CO32-lag)
2. Potassium bromide and sulfur dibromide both dissolve in water. Draw a diagram showing how potassium bromide dissolves in water, including at least 4 water molecules (30) b) Describe the main difference between dissolving of potassium bromide in water, and dissolving of sulfur dibromide in water. (20) (21) 3. a) Determine the total and net ionic equations for the reaction below L,CO3(a) + 2 HBr → CO, +1,0, + 2 LiBr) b) Identify the spectator ion(s) in the reaction. (1T)...
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