Homework Answers
5. Ice is cooler than drink. So here is absorbed haet from drink
D. B and A
6. A chemical reaction heat energy is absorbed . it is called endothermic reaction. So photosynthesis is edothermic reaction
A. endothermic
7. Volume is directly proportinal to temperature > Temperature is increases volume is increases.
B. the volume is increases
8. From avogadro's law
B. number of molecules
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Ice cools down a drink because the ice is colder than the drink and heat flows...
Determination Of The Molar Heat of Fusion Of Ice Purpose The purpose of this result with its reported value that is s 6...
Determination Of The Molar Heat of Fusion Of Ice Purpose The purpose of this result with its reported value that is s 6.01 kJ/mol. The molar heat of fusion (AH) of ice is the amount of heat required to melt 1 mole of ice experiment is to determine the molar heat of fusion of ice and compare the experimental Definition Heat of fusion of ice is the amount of heat required to melt ice. The more the ice to melt,...
An ice bag containing 0°C ice is much more effective in absorbing heat than one containing...
An ice bag containing 0°C ice is much more effective in absorbing heat than one containing the same amount of 0°C water. The specific heat capacity of water is 1.00 kcal/(kg · °C), and its latent heat of fusion is 79.8 kcal/kg. (a) How much heat in kcal is required to raise the temperature of 0.740 kg of water from 0°C to 26.0°C? (b) How much heat is required to first melt 0.740 kg of 0°C ice and then raise...
An ice bag containing 0°C ice is much more effective in absorbing heat than one containing...
An ice bag containing 0°C ice is much more effective in absorbing heat than one containing the same amount of 0°C water. The specific heat capacity of water is 1.00 kcal/(kg . °C), and its latent heat of fusion is 79.8 kcal/kg. (a) How much heat in kcal is required to raise the temperature of 0.510 kg of water from 0°C to 24.0°C? kcal (b) How much heat is required to first melt 0.510 kg of 0°C ice and then...
An ice bag containing 0°C ice is much more effective in absorbing heat than one containing...
An ice bag containing 0°C ice is much more effective in absorbing heat than one containing the same amount of 0°C water. The specific heat capacity of water is 1.00 kcal/(kg - °C), and its latent heat of fusion is 79.8 kcal/kg. (a) How much heat in kcal is required to raise the temperature of 0.930 kg of water from 0°C to 30.0°C? kcal (b) How much heat is required to first melt 0.930 kg of 0°C ice and then...
1) The reaction below is exothermic 2SO2 (g) + O2(g) = 2803(g) + heat Le Châtelier's...
1) The reaction below is exothermic 2SO2 (g) + O2(g) ⇌ 2SO3(g) + heat Le Châtelier's Principle predicts that _______ will result in an increase in the number of moles of SO3 (g) in the reaction container. Which direction will the reaction shift: ? left or right A) increasing the volume of the container B) increasing the amount of SO2 C) removing some oxygen D) increasing the temperature E) decreasing the pressure 2) Consider the following reaction at equilibrium: 2SO2 (g) + O2 (g) ⇌ 2SO3 (g) + heat ΔH...
ak home Scraping ice off the window of my car is no fun, how much heat...
ak home Scraping ice off the window of my car is no fun, how much heat would be required to melt 2-5 grams of ice using a hairblow dryer? Practice the following heat equation problems. 1. After a long day of school, your walk home 4. Scrap through the brisk fall air has given you the craving for hot chocolate. Calculate the Equation nece amount of heat necessary to warm 100 grams of milk from 100°C to 150 °C. (specific...
CHAPTER 9 REVIEW QUESTIONS 1. How much heat is required to raise the temperature of a...
CHAPTER 9 REVIEW QUESTIONS 1. How much heat is required to raise the temperature of a 0.04 kg stainless steel spoon from 20°C to 50°C if the specific heat of stainless steel is 0.50 kJ/kg-C? (A) 200 (B) 400 (C) 600 (D) 800) (E) 2000 5. An ideal gas is confined to a container whose volume is fixed. If the container holds n moles of gas, by what factor will the pressure increase if the absolute temperature is increased by...
CHAPTER 9 REVIEW QUESTIONS 1How much heat is required to raise the temperature of a 0.04...
CHAPTER 9 REVIEW QUESTIONS 1How much heat is required to raise the temperature of a 0.04 kg stainless steel spoon from 20°C to 50°C if the specific heat of stainless steel is 0.50 k/kg-C? 5. An ideal gas is confined to a container whose volume is fixed. If the container holds n moles of gas, by what factor will the pressure increase if the absolute temperature is increased by a factor of 27 (A) 200J (B) 400 J (C) 600...
CHAPTER 9 REVIEW QUESTIONS 1. How much heat is required to raise the temperature of a...
CHAPTER 9 REVIEW QUESTIONS 1. How much heat is required to raise the temperature of a 0.04 kg stainless steel spoon from 20°C to 50°C if the specific heat of stainless steel is 0.50 kJ/kg-C? (A) 200 (B) 400 (C) 600 (D) 800) (E) 1000 5. An ideal gas is confined to a container whose volume is fixed. If the container holds n moles of gas, by what factor will the pressure increase if the absolute temperature is increased by...
9. Predict the products of the reactions below and balance the equations. If no reaction would...
9. Predict the products of the reactions below and balance the equations. If no reaction would occur, write NR. (4 points each) (a) 241 +312 -2A113 (b) Ba(OH)2 + HBI BaBr 2 + H2O (c) C&H 206 + O2 → 10. What volume of a 2.00 M solution of AuCl2 would be necessary to give 1.65 g of AuCiz? (5 points) 11. A solution of KOH was titrated with 0.1423 g of HBr. If 3.08 mL of KOH solution were...
Determination Of The Molar Heat of Fusion Of Ice Purpose The purpose of this result with its reported value that is s 6.01 kJ/mol. The molar heat of fusion (AH) of ice is the amount of heat required to melt 1 mole of ice experiment is to determine the molar heat of fusion of ice and compare the experimental Definition Heat of fusion of ice is the amount of heat required to melt ice. The more the ice to melt,...
An ice bag containing 0°C ice is much more effective in absorbing heat than one containing the same amount of 0°C water. The specific heat capacity of water is 1.00 kcal/(kg . °C), and its latent heat of fusion is 79.8 kcal/kg. (a) How much heat in kcal is required to raise the temperature of 0.510 kg of water from 0°C to 24.0°C? kcal (b) How much heat is required to first melt 0.510 kg of 0°C ice and then...
An ice bag containing 0°C ice is much more effective in absorbing heat than one containing the same amount of 0°C water. The specific heat capacity of water is 1.00 kcal/(kg - °C), and its latent heat of fusion is 79.8 kcal/kg. (a) How much heat in kcal is required to raise the temperature of 0.930 kg of water from 0°C to 30.0°C? kcal (b) How much heat is required to first melt 0.930 kg of 0°C ice and then...
ak home Scraping ice off the window of my car is no fun, how much heat would be required to melt 2-5 grams of ice using a hairblow dryer? Practice the following heat equation problems. 1. After a long day of school, your walk home 4. Scrap through the brisk fall air has given you the craving for hot chocolate. Calculate the Equation nece amount of heat necessary to warm 100 grams of milk from 100°C to 150 °C. (specific...
CHAPTER 9 REVIEW QUESTIONS 1. How much heat is required to raise the temperature of a 0.04 kg stainless steel spoon from 20°C to 50°C if the specific heat of stainless steel is 0.50 kJ/kg-C? (A) 200 (B) 400 (C) 600 (D) 800) (E) 2000 5. An ideal gas is confined to a container whose volume is fixed. If the container holds n moles of gas, by what factor will the pressure increase if the absolute temperature is increased by...
CHAPTER 9 REVIEW QUESTIONS 1How much heat is required to raise the temperature of a 0.04 kg stainless steel spoon from 20°C to 50°C if the specific heat of stainless steel is 0.50 k/kg-C? 5. An ideal gas is confined to a container whose volume is fixed. If the container holds n moles of gas, by what factor will the pressure increase if the absolute temperature is increased by a factor of 27 (A) 200J (B) 400 J (C) 600...
CHAPTER 9 REVIEW QUESTIONS 1. How much heat is required to raise the temperature of a 0.04 kg stainless steel spoon from 20°C to 50°C if the specific heat of stainless steel is 0.50 kJ/kg-C? (A) 200 (B) 400 (C) 600 (D) 800) (E) 1000 5. An ideal gas is confined to a container whose volume is fixed. If the container holds n moles of gas, by what factor will the pressure increase if the absolute temperature is increased by...
9. Predict the products of the reactions below and balance the equations. If no reaction would occur, write NR. (4 points each) (a) 241 +312 -2A113 (b) Ba(OH)2 + HBI BaBr 2 + H2O (c) C&H 206 + O2 → 10. What volume of a 2.00 M solution of AuCl2 would be necessary to give 1.65 g of AuCiz? (5 points) 11. A solution of KOH was titrated with 0.1423 g of HBr. If 3.08 mL of KOH solution were...
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