When you leave a cold bottle of soda out on a warm humid day, water begins...
When you leave a cold bottle of soda out on a warm humid day, water begins to condense on the surface of the bottle. Describe what is happening in terms of energy change
Homework Answers
When the water vapour present in the atmosphere comes in contact with the something cool, the vapour molecules starts coming closer to each other. This allows them to condense from the vapour state to liquid state which forms the droplets on the surface of the bottle. The water vapour having higher energy will give away the energy to give liquid water which has lower energy The condensation process is exothermic
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When you leave a cold bottle of soda out on a warm humid day,
water begins...
A cold beverage can be kept cold even a warm day if it is slipped into...
A cold beverage can be kept cold even a warm day if it is slipped into a porous ceramic container that has been soaked in water. Assume that energy lost to evaporation matches the net energy gained via the radiation exchange through the top and the side surfaces. The container and beverage have temperature T = 16°C, the environment has temperature Tenv = 32°C, and the container is a cylinder with radius r = 2.42 cm and height 11 cm....
A cold beverage can be kept cold even a warm day if it is slipped into...
A cold beverage can be kept cold even a warm day if it is slipped into a porous ceramic container that has been soaked in water. Assume that energy lost to evaporation matches the net energy gained via the radiation exchange through the top and the side surfaces. The container and beverage have temperature T = 16°C, the environment has temperature Tenv-32°C, and the container is a cylinder with radius r = 2.42 cm and height 11 cm. Approximately the...
A plastic bottle is closed outdoors on a cold day when the temperature is -11.0°C and...
A plastic bottle is closed outdoors on a cold day when the temperature is -11.0°C and is later brought inside where the temperature is 18.5°C. What is the pressure of the air in the bottle after it reaches room temperature, assuming the air in the bottle was at a pressure of 1.00 atm upon reaching thermal equilibrium with the outdoor temperature? Pa
How do I solve? When you blow across the top of a soda bottle, it acts...
How do I solve?
When you blow across the top of a soda bottle, it acts like a closed pipe with a fundamental frequency of 495 Hz. If you pour 0.030 m of water into the bottle, shortening the air cavity, what is the new fundamental frequency? (Hint: Find the original length.) Speed of sound 343 m/s) (Unit Hz) ightaoo-ohs Corporation All Rights Resr
What is PART B A glass soda bottle is emptied of soda and filled to the very top with water. A cork is carefully fitte...
What is PART
B
A glass soda bottle is emptied of soda and filled to the very top with water. A cork is carefully fitted into the top of the bottle, leaving no air between the cork and the water. (Figure 1) The top of the bottle has a diameter of D_top = 2.00 cm and the bottom of the bottle has a diameter of D_bot = 6.50 cm. The glass breaks when it is exposed to P_max = 70.0...
Heat opens up capillaries and improves blood flow. The reverse is true too: cold capillaries close...
1. Heat opens capillaries and improves blood flow. The reverse is true too: cold capillaries close. Thus, for a black eye where you want to prevent blood buildup causing painful swelling, you use ice. Now consider a patient who is told to keep hot compresses on an eye infection for 10 minutes. She discovers that her compress is no longer hot after only 5 minutes and therefore wants to keep it warm twice as long. Is the better strategy to use...
#18 and #20 17. Evaporation and Cooling In the past, when a 20. Adhesion and Cohesion...
#18 and #20
17. Evaporation and Cooling In the past, when a 20. Adhesion and Cohesion In terms of adhesion and cohesion, explain why alcohol clings to the baby had a high fever, the doctor might have suggested gently sponging off the baby with rub- bing alcohol. Why would this help? surface of a glass rod but mercury does not. 21. Floating How can you tell that the paper clip in 18. Surface Tension A paper clip, which hasa problem...
A.1 It is cold outside and you watch snow falling into a pot of liquid water,...
A.1 It is cold outside and you watch snow falling into a pot of liquid water, you estimate it has about a pint of water (0.5kg). When you start watching when the water in the pot is at 0°C and completely liquid. At certain point the water begins to freeze. How much ice (total) is in the glass at the moment it freezes completely? Draw the three-phase diagram and the energy interaction diagram for this process, mark initial and final...
Question 1 1 pts In this experiment, how can you tell when the baking soda is...
Question 1 1 pts In this experiment, how can you tell when the baking soda is completely decomposed? O the water level in the beaker remains constant O the water in the beaker bubbles the sample begins to smoke the sample turns dark grey O the rubber stopper pops out of the test tube Question 2 1 pts Which of the following safety precautions is advisable? O all of these answer choices O avoid burns from the laboratory burner O...
Suppose you warm up 510 grams of water (about half a liter, or about a pint)...
Suppose you warm up 510 grams of water (about half a liter, or about a pint) on a stove, and while this is happerning, you also stir the water with a beater, doing 6 x 104 J of work on the water. After the large-scale motion of the water has dissipated away, the temperature of the water is observed to have risen from 18°C to 82°C *Part 1 (a) What was the change in the thermal energy of the water?...
A cold beverage can be kept cold even a warm day if it is slipped into a porous ceramic container that has been soaked in water. Assume that energy lost to evaporation matches the net energy gained via the radiation exchange through the top and the side surfaces. The container and beverage have temperature T = 16°C, the environment has temperature Tenv-32°C, and the container is a cylinder with radius r = 2.42 cm and height 11 cm. Approximately the...
A plastic bottle is closed outdoors on a cold day when the temperature is -11.0°C and is later brought inside where the temperature is 18.5°C. What is the pressure of the air in the bottle after it reaches room temperature, assuming the air in the bottle was at a pressure of 1.00 atm upon reaching thermal equilibrium with the outdoor temperature? Pa
How do I solve?
When you blow across the top of a soda bottle, it acts like a closed pipe with a fundamental frequency of 495 Hz. If you pour 0.030 m of water into the bottle, shortening the air cavity, what is the new fundamental frequency? (Hint: Find the original length.) Speed of sound 343 m/s) (Unit Hz) ightaoo-ohs Corporation All Rights Resr
What is PART
B
A glass soda bottle is emptied of soda and filled to the very top with water. A cork is carefully fitted into the top of the bottle, leaving no air between the cork and the water. (Figure 1) The top of the bottle has a diameter of D_top = 2.00 cm and the bottom of the bottle has a diameter of D_bot = 6.50 cm. The glass breaks when it is exposed to P_max = 70.0...
#18 and #20
17. Evaporation and Cooling In the past, when a 20. Adhesion and Cohesion In terms of adhesion and cohesion, explain why alcohol clings to the baby had a high fever, the doctor might have suggested gently sponging off the baby with rub- bing alcohol. Why would this help? surface of a glass rod but mercury does not. 21. Floating How can you tell that the paper clip in 18. Surface Tension A paper clip, which hasa problem...
A.1 It is cold outside and you watch snow falling into a pot of liquid water, you estimate it has about a pint of water (0.5kg). When you start watching when the water in the pot is at 0°C and completely liquid. At certain point the water begins to freeze. How much ice (total) is in the glass at the moment it freezes completely? Draw the three-phase diagram and the energy interaction diagram for this process, mark initial and final...
Question 1 1 pts In this experiment, how can you tell when the baking soda is completely decomposed? O the water level in the beaker remains constant O the water in the beaker bubbles the sample begins to smoke the sample turns dark grey O the rubber stopper pops out of the test tube Question 2 1 pts Which of the following safety precautions is advisable? O all of these answer choices O avoid burns from the laboratory burner O...
Suppose you warm up 510 grams of water (about half a liter, or about a pint) on a stove, and while this is happerning, you also stir the water with a beater, doing 6 x 104 J of work on the water. After the large-scale motion of the water has dissipated away, the temperature of the water is observed to have risen from 18°C to 82°C *Part 1 (a) What was the change in the thermal energy of the water?...
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