Question

A mass of 1.8kg of water at 17.9*C is poured from a height of 1.6m into...

A mass of 1.8kg of water at 17.9*C is poured from a height of 1.6m into a vessel containing 8.8kg of water at 17.9*C.

(a) How much does the internal energy of the 10.6 kg of water increase?

(b) Is it likely that the water temperature will increase? (Yes/No? )

(c) The increase in internal energy ____________(increases/decreases) the average kinetic energy of the water molecules, thus the temperature is slightly______________ (increased/decreased).

Homework Answers

Answer #1

***************************************************************************************************
Check the answer and let me know immediately if you find something wrong... I will rectify the mistakes asap if any

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Water is poured into a cylindrical container that has a leak at the bottom, where h...
Water is poured into a cylindrical container that has a leak at the bottom, where h = 15.0 cm and r = 2.50 cm. The mass m of the water is given as a function of time ?(?) = 2.70? ^2 − 0.120? ^3 , where m is in grams, t in seconds, and 0 ≤ ? ≤ 22.5. (a) What is that greatest mass in kg? (b) What is the height y (in meters) of the water when the...
Adding Ice to Water An insulated beaker with negligible mass contains liquid water with a mass...
Adding Ice to Water An insulated beaker with negligible mass contains liquid water with a mass of 0.340 kg and a temperature of 66.3 ∘C . How much ice at a temperature of -17.9 ∘C must be dropped into the water so that the final temperature of the system will be 22.0 ∘C ? Take the specific heat of liquid water to be 4190 J/kg⋅K , the specific heat of ice to be 2100 J/kg⋅K , and the heat of...
150 grams of boiling water (temperature 100°C, heat capacity 4.2 J/gram/K) are poured into an aluminum...
150 grams of boiling water (temperature 100°C, heat capacity 4.2 J/gram/K) are poured into an aluminum pan whose mass is 970 grams and initial temperature 25°C (the heat capacity of aluminum is 0.9 J/gram/K). (a) After a short time, what is the temperature of the water? (b) What simplifying assumptions did you have to make? The thermal energy of the aluminum doesn't change. Energy transfer between the system (water plus pan) and the surroundings was negligible during this time. The...
Question 1: A rock of mass 0.453 kg falls from rest from a height of 23.0...
Question 1: A rock of mass 0.453 kg falls from rest from a height of 23.0 m into a pail containing 0.335 kg of water. The rock and water have the same initial temperature. The specific heat capacity of the rock is 1920 J/kg C°. Ignore the heat absorbed by the pail itself, and determine the rise in temperature of the rock and water in Celsius degrees. Question 2: A 33.7-kg block of ice at 0 °C is sliding on...
1. A flask holds 9.73 kg of a monatomic ideal gas (mass number 86.4). If the...
1. A flask holds 9.73 kg of a monatomic ideal gas (mass number 86.4). If the gas changes temperature isochorically (constant volume) from temperature 802o C to 376o C, find the change in the internal energy of the gas, in kJ. A positive answer means the internal energy increased; a negative answer means the internal energy decreased.   2. A flask holds 2.25 kg of a diatomic ideal gas (mass number of the gas 92.1). If the gas changes temperature isochorically...
A rock of mass 0.309 kg falls from rest from a height of 23.4 m into...
A rock of mass 0.309 kg falls from rest from a height of 23.4 m into a pail containing 0.444 kg of water. The rock and water have the same initial temperature. The specific heat capacity of the rock is 1880 J/kg C°. Ignore the heat absorbed by the pail itself, and determine the rise in temperature of the rock and water in Celsius degrees.
An insulated beaker with negligible mass contains liquid water with a mass of 0.250 kg and...
An insulated beaker with negligible mass contains liquid water with a mass of 0.250 kg and a temperature of 84.4 ∘C . How much ice at a temperature of -10.6 ∘C must be dropped into the water so that the final temperature of the system will be 21.0 ∘C ? Take the specific heat of liquid water to be 4190 J/kg⋅K , the specific heat of ice to be 2100 J/kg⋅K , and the heat of fusion for water to...
An unknown substance has a mass of 0.125 kg and an initial temperature of 79.8°C. The...
An unknown substance has a mass of 0.125 kg and an initial temperature of 79.8°C. The substance is then dropped into a calorimeter made of aluminum containing 0.285 kg of water initially at 21.0°C. The mass of the aluminum container is 0.150 kg, and the temperature of the calorimeter increases to a final equilibrium temperature of 32.0°C. Assuming no thermal energy is transferred to the environment, calculate the specific heat of the unknown substance.
An unknown substance has a mass of 0.125 kg and an initial temperature of 92.5°C. The...
An unknown substance has a mass of 0.125 kg and an initial temperature of 92.5°C. The substance is then dropped into a calorimeter made of aluminum containing 0.285 kg of water initially at 27.0°C. The mass of the aluminum container is 0.150 kg, and the temperature of the calorimeter increases to a final equilibrium temperature of 32.0°C. Assuming no thermal energy is transferred to the environment, calculate the specific heat of the unknown substance.
A crate of mass 10.6 kg is pulled up a rough incline with an initial speed...
A crate of mass 10.6 kg is pulled up a rough incline with an initial speed of 1.52 m/s. The pulling force is 94 N parallel to the incline, which makes an angle of 20.2° with the horizontal. The coefficient of kinetic friction is 0.400, and the crate is pulled 4.94 m. (a) How much work is done by the gravitational force on the crate? (b) Determine the increase in internal energy of the crate–incline system owing to friction. (c)...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT