Answered: Practice for Multiple choice 1. How…

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Practice for Multiple choice 1. How much heat Q, in Joules, is required to warm up 1.0 kg of water from 10°C to 30°C?

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter15: Thermodynamics

Section: Chapter Questions

Problem 1CQ: Describe the photo of the tea kettle at the beginning of this section in terms of heat transfer,...

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Concept explainers

Energy transfer

The flow of energy from one region to another region is referred to as energy transfer. Since energy is quantitative; it must be transferred to a body or a material to work or to heat the system.

Molar Specific Heat

Heat capacity is the amount of heat energy absorbed or released by a chemical substance per the change in temperature of that substance. The change in heat is also called enthalpy. The SI unit of heat capacity is Joules per Kelvin, which is (J K-1)

Thermal Properties of Matter

Thermal energy is described as one of the form of heat energy which flows from one body of higher temperature to the other with the lower temperature when these two bodies are placed in contact to each other. Heat is described as the form of energy which is transferred between the two systems or in between the systems and their surrounding by the virtue of difference in temperature. Calorimetry is that branch of science which helps in measuring the changes which are taking place in the heat energy of a given body.

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How to solve #1 in multiple choice

Exam 4 Review
Review all materials (lecture notes, homework, labs) from Chapter 10, 11 and 15.
I. Multiple choice questions (20 questions)
Focus topics will include but not limit to
First Law of Thermodynamics
Temperature and internal energy- Calculate change in internal energy.
Heat definition - Temperature and Heat.
Ideal Efficiency for a Heat Engine
Specific Heat
Second Law of Thermodynamics - Conservation of Total Entropy
Wavelength, frequency and speed of waves
Determine wavelength, frequency on the wave graph
Nature of a sound wave
Wave on a string - Determine the frequency of a wave on a guitar/violin string
Practice for Multiple choice
1. How much heat Q, in Joules, is required to warm up 1.0 kg of water from 10°C to 30°C?
2. An ideal gas is kept at constant pressure while increasing its volume from an initial volume of 5 liters
to a final volume of 10 liters. The initial temperature of the gas is 450OK, what is the final temperature?
3. Radio waves travel at the speed of light, 3.0 x 108 m/s. Find the wavelength of a radio wave received
at 107 hertz.
4. Sound waves sent by a whale travel with a speed of 900 m/s in water. A whale emits sound wave
directed toward the ocean floor below. If the sound wave takes 0.5 seconds to reach it, how far is the
ocean floor from the whale?
II. Essay questions (5 questions)
1. Problem solving with first law of thermodynamics
Practice: Exercise E13 of Chapter 10-Temperature and Heat

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