Help with the CER please Energy is added to the liquid by the immersion heater - the metal coil placed in the liquid after the thermometer readingstabilizes. The immersion heater delivers energy to the liquid at a rate of 21.1 watts, or 21.1 joules/s. Notice that there isa stopwatch available when you click the tool icon in the upper right.Hint: Energy delivered = rate x timeQ=21.1J/s x AtAt-elapsed time the immersion heater is in the liquid.*1 ...2...3 ***4 ...5 ---Quantity6.*****mass of cup (gr)Mass of cup + I...mass of liquid...change in T (de....delta time (s)energy (J)Measure...units28.9514.8485.911.51913.219300var***2. A) Show your calculation for the specific heat capacity. Type your work into the box.B) The table below shows the specific heat of six different liquids.SpecificHeat(J/g °C)4.1843.9833.7183.3612.9042.51Concentrationof PG (V/V)0%20%40%60%80%100%Based on this table, which liquid concentration do you think you tested in your trial?Make sure to label part A and part B of your answer. FIPart 2: Analyzing the differences between experimental and published valuesYou may have noticed that in spite of carefully measuring and calculating, the values for the specific heat you determinedexperimentally do not match the published values for those concentrations of propylene glycol solutions. Let's explore why.N1. What are the potential sources of error in this experiment based upon your results? Apply CER to your answer.Hint: Consider whether your results are higher or lower than expected. Explain how this could happen.2C: Claim answers the questionE: Evidence provides a numerical/quantitative discussion to support the claimR: Reasoning explains why your the evidence supports the claim using theory.BIU32F2WSX#3Hcommand80EDE E % 無$4C888F4RFdo 5%F5TV19MacBook Air6GF6YB&7HF7U*008NJFB1(9DDMF9KOge,'P

Energy is added to the liquid by the immersion heater - the metal coil placed in the liquid after the thermometer reading stabilizes. The immersion heater delivers energy to the liquid at a rate of 21.1 watts, or 21.1 joules/s. Notice that there i a stopwatch available when you click the tool icon in the upper right. Hint: Energy delivered = rate x time

Energy is added to the liquid by the immersion heater - the metal coil placed in the liquid after the thermometer reading stabilizes. The immersion heater delivers energy to the liquid at a rate of 21.1 watts, or 21.1 joules/s. Notice that there i a stopwatch available when you click the tool icon in the upper right. Hint: Energy delivered = rate x time

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter14: Fluid Mechanics

Section: Chapter Questions

Problem 125CP: The inside volume of a house is equivalent to that of a rectangular solid 13.0 m wide by 200 m long...

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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.

Question

Help with the CER please

Energy is added to the liquid by the immersion heater - the metal coil placed in the liquid after the thermometer reading
stabilizes. The immersion heater delivers energy to the liquid at a rate of 21.1 watts, or 21.1 joules/s. Notice that there is
a stopwatch available when you click the tool icon in the upper right.
Hint: Energy delivered = rate x time
Q=21.1J/s x At
At-elapsed time the immersion heater is in the liquid.
*
1 ...
2...
3 ***
4 ...
5 ---
Quantity
6.**
***
mass of cup (gr)
Mass of cup + I...
mass of liquid...
change in T (de....
delta time (s)
energy (J)
Measure...
units
28.9
514.8
485.9
11.51
913.2
19300
var
***
2. A) Show your calculation for the specific heat capacity. Type your work into the box.
B) The table below shows the specific heat of six different liquids.
Specific
Heat
(J/g °C)
4.184
3.983
3.718
3.361
2.904
2.51
Concentration
of PG (V/V)
0%
20%
40%
60%
80%
100%
Based on this table, which liquid concentration do you think you tested in your trial?
Make sure to label part A and part B of your answer.

FI
Part 2: Analyzing the differences between experimental and published values
You may have noticed that in spite of carefully measuring and calculating, the values for the specific heat you determined
experimentally do not match the published values for those concentrations of propylene glycol solutions. Let's explore why.
N
1. What are the potential sources of error in this experiment based upon your results? Apply CER to your answer.
Hint: Consider whether your results are higher or lower than expected. Explain how this could happen.
2
C: Claim answers the question
E: Evidence provides a numerical/quantitative discussion to support the claim
R: Reasoning explains why your the evidence supports the claim using theory.
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