Data and CalculationsFill in the following data from when you performed this lab. Attach the printed graphs from thetemperature probes to this data sheet when you submit this report. Each person should submit anindividual report with attached graphs.Trial 4Trial 1Trial 3Trial 2Mass of Mg/MgO0.344 0.398 0.1520 D.115Initial Temperature*20.6°c20.4°c 20.7°C23.5°C20. 3°CFinal Temperature*24. 0c36.2°CChange in Temp.2.80c_18°८ ।Calculations:1. For each of your trials determine the heat liberated. Assume the HCl solution in the calorimeterhas a density of 100 g/mL and that the calorimeter loses a negligible amount of heat. (The specificheat of the solution can be assumed to be the same as water, 4.184 J/g.°C.) Show work neatly forcredit.mass x specific heat x AtTrial4Trial1Trial 2Triai3(.1154)4.180H9(.9444) (4.184) (7.9) 1:13997) (4.184) (18) a-1520) (4.104) (2.8)8.812- 12.989-29.5KJ19.5k 20KT8.81KJ12.98KJ=(kilojoules)Change eachq to AH with the appropriate sign. Remember that enthalpy has been gained by thewater, therefore, enthalpy has been lost by the reaction system.AH (kilojoules)AH-943 Calculations:1. For each of your trials determine the heat liberated. Assume the HC1 solution in the calorimeterheat of the solution can be assumed to be the same as water, 4.184 J/g.°C.) Show work neatly forhas a density of 00 g/mL and that the calorimeter loses a negligible amount of heat. (The specificcredit.=mass x specific heat x AtTriai1Trial4Trial 2Tria13(1754)4.18409(9944) (4.184) (17.9) 1-(.3987) (4.184) (18) C7520) (4.104) (2.0) q2- 12.989-29.5KJ-8,81q= (kilojoules)29.5kJ20KT8.81KJ12.99KJChange each q to AH with the appropriate sign. Remember that enthalpy has been gained by thewater, therefore, enthalpy has been lost by the reaction system.AH=(kilojoules)1AH-243

Question
Asked Oct 27, 2019
1 views

Can you help me on the part that says change each q to delta h? The data is on the top of the page 

Data and Calculations
Fill in the following data from when you performed this lab. Attach the printed graphs from the
temperature probes to this data sheet when you submit this report. Each person should submit an
individual report with attached graphs.
Trial 4
Trial 1
Trial 3
Trial 2
Mass of Mg/MgO
0.344 0.398 0.1520 D.115
Initial Temperature*
20.6°c
20.4°c 20.7°C
23.5°C
20. 3°C
Final Temperature*
24. 0c
36.2°C
Change in Temp.
2.80c
_18°८ ।
Calculations:
1. For each of your trials determine the heat liberated. Assume the HCl solution in the calorimeter
has a density of 100 g/mL and that the calorimeter loses a negligible amount of heat. (The specific
heat of the solution can be assumed to be the same as water, 4.184 J/g.°C.) Show work neatly for
credit.
mass x specific heat x At
Trial4
Trial1
Trial 2
Triai3
(.1154)4.180H
9(.9444) (4.184) (7.9) 1:13997) (4.184) (18) a-1520) (4.104) (2.8)
8.81
2- 12.98
9-29.5KJ
19.5k 20KT
8.81KJ
12.98KJ
=(kilojoules)
Change eachq to AH with the appropriate sign. Remember that enthalpy has been gained by the
water, therefore, enthalpy has been lost by the reaction system.
AH (kilojoules)
AH-9
43
help_outline

Image Transcriptionclose

Data and Calculations Fill in the following data from when you performed this lab. Attach the printed graphs from the temperature probes to this data sheet when you submit this report. Each person should submit an individual report with attached graphs. Trial 4 Trial 1 Trial 3 Trial 2 Mass of Mg/MgO 0.344 0.398 0.1520 D.115 Initial Temperature* 20.6°c 20.4°c 20.7°C 23.5°C 20. 3°C Final Temperature* 24. 0c 36.2°C Change in Temp. 2.80c _18°८ । Calculations: 1. For each of your trials determine the heat liberated. Assume the HCl solution in the calorimeter has a density of 100 g/mL and that the calorimeter loses a negligible amount of heat. (The specific heat of the solution can be assumed to be the same as water, 4.184 J/g.°C.) Show work neatly for credit. mass x specific heat x At Trial4 Trial1 Trial 2 Triai3 (.1154)4.180H 9(.9444) (4.184) (7.9) 1:13997) (4.184) (18) a-1520) (4.104) (2.8) 8.81 2- 12.98 9-29.5KJ 19.5k 20KT 8.81KJ 12.98KJ =(kilojoules) Change eachq to AH with the appropriate sign. Remember that enthalpy has been gained by the water, therefore, enthalpy has been lost by the reaction system. AH (kilojoules) AH-9 43

fullscreen
Calculations:
1. For each of your trials determine the heat liberated. Assume the HC1 solution in the calorimeter
heat of the solution can be assumed to be the same as water, 4.184 J/g.°C.) Show work neatly for
has a density of 00 g/mL and that the calorimeter loses a negligible amount of heat. (The specific
credit.
=mass x specific heat x At
Triai1
Trial4
Trial 2
Tria13
(1754)4.1840
9(9944) (4.184) (17.9) 1-(.3987) (4.184) (18) C7520) (4.104) (2.0) q
2- 12.98
9-29.5KJ
-8,81
q= (kilojoules)
29.5kJ
20KT
8.81KJ
12.99KJ
Change each q to AH with the appropriate sign. Remember that enthalpy has been gained by the
water, therefore, enthalpy has been lost by the reaction system.
AH=(kilojoules)
1
AH-2
43
help_outline

Image Transcriptionclose

Calculations: 1. For each of your trials determine the heat liberated. Assume the HC1 solution in the calorimeter heat of the solution can be assumed to be the same as water, 4.184 J/g.°C.) Show work neatly for has a density of 00 g/mL and that the calorimeter loses a negligible amount of heat. (The specific credit. =mass x specific heat x At Triai1 Trial4 Trial 2 Tria13 (1754)4.1840 9(9944) (4.184) (17.9) 1-(.3987) (4.184) (18) C7520) (4.104) (2.0) q 2- 12.98 9-29.5KJ -8,81 q= (kilojoules) 29.5kJ 20KT 8.81KJ 12.99KJ Change each q to AH with the appropriate sign. Remember that enthalpy has been gained by the water, therefore, enthalpy has been lost by the reaction system. AH=(kilojoules) 1 AH-2 43

fullscreen
check_circle

Expert Answer

Step 1

In the calorimeter enthalpy gained by water will be equal to the enthalpy lost by the...

Want to see the full answer?

See Solution

Check out a sample Q&A here.

Want to see this answer and more?

Solutions are written by subject experts who are available 24/7. Questions are typically answered within 1 hour.*

See Solution
*Response times may vary by subject and question.
Tagged in

Science

Chemistry

Chemical Thermodynamics

Related Chemistry Q&A

Find answers to questions asked by student like you

Show more Q&A add
question_answer

Q: Calculate the final concentration if 3.00 L of 4.00 M NaCl and 4.00 L of 2.00 M NaCl are mixed.

A: On mixing two different concentrations, the total volume of the mixture is obtained as,

question_answer

Q: A space probe identifies a new element in a sample collected from an asteroid. Successive ionization...

A: Ionization energy: The amount of energy required to remove an electron from its outer most valence s...

question_answer

Q: Resources Name the hydrate. Li, CrO, 2 H,O(s). Spelling counts. 4 name:

A: The name of CrO42- is chromate. There are two water molecule in the given chemical formula.

question_answer

Q: How much potassium hydroxide (in grams) is required to prepare 600.0 mL of a 0.450 M KOH solution?

A: Given,Volume = 600 ml (or) 0.6 LMolarity = 0.450 MMolar mass of potassium hydroxide = 56.1056 g/mol

question_answer

Q: Hydrogen atoms are excited by a laser to the ?=4 state and then allowed to emit. What is the maximum...

A: Given, n = 4The maximum number of distinct emission spectral lines (lines of different wavelengths) ...

question_answer

Q: Draw the Fischer projection of the product of the reduction reaction of D-Talose at C1.

A:  The structure for D-talose is

question_answer

Q: An important industrial process for synthesizing the ammonia used in agricultural fertilizers involv...

A: The relationship between Kp and Kc is given below.

question_answer

Q: The following table lists molecular weight data for a polypropylene material. compute the following....

A: The table for the calculation of number average molecular weight is given below.

question_answer

Q: For the reaction   4A(g) + 3B(g) → 2C(g) The following data were obtained at constant temperature:  ...

A: Consider order of reaction w.r.t [A] as m and order of reaction w.r.t [B] as n.The rate expression w...