Question
Asked Dec 11, 2019
224 views
2) The specific heat capacity of iron is 0.461 J/g K and 0.544 J/g K for titanium. A sample
consisting of a mixture of 10.0g Fe and 10.0g Ti at 100.0 °C loses 200 J of heat to the
environment. What is the final temperature of the sample?
a. 89.9 °C
b. 80.1 °C
c. 60.2 °C
d. 39.8 °C
help_outline

Image Transcriptionclose

2) The specific heat capacity of iron is 0.461 J/g K and 0.544 J/g K for titanium. A sample consisting of a mixture of 10.0g Fe and 10.0g Ti at 100.0 °C loses 200 J of heat to the environment. What is the final temperature of the sample? a. 89.9 °C b. 80.1 °C c. 60.2 °C d. 39.8 °C

fullscreen
check_circle

Expert Answer

Step 1

Given,

Specific heat capacity of iron = 0.461J/gK.

Specific heat capacity of titanium = 0.544J/gK.

Mass of iron = 10.0g.

Mass of titanium = 10.0g.

Heat lost = 200J.

Temperature = 100.00C = 373K.

Step 2

Final temperature of ...

help_outline

Image Transcriptionclose

q=msAT q=(m,S, +m,s,)(T,-T, ) (Т-т,)- (m,S, +m,S,) 200 (373-T,)= (10.0x0.461+10.0×0.544) 373-T, =19.9 T, =373-19.9 K = 353.1K =80.1c Final temperature=80.1°C

fullscreen

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

Physical Chemistry

Related Chemistry Q&A

Find answers to questions asked by student like you
Show more Q&A
add
question_answer

Q: P increase from 2 M's' to 5 M's' when C to 20 C. What is activation energy for this reaction? 4) Rat...

A: GivenInitial temp= 10°CFinal temp = 20 °CInitial rate = 2M-1 s-1Final Rate= 5 M-1 s-1

question_answer

Q: Assuming an efficiency of 33.90%, calculate the actual yield of magnesium nitrate formed from 115.5 ...

A: Given,Efficiency or percent yield = 33.90 %Mass of Mg = 115.5 gMoles of Mg can be calculated as:

question_answer

Q: Given the standard enthalpies of formation for the following substances, determine the change in ent...

A: The given reaction as follows,

question_answer

Q: Calculate the final Kelvin temperature of sulfur dioxide gas if 50.0mL of the gas at 20 degrees Cels...

A: Given,Volume, V = 50.0 mLInitial temperature, T1 = 20 oC = (20 + 273.15) K = 293.15 KInitial pressur...

question_answer

Q: times that of Br, (g) under the same conditions. 0,(g) effuses at a rate that is rateo2 rateBr2

A: A famous chemist Thomas Graham stated a Law related to effusion of the gases. According to Thomas Gr...

question_answer

Q: From greatest to least, rank them by the number of nucleons in the nucleus. Consider the atoms (a) P...

A: In chemistry, the term nucleon can be defined as the subatomic particle which is found in the nucleu...

question_answer

Q: What volume will be occupied by 8.00 g of oxygen, O2, at STP?

A: The moles of Oxygen is calculated as follows,

question_answer

Q: 27. Using the framework on the right, build the MO energy diagram for CN molecule by assigning C and...

A: a.The molecular orbital diagram of Cyanide ion is given by

question_answer

Q: Which aqueous solution will have the lowest freezing point? A) 0.60 molal sucrose B) 0.50 molal KF  ...

A: Click to see the answer