Chemistry, 30.10.2021 18:40 MrJonezy4529

1. A steel is 80 cm long at 40 oC. The coefficient of linear expansion for steel is 12 x 10-6 oC-1. The increase in length and the final length when it is at 140 oC will be… QUESTION : ΔL...? then L..?

2. An iron rod heated from 30 oC to 80 oC. The final length of iron is 115 cm and the coefficient of linear expansion is 3×10-3 oC-1. What is the original length and the change in length of the iron ?
QUESTION L0...then ΔL?

3. at 20oC, the length of a sheet of steel is 50 cm and width is 30 cm ,if the coefficient of expansion for steel is 10-5 oC-1.
determine the change in area and the final area at 60oC
question ..ΔA...?A...?

4. An object made of metal has a length of 20 cm. How long is the end of the metal if there is a temperature change of 40 ° C? (metal length coefficient 0.001 ° C-1)

5. A plate made of aluminum with the initial area of 50 cm2 has a temperature of 10oC. If the plate is heated to 100oC, what is the extensive increase in aluminum? (Aluminum Length Coefficient = 2.4 × 10-5 / OC)

Answers: 1

Show answers

Another question on Chemistry

Chemistry, 21.06.2019 15:30

Ineed with a, b, c, d, and e on the long answer

Answers: 2

Answer

Chemistry, 21.06.2019 23:30

Which of the following statements concerning the influence of culture on ethnic identity formation is accurate? a. one will reject ethnic identity if cultural stereotypes are encountered. b. if one’s ethnic city is different from the dominant cultural group, then one’s ethnic identity you will become weekend. c. if an the ethnic group is excepted by dominant culture, then ethnic identity formation can be a difficult process. d. similarity to the dominant culture can determine how easy it is for one to except ethnic differences.

Answers: 2

Answer

Chemistry, 22.06.2019 03:00

How does a hydroelectric power plant converts energy into energy.

Answers: 1

Answer

Chemistry, 22.06.2019 10:30

Rocks, as they are compressed, begin forming mountains above the earth's surface when two continental plates converge. the continental crust increases in depth as the mountains grow above. the himalayan mountains formed at a convergent plate boundary in this manner. the rocks are smashed together causing them to due to the intense heat and pressure from the colliding plates and eventually forming rock. a) melt; igneous b) layer; sedimentary c) recrystallize; metamorphic d) melt into the earth's interior; metamorphic

Answers: 1

Answer

You know the right answer?

1. A steel is 80 cm long at 40 oC. The coefficient of linear expansion for steel is 12 x 10-6 oC-1....

Questions