subject
Chemistry, 06.11.2019 16:31 aaburto1515

Acopper block ( 90°c) is placed in contact with a lead block ( 20°c), which is already in contact with an iron block (70°c). which of the following will happen?

a. heat will flow from the copper to the lead and from the iron to the lead until the temperatures are equal .

b. heat will flow from the iron to the lead to the copper until the temperatures are equal.

c. heat will flow from the copper to the lead to the iron until the temperatures are equal.

d. heat will flow from the lead to the copper and to the iron until the temperatures are equal.

ansver
Answers: 1

Another question on Chemistry

question
Chemistry, 21.06.2019 15:50
Which of these reactions are redox reactions? check all that apply.cd + hcl → cdcl2  + h2cucl2  + na2s → 2nacl + cuscaco3  → cao + co2          2zns + 3o2  → 2zno + 2so2          ch4  + 2o2  → co2  + 2h2o
Answers: 3
question
Chemistry, 22.06.2019 06:00
What type of electromagnetic radiation has a shorter wavelength than blue light
Answers: 2
question
Chemistry, 22.06.2019 18:40
What is the binding energy of a nucleus that has a mass defect of 5.81*10-^29 kg a 5.23*10-^12 j b 3.15* 10^12 j c 1.57*10-3 j d 9.44*10^20 j
Answers: 1
question
Chemistry, 22.06.2019 19:30
What is the area in square meters of 448 g ai foil that has a thickness of 23921 nm? the density is 2.70 g/cm
Answers: 3
You know the right answer?
Acopper block ( 90°c) is placed in contact with a lead block ( 20°c), which is already in contact wi...
Questions
question
Mathematics, 15.04.2020 01:52
Questions on the website: 13722367