Chemistry, 13.04.2021 19:30 goldenhawk239
A piece of iron is heated to 120'C then placed in a calorimeter containing 50g of water. The water temperature is raised from 30°C to 40°C. Assuming the specific heat of water is 4.18 J/8'C and the specific heat of
Iron is 0.44 J/g C, what is the mass of the piece of iron?
118.8
59.45
39.6
752
Answers: 3
Chemistry, 22.06.2019 00:00
Explain which group an element with the electron configuration 1s2 2s2 2p6 3s2 3p6 3d1 4s2 belongs to.
Answers: 3
Chemistry, 22.06.2019 02:00
Will give brainliest it is a lab from k12 here is the linkfor each metal that participated in a chemical change, write the type of metal it is, based on your examination of the periodic table. type your answer here. (score for question 3: of 5 points) were there any metallic compounds that did not react with either the acid or the base? write the type of metal, based on your examination of the periodic table. type your answer here. (score for question 4: of 5 points) make a general statement about the reactivity of the metals in this experiment. type your answer here.
Answers: 2
Chemistry, 22.06.2019 02:30
Select each correct answer. more than one answer may be correct. which of the following is a characteristic of unicellular organisms? they can possess tissues and organs. all of their functions are performed by a single cell. they are usually microscopic. each of their cells is specialized to perform a specific function.
Answers: 1
Chemistry, 22.06.2019 09:00
Chemical energy is a form of a. kinetic energy only. b. both potential and kinetic energy. c. neither potential nor kinetic energy. d. potential energy only. reset
Answers: 1
A piece of iron is heated to 120'C then placed in a calorimeter containing 50g of water. The water t...
Physics, 19.09.2019 22:30
Biology, 19.09.2019 22:30
Social Studies, 19.09.2019 22:30
Mathematics, 19.09.2019 22:30
Social Studies, 19.09.2019 22:30
Mathematics, 19.09.2019 22:30
Mathematics, 19.09.2019 22:30
English, 19.09.2019 22:30