Chemistry, 28.09.2021 16:10 khalibarnes001
in an experiment to compare thermal conductivity of materials such as iron, lead, aluminium, copper and wood. the arrows on the rocks indicate the extent at which the vaseline applied around the material melted when heat is applied. i. identify each of the materials labeled I, II, III, IV and V using the melting level of the vaselineii. which material had the least melting of the vaseline?iii. give one reason for your answer in (ii) aboveiv. arrange the materials in order of decreasing conductivity of heatv. mention two modes of heat transfer in this experiment
Answers: 3
Chemistry, 22.06.2019 06:30, irvinbhangal2
What effect might melting sea ice have for people who live in coastal areas?
Answers: 1
Chemistry, 22.06.2019 08:30, omoaye
Identify one disadvantage to each of the following models of electron configuration: -dot structures -arrow and line diagrams -written electron configurations type in your answer below. (answer) -dot structures do not show the distribution of electrons in orbitals and take up a lot of space. -arrow and line diagrams take up a lot of space and make it difficult to count electrons. -written configurations make it easy to lose count of electrons and do not show the distribution of electrons in orbitals.
Answers: 3
Chemistry, 22.06.2019 08:40, jaueuxsn
Ageologist determines that a sample of a mineral can't be scratched by a steel nail but can be scratched by a masonry drill bit. based on this information, the sample mineral has to be softer than a. orthoclase. b. fluorite. c. apatite. d. corundum.
Answers: 2
in an experiment to compare thermal conductivity of materials such as iron, lead, aluminium, copper...
Social Studies, 17.11.2020 05:10
History, 17.11.2020 05:10
Mathematics, 17.11.2020 05:10
English, 17.11.2020 05:10
Physics, 17.11.2020 05:10