subject
Chemistry, 18.10.2019 03:30 delmi02bazidera

7. a 5kg copper bar initially at 300'c is placed on top of a 1 kg block of ice at -5°c at atmospheric pressure. assume no heat losses to the surroundings a. calculate the final temperature of the system after thermal equilibrium b. what initial temperature of the 5 kg copper bar is needed to raise the temperature of 1 kg block of ice from 5°c to 70°c? c. what mass of copper at 300'c must be placed to vaporize a 1-kg block of ice at -5°c to steam at 110°c? data for copper and water c. cu (s) - 0.385 j/g-k ahh.01 - 334 jg c. (h0 (s) - 2.06 j/g- k a hp. (h o1 - 2,261 j/g c. [h20 (1-4.18 j/gk c. [h0 - 2.02 j/gk

ansver
Answers: 1

Another question on Chemistry

question
Chemistry, 22.06.2019 11:30
For each of the following compounds, decide whether the compound's solubility in aqueous solution changes with ph. if the solubility does change, pick the ph at which you'd expect the highest solubility. you'll find ksp data in the aleks data tab. compounds does solubility change with ph
Answers: 3
question
Chemistry, 22.06.2019 14:10
13. a covalent bond between two atoms is likely to be polar if: a. one of the atoms is much more electronegative than the other. b. the two atoms are equally electronegative. c. the two atoms are of the same element. d. the bond is part of a tetrahedrally shaped molecule. e. one atom is an anion.
Answers: 1
question
Chemistry, 22.06.2019 22:30
Which one of the following bonds would you expect to be the most polar? a) b–h b) n–h c) p–h d) al–h e) c–h
Answers: 1
question
Chemistry, 22.06.2019 22:40
Percent ionization for a weak acid (ha) is determined by the following formula: percent ionization=[ha] ionized[ha] initial×100%for strong acids, ionization is nearly complete (100%) at most concentrations. however, for weak acids, the percent ionization changes significantly with concentration. the more diluted the acid is, the greater percent ionization.a certain weak acid, ha, has a ka value of 9.4×10? 7.part acalculate the percent ionization of ha in a 0.10 m solution.part bcalculate the percent ionization of ha in a 0.010 m solution
Answers: 1
You know the right answer?
7. a 5kg copper bar initially at 300'c is placed on top of a 1 kg block of ice at -5°c at atmospheri...
Questions
question
English, 03.03.2021 14:00
question
Mathematics, 03.03.2021 14:00
question
Mathematics, 03.03.2021 14:00
question
English, 03.03.2021 14:00
question
Mathematics, 03.03.2021 14:00
question
Mathematics, 03.03.2021 14:00
Questions on the website: 13722361