A1.5 g iron nail is heated to 95.0 °c and placed into a beaker of water. calculate the heat gained by the water if the final equilibrium temperature is 57.8 ° c. the specific heat capacity of iron = 0.449 j/ g ° c, and the specific heat capacity of water = 4.18 j/ g ° c
Answers: 1
Physics, 22.06.2019 13:30, kuddlebugsmommy
The two stars in a certain binary star system move in circular orbits. the first star, alpha, has an orbital speed of 36 km/s. the second star, beta, has an orbital speed of 12 km/s. the orbital period is 137 d. a) what is the mass of the star alpha? b) what is the mass of the star beta?
Answers: 1
Physics, 22.06.2019 18:30, ptrlvn01
Two 2.0-cm-diameter disks face each other, 1.0 mm apart. they are charged to ±10 nc. what is the electric field strength between the disks? a proton is shot from the negative disk toward the positive disk. what launch speed must the proton have to just barely reach the positive disk?
Answers: 1
Physics, 22.06.2019 18:50, naiomireyes74p2aybs
What accounts for an increase in the temperature of a gas that is kept at constant volume? a. energy has been removed as heat from the gas. b. energy has been added as heat to the gas. c. energy has been removed as work done by the gas. d. energy has been added as work done by the gas.
Answers: 2
Physics, 22.06.2019 21:10, truelove9288
Which radioisotope is used in dating geological formations?
Answers: 3
A1.5 g iron nail is heated to 95.0 °c and placed into a beaker of water. calculate the heat gained b...
Chemistry, 08.06.2020 23:57
Mathematics, 08.06.2020 23:57
Biology, 08.06.2020 23:57
Health, 08.06.2020 23:57
Mathematics, 08.06.2020 23:57