Answers: 2
Physics, 21.06.2019 23:40
What is meant by the statement" the melting poin of glycerine is 13 degree celsius
Answers: 3
Physics, 22.06.2019 02:30
The particle in a two-dimensional well is a useful model for the motion of electrons around the indole ring (3), the conjugated cycle found in the side chain of tryptophan. we may regard indole as a rectangle with sides of length 280 pm and 450 pm, with 10 electrons in the conjugated p system. as in case study 9.1, we assume that in the ground state of the molecule each quantized level is occupied by two electrons. (a) calculate the energy of an electron in the highest occupied level. (b) calculate the frequency of radiation that can induce a transition between the highest occupied and lowest unoccupied levels. 9.27 electrons around the porphine ring (4), the conjugated macrocycle that forms the structural basis of the heme group and the chlorophylls. we may treat the group as a circular ring of radius 440 pm, with 20 electrons in the conjugated system moving along the perimeter of the ring. as in exercise 9.26, assume that in the ground state of the molecule quantized each level is occupied by two electrons. (a) calculate the energy and angular momentum of an electron in the highest occupied level. (b) calculate the frequency of radiation that can induce a transition between the highest occupied and lowest unoccupied levels.
Answers: 1
Physics, 22.06.2019 05:30
Thomas his older brothers, who own a junk yard, on the weekends to earn extra money. he likes to them push broken-down cars to the back of the junk yard because it makes him feel strong. last saturday, they pushed three cars with different weights, and he noticed he used different amounts of force for each one. the cars were the following weights: white car: 2,700 kg red car: 1,500 kg blue car: 2,100 kg think about how much force is needed to move each car. which correctly lists the cars in order from the most to least amount of force needed to move them? a) white, blue, red b) blue, red, white c) red, white, blue d) white, red, blue
Answers: 2
Physics, 22.06.2019 07:00
What type of relationship exists between the length of a wire and the resistance, if all other factors remain the same? o a. resistance is directly related to length. ob. resistance is directly related to the square of the length. c. resistance is inversely related to the length. d. resistance is inversely related to the square of the length. reset next
Answers: 1
What is a explanation of physical weathering...
Biology, 11.09.2020 02:01
Arts, 11.09.2020 02:01
Mathematics, 11.09.2020 02:01
Social Studies, 11.09.2020 02:01
Chemistry, 11.09.2020 02:01
Mathematics, 11.09.2020 02:01
Mathematics, 11.09.2020 02:01
Mathematics, 11.09.2020 02:01
Social Studies, 11.09.2020 02:01
Mathematics, 11.09.2020 02:01
Mathematics, 11.09.2020 02:01
Mathematics, 11.09.2020 02:01
Mathematics, 11.09.2020 02:01
Mathematics, 11.09.2020 02:01
Mathematics, 11.09.2020 02:01
Mathematics, 11.09.2020 02:01
Mathematics, 11.09.2020 02:01
Mathematics, 11.09.2020 02:01
Mathematics, 11.09.2020 02:01
Mathematics, 11.09.2020 02:01