Assume a distant star functions as a blackbody at a
Assume a distant star functions as a blackbody at a temperature of 12,000 K and produces light at a rate of 7.72 x 1030 W.
(a) What is the peak wavelength at which the star radiates?
(b) What is the radius of the star?
Expected delivery within 24 Hours
A solution is prepared by measuring 33 mL of the concentrated HCl, adding it to water, and diluting to 0.500 L. Calculate the approximate molarity of this solution from the volume, percent composition, and density.
A film of oil lies on wet pavement. The refractive index of the oil exceeds that of the water. what is the longest visible wavelength (in vacuum) for which the film will appear bright due to constructive interference
Be sure to calculate what volume of each 0.50M solution should be mixed to give a total volume of 50.0mL and the reactants in the correct stoichiometry.
An x-ray photon of initial energy 50.0 keV Compton scatters from an electron that is initially at rest. find the wavelength of the back-scattered photon
Assume a distant star functions as a blackbody at a temperature of 12,000 K and produces light at a rate of 7.72 x 1030 W. What is the radius of the star
The initial temperature of the calorimeter is 23.0}C. If 7.20g of CaCl2 is added to the calorimeter, what will be the final temperature of the solution in the calorimeter? The heat of solution\Delta H_soln of CaCl2 is -82.8 kJ/mol.
What are the four categories of consumer products? List and give an example of each.
In an X-ray scattering measurement the first order diffraction peak is observed at ? = 16.5°. What is the angle of the third order peak
Identify compound Z in the following sequence. (CH3)2CHCH2CN ---HCl, H2O, heat---> compound X ---1. LiAlH4, diethylether, 2. H20 ---> compound Y --- PCC, CH2Cl2 ------> compound Z 1. (CH3)2CHCH2COH (the O is double bonded to the C)
1945297
Questions Asked
3,689
Active Tutors
1447587
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Question: Which of the following documentation examples is the most appropriate clinical record entry?
Edge Soccer Program (Edge) began the year with a cash balance of $10,500. The budget forecasts that collections from customers owed to the company
he organization's leadership team listened to Eric and his colleagues' concerns and asked Eric to assemble a team to develop a plan for the proposed change.
A child has a desquamative rash of the hands and feet. Which additional finding should the nurse expect to observe with this rash?
Which of the following is a step the DNS should incorporate into that conversation? Convey frustration and disapproval.
Question: Which of the following presents a risk that should involve direct oversight from the DNS?
Mr. Smith is a 75-year-old man with diabetes and moderate dementia. Staff are often overheard saying he is both difficult and demanding