What are the frequency and the energy of a photon
The bright yellow light emitted by a sodium vapor lamp consists of two emission lines at 589.0 and 589.6 nm. What are the frequency and the energy of a photon of light at each of these wavelengths? What are the energies in kJ/mol?
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An RL series circuit has R = 79.0 Omega and L = 1.95 mH. The series combination is connected across a 170 V (rms), 59 Hz power supply. A Find the phase angle.?
The upper half of the container holds steam (of density 5kg/m^3) while the lower half contains water (of density 1000 kg/m^3). What fraction of the overall mass is steam?
An experiment was performed using HCl. We wrote down the molarity on the bottle and then used a pH meter to find the pH. From the pH we then calculated the [H+] (hydrogen ion concentration) from the pH that we measured.
Let X be the number of teams from SD on Pete's season schedule. What's the probability that none of the Pete's opponents are from SD? What distribution and parameter(s) are you using?
Based upon a comparison of the calculated and measured average temperatures, which planet is most affected by radiation transfer in its atmosphere?
Let A be the number of rounds until Lionel wins his first stuffed animal. What is the distribution and parameters of A? Also, find the expected value and variance of A.
There are 40 students in an elementary statistics class. On the basis of years of experience, the instructor knows that the time needed to grade a randomly chosen first examination paper is a random variable with an expected value of 6 min and a s
Find the peak magnetic field in an electromagnetic wave whose peak electric field is 240 N/C.
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How is it rational for the owner of a factory or plantation to work his laborers to death or disability when they can easily be replaced cheaply?
When people get involved in community and social change but do not hold official political positions, which of the terms best describes what they are part of
Real-Life Cat and Mouse Chase: Understanding the Perceptions and Attitudes of Street Vendors of Metro Manila towards MMDA Regulation No. 03-004
Staying with Nigeria, rewind the year to 1950. Using the +5 year control, fast forward in 5 year increments until you reach 2020.
Even though are coastlines are very vulnerable to multiple climate change impacts, the good news is that because most of our urban settlements
Question: Which of the following statements about sociological approaches are true?
Question: Examine gender inequality on a global scale, considering how factors such as globalization, colonialism