DISCUSSION AND CONCLUSION

Classify the phrases based on whether they describe fluorescence or phosphorescence. Fluorescence Phosphorescence Answer Bank T, to So longer wavelength higher energy shorter wavelength lower energy S, to So

Some water waves reach the beach at a rate of one every 3.2 s, and the distance between their crests is 2.1 m. Calculate the speed of these waves.

Here is a graph of the probability of an atom moving with a particular speed, for a sample of neon gas at – 144. °C. probability 100 200 300 400 500 600 700 800 900 speed (m/s) Use this graph to answer the following questions. Round each of your answers to the nearest m/s. Note: your answers must be within 25 m/s of the exact answers to be graded correct. What is the most likely speed of a Ne atom in this sample? What higher speed is only half as likely as the most likely speed? What higher speed is only 10% as likely as the most likely speed?

3. The visible spectrum is in the 400-700 nm range, and contains about 40% of the sun's radiation intensity. Using the Planck Distribution, write an integral expression that can be evaluated to give this result (do not evaluate the integral).

Organic molecules (that contain carbon and other elements) are often probed using IR radiation. Certain bonds within the molecules vibrate at certain frequencies. If the carbon-oxygen bond in a molecule absorbs radiation of wavelength 9.6 μm, what frequency is that radiation?

Here is a graph of the probability of an atom moving with a particular speed, for a sample of neon gas at -110. °℃. probability 0 100 200 300 400 500 speed (m/s) What is the most likely speed of a Ne atom in this sample? 600 What higher speed is only half as likely as the most likely speed? What higher speed is only 10% as likely as the most likely speed? 700 Use this graph to answer the following questions. Round each of your answers to the nearest m/s. Note: your answers must be within 25 m/s of the exact answers to be 800 0-2 S 900 1000 m S OFF

Part 3-Long Answer Please choose ONLY THREE of the following FOUR questions to answer. Show all your work 1. You are building a pipe organ for a fancy opera theatre. Each pipe is open at one end and closed at the other. The air in the theatre is kept at 15 degrees Celsius. You want a particular pipe's fundamental frequency to be a high "C" note, with a frequency of 4186.009 Hz. How long must this pipe be in order to play the correct note?

TYPE ALL WORK OUT PLEASE and USE CORRECT Sig Figs!!!   Question 8 A microwave is found to emit electromagnetic radiation with a frequency of 378 MHz. Determine the energy (in J) of a photon from this microwave.  For large numbers, you can leave off the "x 10" portion here. For example, if you answer is 5.5 x 1025, you can type "5.5" here and write the full answer on your paper.

State what electron rule is appropriate on the situation and explain why

I am curious if someone could check these answers for me? I believe they turned out incorrect and am curious to see what I need to do to fix them. Thanks!

Which statement correctly compares what occurs when molecules absorb photons in the microwave region with what occurs when molecules absorb photons in the infrared region?   a.) Microwave photons cause the molecules to increase their rotational energy states, whereas infrared photons cause the molecules to increase their vibrational energy states.     b.) Microwave photons cause electrons in the molecules to increase their electronic energy states, whereas infrared photons cause the molecules to increase their rotational energy states. c.) Microwave photons cause the molecules to increase their vibrational energy states, whereas infrared photons cause electrons in the molecules to increase their electronic energy states. d.) Microwave photons cause the molecules to increase their rotational energy states, whereas infrared photons cause electrons in the molecules to increase their electronic energy states.

What is the frequency in Hz

1 Write a general statement about what happened to temperature when the microwave was turned on.   2 Do you think the number of molecules makes a difference in the change of temperature? Explain why.

How do I count the valence electrons on a carbon radical?

Please help with my homework.Thank you

Explain Frequency Factor?

Now draw two waves on your own sheet of paper. Predict what would happen if they arrive at the same spot at the same time (also known as "in-phase"). What would be the effect? Enter your answer here Save Answer

Please answer question 16 Part A

Wavelength (nm) I'm not sure what equation I can come up with other than the one generated with my graph. Can you please show me the calculations that were used to find this equation? Give an equation that relates energy to wavelength. Explain how you arrived at your equation. Wavelength Energy (kJ/mol) (nm) 350 341.8 420 284.8 470 254.5 530 225.7 580 206.3 620 192.9 700 170.9 750 159.5 Energy vs. Wavelength (Graph 1) 400 350 y=-0.4367x+470.82 300 250 200 150 100 50 O 0 100 200 300 400 500 600 700 800 Energy (kJ/mol)

Sound waves, like light waves, can interfere with each other, giving maximum and minimum levels of sound. Suppose a listener standing directly between two loudspeakers hears the same tone being emitted from both. This listener observes that when one of the speakers ismoved 0.16 m farther away, the perceived intensity of thetone decreases from a maximum to a minimum.(a) Calculate the wavelength of the sound.(b) Calculate its frequency, using 343 m s-1as the speedof sound.