How many photons of radiation are required to heat water
If the oven uses microwave radiation of wavelength 12.2 cm, how many photons of this radiation are required to heat 1.28 g of water 1.00°C, assuming that all the photons are absorbed?
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Treatment of 4-chloro-1-butanol with one equivalent of lithium diisopropylamide (LDA) as a base leads to rapid formation of a compound with the molecular formula C4H8O.
A 26.0-g sample of ice at -11.0°C is mixed with 123.0 g of water at 90.0°C. Calculate the final temperature of the mixture assuming no heat loss to the surroundings. The heat capacities of H2O(s) and H2O(l) are 2.08 and 4.18 J/g · &
Two tanks are connected by a valve and line as shown below. The volumes are both 1 m3. Tank A contains R-134a at 20°C, quality 15% and tank B is evacuated.
How many kilojoules are required to raise the temperature of a 150. g sample of silver from 25 degree celcius to 135 degree celcius? silver has a specific heat of 0.235J/g degree celcius.
The area of a rectangle with a perimeter of 200 cm is modeled by a function A = 100L - L^2, where L is the length of the rectangle. What is the reasonable domain for the context of this situation?
What is being asked? Using the values of the effective molar absorptivities you determined from your slopes and the values of the absorption you obtained for the mixture at the spectral maxima of 434 nm and 618 nm, solve the 2x2 simultaneous linea
A graduated cylinder contains 138 of water. A 19.0 piece of iron (density = 7.86 ) and a 25.0 piece of lead are added. What is the new water level in the cylinder?
How many grams of malonic acid would be needed to make 50.0 milliliters (0.0500 L) of 0.200 M malonic acid? The formula for maganese sulfate monohydrate is MnSO4 x H2O. What is its molar mass?
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You now turn your attention again to the lower intertidal zone. Individuals of all three species can survive there in the absence of the others
Which of the following occurs during the replication of a DNA molecule? A will be paired with G, and T will be paired with
What degree of invasiveness would you be willing to accept if you were conducting an experiment using brain measures to examine welfare?
Q1. Define extinction. Q2. Name and describe two natural factors that contribute to extinction.
Question: Which of the following is a risk of low crop diversity? Better resistance to climate change Increased number of wild species of the crop
Describe the various layering arrangements and cell shapes of epithelial tissue. What characteristics are common to all epithelial tissues?
What effect does fascicle arrangement have on a muscle's action? Explain the difference between axial and appendicular muscles.