How many ge atoms would it contain
The density of germanium is 5.325 g/cm3. If you made a 5-nm diameter quantum dot of germanium, how many Ge atoms would it contain? Assume the dot is spherical.
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0.035M O2(g) AND end with 0.012M NO2, what is the equilibrium constant for this reaction and what are the equilibrium concentrations for NO and O2?
Sam, whose mass is 80 kg, takes off accross level snow in his jet powered skis. The skis have a thrust of 212 N and a coefficient of kinetic friction on snow of 0.1. Unfortunatately, the skis run out of fuel after only 10 s. How far has he travell
A 0.0560 g quantity of acetic acid is dissolved in enough water to make 50.0 mL of solution. Calculate the concentration of H+, CH3COO-, and CH3COOH at equilibrium. Ka for acetic acid= 1.8x10^-5
An airplane flies 281 km due west from city A to city B and then 439 km in the direction of 36.4? north of west from city B to city C. What is the distance between city A and city C?
One of the lines in the emission spectrum of sodium has a wavelength of 590 nm. What is the frequency of this line?
What four major contributions did the Roman Republic make that define Western Civilization? Fully discuss and explain these contributions.
If a saturated solution of NH4NO3 at 75 °C is cooled to 15 °C, how many grams of solute will separate if the quantity of the solvent is 129 g.
In a coffee-cup calorimeter, 1.30 g of NH4NO3 is mixed with 74.0 g of water at an initial temperature of 25.00°C. After dissolution of the salt, the final temperature of the calorimeter contents is 23.53°C. Assuming the solution has a heat
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