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If photons of green light (wavelength=530 nm) are used to locate the position of the basketball (thrown with a velocity of 30 m/s) with precision of one wavelength of the green light, what would be minimum spread in the speed of the baseball?
Given the following half-cell reactions, write the overall reaction and calculate the standard reduction potential for the cell. Mn3O4 (s) + 4H2O (l) + 2e- ? 3Mn(OH)2 (s) + 2OH- (aq)Eo = 0.002 V
1. a woman requires taking ibuprofen twice daily in 625mg amount. each pill in the bottle is 250 mg then determine the
Compute the osmotic pressure (in atm) of a solution containing 5.50 g ethylene glycol (C2H6O2) in 90.0mL of solution at 25 degrees Celsius.
Draw a circuit diagram that has two resistors in series with a DC voltage source. If resistor one (R1) is 758 kohms and resistor two (R2) is 712 kohms, then what is the current flowing through the circuit if the voltage is 8.49 V?
David J hooper weighs out 13.1 grams of salicylic acid in a 250 mL flask and adds 7.5 mL of acetic anhyride (density=1.080 g/mL) Determine the max (theoretical number of grams) of acetlysalicylic acid he can prepare
For my one of the project i need this information , is any one know where i can find the process flow diagram of sodium hypochlorite, and a chart for world anual production( for each countries)
Calculate the heat given off by the burning Mg in kJ/g. b)Calculate the heat given off by burning Mg in kJ/mol
Explain what is the maximum mole percent of N2 in an air mixture that could be used by divers at depths up to 85 m below sea level without undue risk of nitrogen narcosis
what effect does conjugation (alternating single and double or alternating single and triple bonds) have on the location
Fission of one mole of U-235 releases 1.9 x 1010 kJ. Calculate the number of kg of coal needed to produce the same amount of energy as the fission of 1 kg of U-235 (235.05g/mol)
What is the final temperature in a squeezed cold pack that contains 50.0 g of NH4NO3 dissolved in 135 mL of water?
How do the spacings of the energy levels of X and H compare, where X has one electron like the H atom but has different energy levels and for X: E = - (RH / n3) and RH is the same as H (2.179 ×10?18J)?
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