Chemistry, 13.04.2021 23:30 trinity7265
What is the molar concentration of a solution formed when .55 mol of Ca(OH)2 are dissolved in 2.20 liters of HOH?
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How much energy moves onto the next level, in an energy pyramid
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A100-watt light bulb radiates energy at a rate of 100 j/s. (the watt, a unit of power or energy over time, is defined as 1 j/s.) if all of the light emitted has a wavelength of 525 nm , how many photons are emitted per second?
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650.j is the same amount of energy as? 2720cal1550cal650.cal2.72cal
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Assuming complete dissociation of the solute, how many grams of kno3 must be added to 275 ml of water to produce a solution that freezes at -14.5 c? the freezing point for pure water is 0.0 c and k_f is equal to 1.86 c/m
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What is the molar concentration of a solution formed when .55 mol of Ca(OH)2 are dissolved in 2.20 l...
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