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Explain if 12.5 grams of a certain fertilizer is found to contain 3.35 grams of phosphorous as P2O5, explain what is the value of P in the N-P-K designation?
Calculate the freezing point and boiling point of a soultion of 383g of glucose dissolved in 400. g of water.
what is the diffrence between anatomical theory of diease, humoral concept of diease, and germ diease.
in order to make a standard solution of ethylene diaminetetraacetic acid pure disodium edta dihydrate can be used as a
write a balanced equation for the reduction of 9-fluorenone to 9-hydroxyfluorene by sodium borohydride. what is the
it requires a photon with a minimum energy of 4.41 x 10-14 j to emit electrons from sodium metal.a what is the minimum
Why does this calculation only provide an estimate of the NaOH concentration. In other words, why do we have to standardize the HaOH in this experiment to find its exact concentration
A hot-air balloon has a volume of 875 L. What is the original temperature of the balloon if its volume changes to 955 L when heated to 56 degrees celcius
Unknown compound A (C8H12) is reacted with H2 (excess) in the presence of a palladium catalyst forming compound B (C8H16). In addition when compound A is reacted with O3 followed by zinc and acetic acid the following two compounds are formed
Use values of Ksp for Zn(OH)2 and Kf for Zn(OH)4-2 (page 330) to predict if a precipitate will form when you prepare a solution which contains 0.010 M Zn2+ and 1.0 M NaOH.
what is the molality of a solution prepared by dissolving 413 mg of kbr in 6.45 ml of water at 25.0 0c. the density of
A scuba diver with a lung capacity of 5.4 inhales a lungful of air at a depth of 48 and a pressure of 5.8. If the diver were to ascend to the surface (where the pressure is 1.0 ) while holding her breath, to what volume would the air in her lungs ..
The absorbance at 595 nm was 0.78 and,according to a standard curve, corresponds to 0.015 mg of proteinon the x axis. What is the protein concentration of the original solution?
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