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An unknown metal is found to be arranged in an fcc structure. The density of the metal is 8.91g/cm3 and the edge cell length is 352.4pm find out the molar mass of the metal. Define what is the metal?
50 g of aluminum oxide is produced in the reaction of aluminum metal and oxygen gas at STP. How many liters of oxygen gas were reacted?
When limestone is heated it releases CO2 and CaCO. How many grams of CaCO3, whose purity is 95%, are required to yield 250. g of CaCO
A solution transmittance is 35% at 260 nm. What will the solution absorbance be if you dilute 25.0 ml
Explain the following situations based on your gas solubility knowledge. a. It is a warm day and a manufacturing plant accidently spills heated wastewater into the White River. Dead fish are seen downstream from the plant.
Based on formal charges, which statement about the best Lewis structure of a molecule composed of one atom each of N, S, and Cl is correct
Calculate the solubility-product constant for Zn3(AsO4)2. Ksp = (c) The Ksp of Ag2CO3 at 25 oC is 8.46e-12. What is the molar solubility of Ag2CO3? solubility = mol/L
how much heat in kj is required to warm 12.0 g of ice initially at -13.0 degree celcious to steam at 114.0 degree
a solution of 75 ml of 0.2 m nh3 is titrated with 50 ml of 0.5 m hno3. what is the ph of the resulting solution when 17
What statement below best describes the graph representing the integrated 1st order rate law plot of ln[a] vs t having a straight line negative slope equal to -k
suppose that the microwave radiation has a wavelength of 12.7 cm. how many photons are required to heat 200. ml of
Calculate ?G' and Kp for the following equibibrium reaction at 25'C/ The ?Gf' values are 0 for Cl2(g), -286 kJ/mol for PCl3(g), and -325 kJ/mol for PCl5(g).
note the lewis structure h3o. highly electronegative atos often have a partial negative charge on them. negative formal
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