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The atmosphere of Mars has a mass of 2.5 * 10^16 kg and comprises of two major species: carbon dioxide (95%) and nitrogen gas (3%). Given that the equatorial radius of Mars is3,397 km, calculate the mass of a single column of atmosphere over a 1 m^2 surface area on the planet. Assume that the planet is a smooth sphere with no variations in landscape such as mountains or valleys
Sketch a molecule of Pbr3Cl2 in which the chlorines are in axial position position. Sketch another molecules of Pbr3Cl2 in which the chlorines are equatorials positions.
A sample contains Ba3(PO4)2, CoS, AgCl, NH4Cl, and ZnS. Identify the precipitate after the addition of 6 M HCl, then H2S and 0.2 M HCl.
A 2.0 L-reaction flask initially contains 0.17 mol CO, 0.15 mol H2, and 0.10 mol CH3OH (methanol). If this mixture is brought in contact with a zinc oxide-chromium(III) oxide catalyst, the equilibrium shown below is attained.
Old aspirin tests positive to a FeCl3 test, and so does aspirin that is heated in boiling water, why. Write the chemical reaction of aspirin and water at high temperatures.
Thomas used equimolar amounts of diethylamine and alpha chloro-2,6-dimethylacetanilide in the preparation of Lidocaine. All the starting material reacted but failed to isolate any Lidocaine.
In a purity check for industrial diamonds, a 10.25 carat diamond is heated to 74.21 oC and immersed in 26.05 g of water in a constant pressure calorimeter.
Compute the volume of the tank if this tank has 115 moles of neon gas and has a pressure of 57 atm at a temperature of 45 0C.
Four of the following statements about the ammonia molecule, NH3, are correct. One is not. Which one. A) The ammonia molecule is tetrahedral.
write an equation that represents the reaction of 2% ethanolic PBP solution with 4- methlycyclohexene and name
Calculate the molar concentration of uncomplexed Zn2+ in a solution that contains 0.20 mole of Zn(NH3)42+ per liter and 0.0116 M NH3 at equilibrium.
What is the theoretical yield of PH3, when 150 g of Na3P is mixed with 250 grams of water? If the actual yield is 30 g, what is the % yield?
Solve an equilibrium problem (using an ICE table) to calculate the pH of each of the following solutions. 0.17 M CH3NH2Cl
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