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Ethylene glycol, C2H6O2, is an ingredient of automobile antifreeze. Its density is 1.11 g/cm^3 at 20 °C. If you need exactly 500. mL of this liquid, what mass of the compound, in kg, is required?
Please show using the "fence" method/conversions.
when taking a tlc plate and recording the Rf values what must you always write down in order for someone else to be able to reproduce your work
The reaction of methane and water is a way to prepare hydrogen according to CH4(g)+H2O=CO2(g)+H2(g) a) If 995 g of CH4 reacts with 2510 g of water, how many moles of reactants and products are there when the reaction is finished
The calcium from 0.5456 g limestone sample dissolved in water was precipitated as calcium oxalate as well as ignited to calcium carbonate for weighing. The ignited precipitate weighed 0.2678g. Compute the percentage of calcium in the limestone sam..
Will solutions of the following salts be acidic, basic, or neutral? a)K2SO4 b)KNO2 c)CaF2 d)NH4Cl
Calculate a change in pH when 10 mL of 0.2 M LiOH is added to the buffer made by mixing 50mL of 0.1 M hydrobromous acid (HOBr) and 40 mL of 0.2 M of sodium hydrobromide
The enzyme, phosphogucomutase, catalyzes the interconversion of glucose 1-phosphate and glucose 6-phosphate. If at chemical equilibrium at 25 degrees celcius, 95% glucose 6-phospate is present, calculate
1) Why are the shapes of molecules important? 2) ) What is molecular polarity and give common examples.
Compute the morality of the excess reagent in 8.0mL of 0.10M FeCl3 in 0.02M HCl + 4.0mL of 0.010M K4[Fe(CN)6].
Sketch the H NMR spectra for all of the isomers of RhH2Cl(PPh3)3. Consider only the hydride hydrogens (directly bonded to rhodium). Assume the following coupling constants: 1J(1H-103Rh)=300 Hz; 2J(2H-31P(cis))=30 Hz, 2J(1H-31P(trans))=120 Hz; 2J(1H..
Consider the combustion of liquid ethanol. a) Write the complete balanced chemical equation for the reaction, including state subscripts. b) Calculate the change in enthalpy per mole of ethanol.
can someone help me out with this question please i am notgetting the right answer. i have tried answers 46.8 45.6
The molecule, atracurium, is a very complex drug. Atracurium exhibits a very short half-life (20-min). The products of the fastest inactivation process are shown. Define what mechanism is responsible for the formation of the products.
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