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Explain "a cylinder with a piston contains a sample of gas at 25ocelsius. If the pistons move in response to changing pressure inside the cylinder. Explain at what gas temperature the piston would move therefore that the volume inside the cylinder doubled. Explain what I did was convert 25degrees Celsius to Kelvin and multiplied by 2.
60 MHz HNMR cannot distinguish between erythro (S,R) and threo (R, R) diols. Explain how the acetonide derivatives of these isomers can easily be distinguished by 60 MHz HNMR (include structural diagrams in the explanation).
Consider the following reactions carried out at a constant temperature and pressure. In which of these will the amount of work done be positive, only the coefficients of the reactants are given. All species are gas unless otherwise noted.
If 55.4 mL of BaCl2 solution is needed to precipitate all the sulfate ion in a 740 mg sample of Na2SO4, what is the molarity of the solution?
determine the amount of ascorbic acid? Does the volume of ascorbic acid solution added before titration influence how much iodine solution will be needed?
isothermally against a constant external pressure of 2.85 atm from 3.12 L to 11.85 L. Calculate the values of q, w, delta H, delta S system, delta S surroundings, delta S universe and delta G.
A first-order reaction has a half-life of 20 minutes. Starting with 1.00 x 10 to the 20th molecules of reactant at time t=0, how many molecules remain unreacted after 100
What is the pH of the final solution mixture? KA1=6.2x10^7 KA2=4.4x-^-11
What is the percent yield of a reaction using 10 moles of acetone and 16 moles of benzaldehyde and obtains
Explain why it could be a health hazard to improperly smell a chemical in the laboratory.
Calorimeters and heat capacity, If 2.500 g of Mg is burned in a constant volume calorimeter with a heat capacity of 1.10 kJ/degrees Celsius containing 1.500 L
Outline the mechanism of the reaction of acetyl chloride with NaN3 to give acetyl azide. This reaction is known as Nucleophilic Acyl Substitution.
When ethanol burns C2H5OH + 3O2 ==> 2CO2 + 3H2O , how many moles of water are produced as 48.380 moles of carbon dioxide are produced.
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