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A 100.0 g piece of hot aluminum is placed into a beaker containing 200g of water at 25.0*C. The temperature of water at thermal equilibrium is 45*C. What was the initial temperature of the aluminum? The specific heat of water is 4.184 J/g *C & specific heat of aluminum is 0.0902 J/g*C
When maleic acid is heated to about 100C it forms maleic anhydride.however fumaric acid requires a much higher temperature
The rate constant for a reaction is 1.6 x 10^-2 s^-1 at 680k and 4.6 x 10^-2 s^-1 at 890 K. What is the activation energy?
What is the volume of the container needed to store 0.8 moles of argon gas at 5.3 atm and 227°C.
Consider the same dilution above for an SN1 reaction. Would the time required for 95% for the starting material to react change as a result of this dilution?
What is the concentration of [Cl?] in a solution of 10 mL of 12 M HCl when 6 mL of water is added?
calculate the molar mass of naphthalene, the organic compound in "mothballs," if a solution prepared by dissolving 5.00g of naphthalene in exactly 100g of benzene has a freezing point 2.00 degrees celcius below that of pure benzene.
How could you convert butanoic acid into the following compounds? Write each step showing the reagents needed. (a) 1-Butanol (b) 1-Bromobutane and (c) Pentanoic acid
if 25.00mL of .2500 M formic acid is titrated with 25.00mL of .2500 M NaOH, what is the pH at the equivalence point? the Ka for formic acid 1.8x10^-4.
Calculate the theoretical yield when 7.0 ml of acetic anhydride , 4 drops of phosphoric acid
Assume a gasoline is isooctane, which has a density of 0.692 g/mL. What is the mass of 2.5 gal of the gasoline (1 gal = 3.78 L)? Answer in units of kg.
What is the value of Kc for the decomposition of ammonium carbamate into ammonia and carbon dioxide?
Reaction A has positve delta H and positve delta S, reaction B has positive delta H and negative delta S, reaction C has negative delta H and positiveS, reaction D has has negative delta H and negative delta S
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