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A sample of a metal with specific heat .95 J/g C is heated to 80 C and then placed in a calorimeter with 450g of water. The initial temperature of the water is 19 C and the final temperature of the system is 25.1 C. What is the mass of the metal?
Will B-myrcene and allo-ocimene structures not form Diels-alder adducts with maleic anhydride. explain why in each case
Determine the pH (to two decimal places) of the following solutions. A table of pKa values can be found here. If the 5% approximation is valid, use the assumption to compute pH.
For the elementary processes whose equations are given below, determine whether each is unimolecular or bimolecular and determine the rate law for each process. Pick the choice which is correct.
Calculate the amounts of C 7 H 8 , C 7 H 16 , and H 2 in the output stream express your answer (in mol s -1 ).
The decomposition of NO2 by the following reaction at some temperature proceeds at a rate 5.40 x 10-5 mol NO2/L.s when [NO2] = 0.01144 mol/L.
a 30 g car rolls from a hill 12 cm high and is traveling at 154 cm/s as it travels along a 275 cm horizontal track. what is the momentum of the car?
why we call benzene phenyl and not benzyle when one hydrogen is removed because in case of alkanes we name them alkyl on the removal of one hydrogen atom.
a solution of acidic potassium permanganate is added to a solution of iron (II) sulfate Write an unbalanced net ionic equation
What mass of H2O is required to form 1.3L of O2 at a temperature of 320K and a pressure of 0.957atm.
solution with a pipet to a second 500.0 mL volumetric flask and diluting to the mark. Find the concentration of Ag+ in the dilute solution.
Determine the pH of a 0.62 M NH4NO3 solution at 25°C. The Kb for NH3 is 1.76 × 10-5.
How many moles of Ba(OH)_2 are present in 255 mL of 0.800 it M Ba(OH)_2?
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