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At what temperature will 6.21 g of oxygen gas exert a pressure of 5.00 atm in a 10.0-L container
What is the molecular formula for the alkane with 39 carbon atoms? What is the molecular formula for the cycloalkane with 38 carbon atoms?
what mass of ammonium chloride can be added to 100 grams of water at 20 degrees celcius before the solution becomes saturated?
What is the percent by mass of NaHCO3 in a solution containing 50 g of NaHCO3 dissolved in 400 mL of H2O?
An aqueous solution is 48.3% by mass hydroiodic acid, HI. The density of this solution is 1.6 g/ml at 20 C. How many grams of pure HI are there in 190.0 ml of this solution at 20.0 C?
A buffer is made up 0.24 M propanoic acid, CH3CH2COOH, a weak monoprotic acid, and 0.17 M of sodium propanoate, CH3CH2COONa. What is the pH of the solution.
Which of the following intermediates is believed to occur in the mechanism by which alkenes are hydrated in the presence of acid?
Write the rate laws and determine the units of k (the rate constant) for the following reactions: (a) The reaction A + 2B --> C is found to be second order in A and B, and third order overall
What mass (in grams) of CH4 is contained in a 555 mL volume at a pressure of 760.0 torr, and at a temperature of 400.0 K?
I know it is a dilution problem but I am lost other than that. Please help. The concentrations and final volumes were given in a table and paired by the way.
How much energy is released during the complete combustion of 329 grams of cyclobutane ?
The pKa of acetic acid, HC2H3O2, is 4.76. A buffer solution was made using an unspecified amount of acetic acid and 0.30 mol of NaC2H3O2 in enough water to make 1.50 L of solution.
what is the correct electron configuration for Cr (chromium). Chose the proper Lewis dot structure for the compound or poliatomic ion: Sulfur Dioxide (SO2).
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