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A buffer is prepared by adding 11.0 g of ammonium chloride to 250 ml of 1.00 M solution...What is the pH of this buffer?
How many grams of potassium permanganate are needed to decolorize 1g of 2-pentane in basic solution?
4 NH3(g) + 5 O2(g) → 4 NO(g) + 6 H2O(g) In a certain experiment, 4.30 g of NH3 reacts with 7.48 g of O2. Which is the limiting reactant?
Carboxylic acids have higher than expected boiling points due to dimeric associations involving hydrogen bonding. The structure of 3-methylbutyric acid is shown below. Draw a second molecule of 3-methylbutyric acid
Consider the following reaction how many moles of oxygen are requited to produce 1.50 moles of water. Assume that there is an excess of C3H7SH present.
Calculating Volume, Pressure & Density, Calculate the density, in g/L, of SO2 at 75°C and 1.33 bar. (Round your answer to two decimal places)
What is the value for the rate constant, k? What is the concentration of urea in this solution after 4700 seconds if the starting concentration is 0.495 M?
A procedure called coulogravimetric analysis combines a weight determination with a measurement of the quantity of electricity in a controlled-potential electrolysis to analyze bromide-chloride mixtures
Calculate the average net charge on phenylalanine if it is in a solution that has a pH of 8.40 (If the charge is positive, you do not need to enter a \+ \" sign.)
What volumes of sulfur dioxide and dihydrogen sulfide gases are necessary to produce 11.4 L of water vapor? The balanced equation is SO2 + 2 H2S à 3 S + 2 H2O.
the delta H OF vaporization for a new substance is 45 kj/mol and its delta H sublimation is 62 kj/mol, how much energy is needed for freezing 2.75 mol of a substance
can be isolated from the bark of wild cherry trees. Show the reactants that you would use to synthese scopoletinc
How do you calculate H2 volume needed when you are given power output required is 1kW, V .78, run for .6 hours? I only have a rate equation to work
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