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The number of moles of C8H4O4^-2 at the equalalence point, and the total volume at that point to calculate the ph for each sample at the equivalence point. What equations should i be using?
Indicate whether each of the following reactions lies to the right, favoring the formation of products, or lies to the left, favoring formation of reactants.
Calculate the pH when 6.00 mL of 0.100 M HCl(aq) is added to 100.0 mL of a buffer solution that is 0.100 M in dimethylamine (aq) and 0.100 M in dimethylamine hydrochloride (aq). Use the pKa given in your textbook (Harris, appendix G).
A test tube containing a mixture of KCl, KClO3, and MnO2 having a total weight of 23.584 g was heated to compose the KClO3. After heating, the mass was found to be 22.347 g.
a mass of 2.50 g of hydrated copper sulfate is placed in a crcible and heated. on heating, 1.59 g of white anhydrous copper sulfate is left behind. determine the ratio of water to copper sulfate.
A foul-smelling gas produced by the reaction of with was collected, and a 1.00 sample was found to have a mass of 1.52 at STP. What would be the formula.
The following acid-base reaction is performed in a constant pressure calorimeter. H+ (aq) + OH-(aq) ? H2O (l) ?H=-57. 32 kJ/mol The temperature of 1000.0 g of water rises from an initial temperature of 24.5 °C to a final temperature of X °C when ..
What are amino-acid tRNA synthetase enzymes and why are they important in the biology of cells? How many different ones do you know exist in any given cell type
if water is added to magnesium nitride, ammonia gas is produced when the mixture is heated. if 10.3 g of magnesium nitride is treated with water, what volume of ammonia gas would be collected at 20 celcius and .989 atm
For complex molecules, such as those found in organic chemistry and those involving proteins, it is often the case that a) possible reactions are dictated by how the molecule was formed
what is the theoretical yield of aluminum oxide if 2.40 mol of aluminum metal is exposed to 2.10 mol of oxygen
what is the bronsted-lowry definition of an acid ,and how does thiss affect the concentration of H+ in a solutin?
Consider the temperature change, together with the volume and concentration of the acid and base, noted in the HAZMAT team's response regulation information
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