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Offer the experimental procedure necessary to make the subsequent solution- 10.00mL of a 0.0300M solution of CH3COOH from a stock solution with a concentration of 0.0780M
Explain with which food label value will you compare your experimental result when computing the percent difference in your determination of energy content. Briefly describe
How do I find the volume of that solution so I can find the concentration of Cl after titration?
The discovery of hafnium, element number 72, provided a controversial episode in chemistry. G. Urbain, a French chemist, claimed in 1911 to have isolated an element number 72 from a sample of rare earth (elements 58-71) compounds. However, Niels B..
An ideal gas is expanded reversibly and isothermally from 10 bar to 1 bar at 298.15 k. what are the values of (w), (q), delta U, and delta H. If the ideal gas expands isothermally against a constant pressure of 1 bar, how much work is done on the ..
Calculate the expected change in temperature for 4.5 g of NH4NO3 dissolved in 100.0 mL of H2O. Assume that the calorimeter absorbs no heat.
1. calculate the h of a solution obtained by mixing 1 l of hydrochloric acid 1.0 m with 1 litre of sodium hydroxide
Draw a diagram of the electrochemical cell, labeling all electrodes and solutions. (1B). What is the pH in the Pt | H+ | H2 half-cell? (1C). What is the value of the equilibrium constant for the reaction occurring in this cell
What is the empirical formula of this compound. If, for example, the compound was C2Cl3F, then one would input `C2Cl3F' - no spaces, no commas, proper case for the letters in the atomic symbols, and alphabetical order of the elements is required h..
a 54.1 gram sample of an unknown hydrocarbon was burned in an excess of oxygen to form 88.0grams of carbon dioxide and 27.0grams of water. what is a possible molecular formula for the hydrocarbon?
how much pv work is done if 88.0 grams of c 2h 4 ethylene and 120 grams of hydrochloric acid hcl are permitted to react
Calculate the pH at the equivalence point of a titration of 0.3326 g of THAM (pka=5.92) dissolved initially in 25 mL of H2O
If 50.0mL of 1.60M HCl was added to 50.0mL of 1.80M NaOH, calculate the molarity of the resulting NaCl solution. (Hint calculate the moles of NaCl made.
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