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Hydrochloric acid can dissolve calcium carbonate. Predict the balanced chemical reaction. How much HCl is required to dissolve 24.2g of calcium carbonate? The density of HCl is 1.149 g/Ml.
What is the melting point of mixture of 2.00 lb of NaCl and 12.00 lbs of ice if exactly half of the ice melts? Assume that all the NaCl dissolves in the melted ice and that the van' Hoff factor for the resulting solution is 1.44.
A patient's blood test shows that she has elevated levels of LDL (low density lipoproteins) at 4.12 mmol/L. Convert this concentration to units of molarity (mol/L).
When gaseous F2 and solid I2 are heated high temperatuer the I2 sublimes and gaseous iodine heptofloride forms.350 torr of F2 and 4.1 gm of solid I2 are put in to a 2.5 L container at 250k and container is heated to 550k. What is final pressure. a..
What is the pH at the equivalance point of the titration of 30 ml of 0.2 M nitrous acid with 0.1 M NaOH
What is the initial pH of this buffer? 2. What is the pH of the buffer in question
toluene c7h8 and nitric acid hno3 are used in the production of trinitrototoluene tnt c7h5n3o6 an explosive.c7h8
a) write out the acid dissociation reaction for hydrochloric acid. b) calculate the pH of a solution of 5.0 x 10^-4 M HCl. c) write out the acid dissociation reaction for sodium hydroxide. d) calculate the pH of a solution of 7.0 x 10^-5 M NaOH.
Diethyl ether is a volatile organic compound. The vapor pressure of diethyl ether is 401 mm Hg at 18°C and the Hvap = 26.0 kJ/mol. Calculate the vapor pressure of diethyl ether at 40°C.
Outline a complet mechanistic sequence for the reaction of 2-bromoheptane with potassium 2-methyl-2-propoxide in 2-methyly-2-propanol solvent to form the three alkenes generated in the reaction
Calculate the delta G of a reaction at T=25 degrees C that has an equilibrium constant (K) of .56. Is the delta G value negative, positive
for each of the following slightly soluble salts write the equilibrium equation dor dissociation and the solubility product expression: a)Ag2S. b)Al(OH)3. c)BaF2.
Based on the 4 attached spectra, propose a structure for the unknown organic compound. Please explain each spectrum (IR, H NMR, C NMR, & Mass Spec)
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