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What amount of HCl gas must be added to 1.00 L of a buffer solution that contains [acetic acid] =2.0 M and [acetate]=1.0 M in order to produce a solution with pH =4.24?
What is the specific heat constant if 621 g of Metal A raises the temperature of water by 3.20°C and releases 1.20 kJ of heat
When the same flask is filled with concentrated sulfuric acid, H2SO4, its mass is 1026.57 g. What is the density of concentrated sulfuric acid. Assume water has a density of 1.00 g/cm3 at the temperature of the measurement.
A circular storage tank in the san Ardo california oil field water treatment facility is 50 yards in diameter. Estimate how many barrels of fluid this tank could hold
The probability of filling a 3p orbital relative to the 3s orbital is 3/1. Assuming that the total Mg+ population in a given atomization source is 3.5 x 10^18 ions at any given time, what would be the number of ions that are in the excited 3p stat..
In the preparation of the esters given in this reaction, the reaction product is extracted with 5% sodium bicarbonate solution (NaHCO3)in the isolation step. Why? What gas is evolved during this washing step? Write a balanced equation for the reac..
What determines whether two substances are likely to be miscible with each other, in terms of thermodynamic and intermolecular forces
Decane has 4.5 min retention time on HP-1 column (25 m length, 0.25 mm I.D., 0.33 mkm film thickness) at 120C. Calculate the capacity factor for decane on HP-1 column (25 m length, 0.25 mm I.D., 0.5 mkm film thickness) at 120C. Explain.
Write a mechanism for the reaction. Include arrows to show electron flow. Number and write out each step individually.
Consider an ideal gas with an absolute temperature of T1. To what temperature would you need to heat the gas to double its pressure?
A compound of bromine and fluorine is used to make UF6, which is an important chemical in processing and reprocessing of nuclear fuel. The compound contains 58.37% by mass of bromine. Determine its empirical formula.
Calculate the number of moles of carbon dioxide formed if 231 grams of calcium carbonate decomposes. CaCO3(s) ? CaO(s)+CO2(g)
The Ksp for PbBr2 = 8.9 x 10^-6. Calculate the molar solubility of this compound on a .20M Pb(NO3)2.
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