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Problem- What mass of salt (NaCl) should you add to 1.54L of water in an ice cream maker to make a solution that freezes at -11.0?C ? Assume complete dissociation of the NaCland density of 1.00 g/mL for water.
Solve the above problem and provide steps with explanation
the structure and names of five alkenes having the molecular formula C6H12 that produce hexane on catalytic hydrogenation
The boiling point of an aqueous solution is 101.53 °C. What is the freezing point? Constants can be found here.
hc2h3o2aq h20l ltgt h3oaq c2h3o2 aqin aqueous solution acetic acid as represented above. in 0.0105m hc2h3o2 aq at 25c
One mole of a monatomic ideal has at a temp of 500K and 6atm pressure is subjected to the following changes: (all are reversible changes)
A 14.0 L gas cylinder is filled with 8.00 moles of gas. The tank is stored at 9 degrees celsius . What is the pressure in the tank
Calculate the percent by weight, mole fraction and mole percent of each component in a mixture consisting 9g of water (H2O), 120g acetic acid(CH3COOH) and 115g of ethyl alcohol (C2H5OH).
question the first-order decomposition of so2cl2 to sulfur dioxide gas and chlorine gas at 320degc has a half-life of
A 1 mM solution of HCl is prepared, and enough KCl is added to adjust the ionic strength to u= 0.1 M. Calculate the pH of the solution
A 0.150 M NaCl solution is referred to as a physiological saline solution because it has the same concentration of salts as normal human blood. Calculate the mass of NaCl needed to prepare 275.0 mL of a physiological saline solution.
Explain what is the entropy of a mixture made up of 2.4 moles of O2 as well as 9.2 moles of N2 at the same temperature and pressure? The absolute molar entropies of O2 and N2 are 205 J/K.mol as well as 192 J/K.mol respectively at 25 C
mercury nanometer contains 2 g of Ar. A burner heats it to Pext. at 760 torr. What is the Temperature of the gas in the bulb when the total volume is 3 L and H=76mm
Calculate the nuclear binding energy per mole of nuclei of and the binding energy per mole of nucleons for 31P. The required masses (g/mol) are: 1 1H = 1.00783; 1 0n = 1.00867; 31 15P = 30.97376
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