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A sample of Chlorine gas occupies a colume of 711 mL at pressure of 251 mmHg. Calculate the pressure of the gas (in mmHg) if the volume is reduced at constant temperature to 173 mL in scientific notation.
When 1.00 g of urea (CO(NH2)2) is dissolved in 200g of solvent A, the freezing point is lowered by 0.250C. When 1.50 g of the nonelectrolyte Y is dissolved in 125 g of the same solvent
Given the following heat capacities, (assume they are constant over the temperature range in consideration here), calcrulate enthalpy for the reaction 2NO + O2 ->2NO2 at 398k.
Ammonia (NH3) can be commercially manufactured using a variety of different processes. Feedstocks for these various processes range from wood, peat, coal, natural gas or oil. What different processes can be used to manufacture ammonia NH3
Which is predicted to be the most ionic substance?
what is the purpose of ethylene glycol in this chemical experiment. why is it chosen specifically for this reaction.
Draw the Lewis structure of the molecule, assuming that the Cl atoms bond to a single C atom and that there is a C-C bond and two C-O bonds in the compound.
How long must a current of 0.75 A pass through a sulfuric acid solution in order to liberate 0.100 L of H2 gas at STP
A piece of metal with a mass of 146 g is placed in a 50 mL graduated cylinder. The water level rises from 20. mL to 35 mL. What is the density of the metal?
Calculate the reaction's rate constant (k) at this temperature. Calculate the reaction's half-life (t1/2) at this temperature
Using triethylamine with alkyl halides such as iodoethane, 1-bromopropane, 2-bromopropane, describe how steric hindrance affects the rate of an Sn2 reactions. Use specific chemical examples to support the conclusion
calculate the pressure change needed to completely hydrogenate this substance at room temperature and 50 degrees celcius.
Calculate the molarity of S2O32- if 3.0 mL 0.10 M K2S2O8, 2.0 mL 0.10 M K2SO4, 1.0 mL 2% starch, 2.0 mL 0.010 M Na2S2O3, and 5.0 mL 0.20 M KI are mixed.
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