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How many liters of hydrogen gas are formed from the complete reaction of 1.06mol of C? Assume that the hydrogen gas is collected at a pressure of 1.0 atm and temperature of 325K? Using C(s)+H2O(g)=CO(g)+H2(g)
A solution is made that is 1.1×10^?3 M in Zn(NO3)2 and 0.150 M in NH3. After the solution reaches equilibrium, what concentration of Zn2+(aq) remains
Conclude the range of pressures that this system can exists as 2 phases By imagine Raoult's law is applied to the system
250g of ice at 265K is mixed with 100g of water ar 305K. Calculate the final temperature of the mixture. Assume that no energy in the form of heat is transferred to the environment. (heat of fusion=300J/g; c(ice) =2.06J/g*K, c(water)=4.184J/g*K.
Blood alcohol content (BAC) is often reported in weight-volume percent (w/v%). For example, a BAC of 0.08% corresponds to 0.08 g CH3CH2OH per 100 mL of blood. In Ontario, and the rest of Canada, the maximum legal BAC for fully licensed drivers is ..
Calculate the percent ionization of 0.00340 M hydrocyanic acid (Ka = 4.9e-10). % ionization = % (b) Calculate the percent ionization of 0.00340 M hydrocyanic acid in a solution containing 0.0220 M sodium cyanide. % ionization = %
Calculate the volume (in liters) occupied by 2.08 moles of nitric oxide (NO) at 5.84 atm and 76°C.
What mass of I2 is needed to add to a 250 mL volumetric flask to produce a solution that is 0.20 M? (Enter unit as g.)
25g of a hydrocarbon undergoes complete combustion leading to the formation of 77 g of CO2. What is the % of carbon in the hydrocarbon?
A 1.00 L balloon filled with nitrogen at 25 ° C and 765.3 torr is moved to a closed vessel with the pressure now at 659.3 torr and temperature 25 ° C.
When a 30 mL sample of KOH solution is titrated with a standard solution of 0.411 M benzoic acid, it takes 25.5 mL to reach the equivalence point of the titration. What was the original concentration of the base?
From the plots of the boiling point versus the volume of distillate in the simple distillation experiments, what can you conclude
Describe how you would construct your target electrochemical cell, including the identities and concentrations of all chemical species, as well as a diagram of the setup.
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