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State the running engine of an automobile produces carbon monoxide (CO), a toxic gas, at the rate of about 188 g CO per hour. If A car is left idling in a poorly ventilated garage that is 5.6 m long, 4.0 m wide, and 2.2 m high at 20°C. Explain how long would it take to build up a lethal concentration of CO of 1000 ppmv parts per million by volume?
Predict the physical state of ammonia at -95 degrees C (mp =-77degrees C, Bp =-33 degrees C) and normal atmospheric pressure.
At a certain temperature, the equilibrium constant, Kc, for this reaction is 53.3. H2(g)+I2(g) 2HI(g) Kc=53.3 At this temperature, 0.800 mol of H2 and 0.800 mol of I2 were placed in a 1.00-L container to react. What concentration of HI is present..
A buffer is made using 49.0 mL of 0.760 M HC3H5O2 (Ka = 1.3 10-5) and 54.0 mL of 0.600 M NaC3H5O2. What volume of 0.20 M NaOH must be added to change the pH of the original buffer solution by 3.5%
The sugar (sucrose, C12H22O11) is purchased from a sugar farmer who used to be a chemist and who packages it by the lbmol, and the process uses 1.75 lbmol/hr.
if grams of ammonia are reacted with 4.75 grams of oxygen gas, how many grams of nitrogen oxide will be produced.
Differentiation between cis and tran isomers when it comes to cyclohexane. drawing the chair confermation and understanding "up"
If the acid dissociation constant, Ksuba, for an acid HA is 8 x 10^-4 at 25 degree C, what percent of the acid is dissociated in a 0.50 M solution of HA at 25 degree C?
Calculate the pH at the equivalence point in the titration of 68 mL of 0.10 M methylamine (see Table 15.4) with a 0.20 M HCl solution.
a 14.0 g sample of cacl2 is dissolved in 121 g of water with both substances at 25.0degc. calculate the final
Determine the enthalpy change per mole for dissolution of ammonium nitrate in water if 1.25 of the salt is dissolved in 25 g of water and the temperature changes for 25.8 degree C to 21.9 degree C.
the synthesis of ammonia via the haber reaction follows the balanced equation3 h2g n2greg 2 nh3gdh -99.22 kjhow much
A sample of gas in a balloon has an initial temperature of 35 degree celsius and a volume of 1120 L. If the temperature changes to 74 degree celsius, and there is no change of pressure or amount of gas, what is the new volume,V2, of the gas
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