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Balance the following equations for both mass and charge. a. C3H8O (l) + O2 (g) ? CO2 (g) + H2O (l) b. K2S (aq) + Ni(NO3)2 (aq) ? KNO3 (aq) + NiS (s) c. As2O3 (s) + NO3-(aq) ? H3AsO4 (aq) + NO(g) (acid conditions) d. PCl3 (g) + NH3 (g) ? P(NH2)3 (g) + HCl (g) e. C3H6 (g) + NH3 (g) + O2 (g) ? C3H3N (g) + H2O (g)
Solid ammonium chloride (NH4Cl) decomposes at 500K, forming gaseous ammonia (NH3) and hydrogen chloride (HCl). Given that KP = 6.0 × 10-9, what is the total pressure of the system at equilibrium (in atmospheres)?
An ice cube at 0 degrees C with a mass of 115 g is added to H2O in a beaker that has a temperature of 64.0 degrees C. if the final temperature of the mixture is 24.0 degrees C, what was the initial mass of the warm water
Set up the Gibbs energy equation (G) and calculate the Gibbs energy equation at 300 K and at 1300 K? At what temperature is the reaction spontaneous? hint: be very careful with the units of enthalpy and units of entropy.
How much heat does it take to change solid ice at 0 degrees Celcius to steam at 100 degrees Celcius?
exactly 16.9mL of EDTA are required to reach the EBT endpoint. calculate the total hardness in ppm CaCO3.
A sample of 5.0mol CO2(g) is originally confined in 15dm^3 at 280 K and undergoes adiabatic expansion against a constant pressure of 78.5 kPa until the volume has increased by a factor of 3.0.Calculate q,w,delta T,delta U,and delta H
Molar mass from volumetric data, 2.64g of an organic base, isolated from a shrub in the mountains of Peru was dissolved in 100mL of water. 25.0mL of this solution required 27.5mL of 0.250mL HCL for complete neutralization
A dancehall contains 173 men and 238 women. A certain "promenade" calls for the formation of groups, with each group consisting of one man with two women.
If a reaction mixture initially contains 443 of and 391 of , what is the mole fraction of when equilibrium is reached.
Analysis of water in a sediment sample at equilibrium at pH 7.00 showed [SO42-] = 2.00 x 10^-5 M and a partial pressure of H2S of 0.100 atm. Show with appropriate calculations if methane, CH4, would be expected in the sediment.
How many types of nonequivalent protons does the following compound contain
Compute the heat capacity of the calorimeter in J/K assuming that no heat leaks or out of the calorimeter.
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