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When mercury (II) oxide is heated, it decomposes to form liquid mercury and oxygen gas according to the following balanced chemical equation:2HgO(s) ? 2Hg(l) + O2(g)
Suppose in a certain experiment, a quantity of mercury (II) oxide decomposes completely and produces 72.3 mL of oxygen gas, measured at 692.8 torr and 43.4oC. What mass of HgO must have been present initially? (R = 0.08206 L atm K-1 mol-1)
The vapor pressure of the liquid C4H10 is 562.7mmHg at a temperature of 264.6K. The enthalpy of vaporization for this liquid is 22.4kJ/mol. What is the vapor pressure of C4H10 at a temperature of 286.6K in mmHg
What is the mass fraction of phosphorus in this formula. I've been trying to solve this for 15 minutes, and I feel like I'm missing something obvious.
The kinetic energy of the ejected electron is given by 1/2 mv2= h v -?. where m and v are the mass and velocity of the electron
Find the temperature of 3 grams of chlorine gas in a 1.5 L container with 801 mmHg of pressure.
Find the equilibrium pH of a 10^-3 M NaCN solution by using graphical methods, try to find the equilibrium pH with the charge balance and separately with the proton condition.
To find the value of the equilibrium constant at each temperature you must first find the value of G0 at each temperature by using the equation G0 = H0 - TS0 For this reaction the values are H0 = +88.3 kJ/mol and S0= 151.3 J/mol*K
Why can the nature of the metal salt precursor be changed during the epoxide addition method so easily without altering
Calculate the partial pressure of ammonia at equilibrium when a quantity of ammonium idodide in heated to 400 degree C.
according to the ideal gas law a 10.0 mol sample of methane gas in a 0.815 l container at 503 k should exert a pressure
Calculate w (in kJ) when 597 g iron (III) oxide (MM = 159.7 g/mol) reacts with excess carbon to produce carbon dioxide gas at 459 K:
What is the total pressure exerted by a mixture of 1.50 g H2 and 5.00 g N2 in a 5.00 L vessel at 25 ºC
What mass of ammonium chloride, NH4Cl, must be added to exactly 4.30 102 mL of 0.10 M NH3 solution to give a solution with a pH of 9.50
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