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Given the reaction CH4+2O2-->CO2+2H2O, what amount of oxygen is needed to completely react with 1 mol of CH4?
A certain reaction has an enthalpy of H = 49 kJ and an activation energy of Ea = 71 kJ. Explain what is the activation energy of the reverse reaction
A sample of methane gas (CH4) at 18.8 oC is heated. The pressure increases from 1.78 atm to 2.46 atm, and the volume of the sample changes from 4.09 L to 1.89 L.
A 10.0 ml sample of 0.075 M KOH is titrated with 0.125 M HCIO4 solution. Compute the pH after the subsequent amounts of acid are added. a) 2.50 ml b) 6.00mL c) 12.0Ml
A 7.75-L container holds a mixture of two gases at 37 °C. The partial pressures of gas A and gas B, respectively, are 0.209 atm and 0.735 atm. If 0.130 mol a third gas is added with no change in volume or temperature, what will the total pressure ..
Explain how much volume of 63 percent w/w aq. HNO3 solution (d=1.5g/ml) is diluted with sufficient water to prepare 1L of 3M HNO3 solution
Explain how would I find the percent yield and what would it be if I have 3.292 g of p-anisaldehyde to start out with, 2.905 g of acetophenone needed for the reaction between p-anisaldehyde and acetophenone, as well as 4.151 g of recovered trans-..
A chemist wants to make 5.5L of a 0.280M CaCl2 solution. What mass of CaCl2 (in g ) should the chemist use?
A chloride solution, prepared by dissolving 0.2789 g of an unknown sample in 250.00mL as well as taking a 10-mL aliquot of the resulting solution, requires 11.21mL of the same silver nitrate solution to reach the end point. Explain what percentage..
the reaction is spontaneous below a certain temperature. Calculate that temperature. values are for delta H and delta S respectively.
when 1.50 l of 1.00 m na2so4 solution at 30.0 degrees celcuis is added to 1.50 l of 1.00 m bano32 solution at 30.0
A solution is made by adding 50.0 mL of ethanol (C2H5OH, d = 0.789 g/mL) to 50.0 mL of water (d = 0.998g/mL). What is the total vapor pressure over the solution
How many grams of Cu(OH)2 will precipitate when excess KOH solution is added to 63.0 mL of 0.610 M CuSO4 solution.
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