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Question: If the oxidizing agent gains 3 moles of electrons, and the reducing agent loses 2 moles of electrons, calculate the work done by a voltaic cell if the emf is 0.985 V.
At 1.00 atm and 0 °C, a 5.04 L mixture of methane (CH4) and propane (C3H8) was burned, producing 18.0 g of CO2. What was the mole fraction of each gas in the mixture? Assume complete combustion.
Explain why alcohols such as ethanol and propanol are soluble in water, butanol is moderately soluble and pentanol is slightly soluble
the maximum kinetic energy of the emitted photoelectrons and (b) the speed of photoelectrons having this maximum kinetic energy.
Calculate the standard enthalpy of formation of solid diboron trioxide (B2O3) using the following thermochemical information
How much heat is given off when 11.0 grams of manganese is converted to Mn2O3(s) at standard state conditions? Hf of Mn2O3(s) is -962.3 kJ/mol.
Calculate the oxygen content of the plasma in mM! 1 ml plasma dissolves 24 uL oxygen at 38 degrees C if the partial pressure is 103 kPa.
Phosphorus pentachloride decomposes to phosphorus trichloride at high temperatures according to the reaction:
Chlorine gas (Cl2) forms when two chlorine atoms share an electron. What type of bonding is present in chlorine gas?
Calculate the concentrations of the nonionized acid (HA) and of the ions of a 0.100 M formic acid (HCO2H) solution at equilibrium, and calculate % ionization.
A 1.70-g sample of a large biomolecule was dissolved in 14.0 g of carbon tetrachloride. The boiling point of this solution was determined to be 77.85°C.
How to calculate the ratio of the masses of the buffer components required to make the buffer? m(NH3) / m(NH4Cl) ph= 9.00
How many milliliters of O2 gas at 25 C and 1.00 atm pressure are obtained by the thermal decomposition of 0.470g of KMnO4? The balanced equation for the reaction is:
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