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A 1.00-mol sample of an ideal monatomic gas is compressed isothermally and irreversibly in one step from 2.50 atm to 6.50 atm at 300.0 K. Calculate ?G for this process.
Calculate the specific heat of molybdenum metal in {rm J/(g cdot ^circ C)}. The specific heat of water is 4.184{rm J/(g cdot ^circ C)}.
When 28.6 kg of Fe2O3 react with 17.2 kg of CO and 6.3 kg of Fe are recovered, what is the percent yield for the reaction?
Consider the constitutional isomers 2-methylbut-1-ene, 2-methyl-2-ene and 3-methylbut-1-ene. when each of these alkenes is subjected to cataltic hydrogenation (H2, Pt), a single product results. which of the following best describes the structural..
the hypothetical metal Q with atomic mass of 68.33 has two isotopes ^67Q (isotopic mass 66.945 amu) and ^69Q (isotpes mass 68.958 amu) calculate the abundance of ^67Q in %
How many grams of dipotassium phthalate (242.3 g/mol) must be added to 700 mL of 0.175 M potassium hydrogen phthalate to give a buffer of pH 6.00?
The standard molar enthalpy of fusion of ice is 6.01 kJ/mol. The desities of ice and liquid water at 0 degree celcius are 0.9167 and 0.9998 g/cm3.
A solid brick of dry ice (CO2) weighs 0.75 kg. Once the brick has fully sublimated into CO2 gas, what would be the volume of solid brick at STP.
Assume that an incorrectly adjusted lawn mower is operated in a garage such that the combustion reaction in the engine is:
The reaction can be represented as {\rm 2 NI_3 (s)\rightarrow N_2 (g) + 3 I_2 (g)},~{{\Delta H}}_{\rm rxn} = -290.0~{\rm kJ} Find the change in enthaply when 16.0g of \rm NI_3 decomposes.
A 0.456 gram sample of an unknown monoprotic acid (lets call it HZ) was dissolved in some water . Then the acidic solution was titrated to the equivalence point with 32.5 mL of 0.174 M KOH.
Assume that the heat required for the vaporization of the alcohol comes only from the aluminum block and that the alcohol vaporizes at 25°C.
A 3.00 L helium balloon, initially at STP, floats up to an altitude of 10 km, where the pressure is 200.0 torr and the temperature is -45°C. What is the balloon's new volume?
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