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How would you compare and contrast the similarities and differences between ionic and covalent bonding?
The activation energy of a reaction is 56.8kJ/mol and the frequency factor is 1.5*10^11/s. Calculate the rate constant of the reaction at 26degrees C
liquid hexane will react with gaseous oxygen to produce gaseous carbon dioxide and gaseous water . suppose 7.8 g of
If 23.0mL of 5.2M sulfuric acid was spilled what is the minimum mass of sodium hydrogen carbonate that must be additional to the spill to neutralize the acid
a weak acid hf is in solution with dissolved sodium fluoride naf. if hcl is added which ion will react with the extra
A 1.994g sample of ethanol, CH3CH2OH is combusted in a bomb calorimeter. The temperature of the calorimeter increases by 10.91. If the heat capacity of the bomb is 615.5j/k and it contains 1.150kg of water, what is the enthalpy chnge per mol of et..
Chalcopyrite, the principal ore of copper (Cu), contains 34.63% Cu by mass. How many grams of Cu can be obtained from6.83 ×104 kg of the ore? Enter your answer in scientific notation.
If the freezing point of a 0.105 m CH 3 C OOH is -0.204°C, calculate the percent of the acid that has undergone ionization?
Given the parent compound, draw the mass spectrum fragment that is observed at m/z 91. Include any hydrogen atoms and the charge.
Explore the relationship between structure and properties. Applications are optional.
Draw the structure of the peptide WRCFQ. Show the ionization state that would be the major form at pH 7. (Note: this question addresses your knowledge of the one or three letter codes for amino acids,
what is the total number of grams of patassium chloride needed to saturate exactlye 300 grams of water at 10 degrees celcius?
If the partial pressure of the cyclopropane in the mixture is 330 mm Hg and the partial pressure of the oxygen is 1.0 atm, what is the total pressure of the mixture in torr
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