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A certain first order reaction is 47% complete in 45 seconds. What are the values of the rate constant and the half-life for process?
When 19 mL of a solution containing .29 M Ca(OH)2 is diluted to 30 mL, a dilute solution is formed. What is the OH- concentration in 15 mL of the dilute solution
An alkane with a molecular formula of C6H14 reacts with chlorine in the presence of light and heat. Two constitutionally isomeric monochlorides of molecular formula C6H13Cl are formed
Determine the mass of the steel bar If the final temperature of the system reached to 21.0 degree celsius?
Energy costs vary greatly with energy source: coal @ $25.00/ton, gasoline @ a pump price of $2.00/gal, and electricity @ $0.1000/kWhr. Conventional practice is to put these on a common basis by expressing
assume that a reaction takes place at 295 k and 305 k. what must the activation energy be for the rate constant to
Place the following gases in order of increasing average molecular speed at 25°C. Ne, HBr, SO2, NF3, CO
If a copper-containing compound is found to be 29.2% Cu by mass, and there is only one copper atom per formula unit, what is the formula mass of the compound in amu
What are the similarities and differences between a classical harmonic oscillator and a quantum harmonic oscillator?
complete the balanced reaction if it will occur.state does not occur if the reaction will not take place.make sure that
in a certain experiment 28.0 ml of 0.250 m hno3 and 53.0 ml of 0.320 m koh are mixed. calculate the amount of water
If 122 g of Hg2Cl2 is reacted with excess ammonia, what is the expected yield, in moles and grams, of elemental mercury. (show your calculation)
Based on the data for step 2 of the experiment, predict what would happen if you performed step 3 of the experiment (how many sets of three drops of each of the HCl and NaOH would be needed until the buffering capacity is lost for the two solution..
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