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Question- The reactant concentration in a first-order reaction was 0.100M after 50.0s and 9.80x10^-3M after 100s . What is the rate constant for this reaction?
Illustrate all work utilize additional paper if required.
Problem- Calculate the wavelength (in nanometers) of the light emitted by a hydrogen atom when its electron falls from the n=6 to the n=3 principal energy level.
Exactly 100 mL of 0.12 M nitrous acid (HNO2) are titrated with a 0.12 M NaOH solution. Calculate the pH for the following. (a) the initial solution
Explain why multiple extractions with smaller volumes of the extraction solvent are typically "better" than single extractions with a larger volume of the extraction solvent.
What mass of glucose can be produced from a photosynthesis reaction 6CO2(g) + 6H2O -> C6H12O6(aq) + 6O2(g) that occurs using 18.4 mol CO2? Answer in units of g.
Question- What is the power output for a subject cycling at a cadence of 70 rpm and a resistance setting of 3 kp
its freezing point depression constant is 8.37*C per molal. Use your corrected average temperature (5.0*C) to find the molality of the water in the alcohol. Find the percent water in the alcohol.
How many unpaired electrons will there be in a high-spin octahedral complex of Fe(II)
you have 100 ml graduated cylinder containing 50 ml of water. you drop a 154 g piece of brass d 8.56 gcm3 into the
what is the number of bond pairs and shapes of c2h4 c2h6 and
can be done by the system if the octane is completely converted to carbon dioxide and water vapor? What will the enthalpy change be for the process? Calculate the root-mean-square speed of the carbon dioxide molecules in the question above.
Determine how much fluorine was formed if A sample of NaF(sodium fluoride) produced 26.5 grams of sodium upon decomposition? express your answer (in grams)
Compute the concentration of acid of original unknown solution the original 10.00mL of unknown acid before it was diluted with 10.00mL of water
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