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Q1- The smallest mass one of our analytical balances in the quant lab can weigh is 0.0001 g. How many photons of 560 nm light would it take to have a mass of 1.000 x 10-4 g.
h = 6.626 x 10-34 J·sec.
c = 3.00 x 108 m/sec. Q2- What is the wavelength of neutrons traveling at 9.23 x 106 m/sec?
h = 6.626 x 10-34 Jsec.
c = 3.00 x 108 m/sec.
mneutron = 1.67 x 10-27 Kg
Compute the heat capacity of the calorimeter in J/K assuming that no heat leaks or out of the calorimeter.
what mass of potassium bromide residue remains if 500.0 ml of 0.200 m potassium bromide solution are evaporated to
consider a .7 L of a buffer composed of 0.4 M HClO and 0.5 NaClO? How many moles of strong base could this buffer withstand?
You have a solution that is 18.5% (v/v) methyl alcohol. If the bottle contains 2.22L of solution, what is the volume (V) in milliliters of methyl alcohol
a gas stream is entering an absorber is 20mol% CO2 and 80 mol% air. the flow rate is 1 m^3/min at 1 bar and 360 K. when the gas stream exits the absorber , 98% of the incoming CO2 has been absorbed into a flowing liquid amine stream
A chloride solution, prepared by dissolving 0.2789 g of an unknown sample in 250.00mL as well as taking a 10-mL aliquot of the resulting solution, requires 11.21mL of the same silver nitrate solution to reach the end point. Explain what percentage..
Question- How long will it take to produce 78.0 g of Al metal by the reduction of Al3+ ions in an electrolytic cell with a current of 2.00 amperes? ( Al: 26.98 g/mol)
What product forms when trans-1-bromo-2-methylcyclohexane undergoes an E1 reaction
You have 500.0mL of a buffer solution containing 0.20 M acetic acid (CH3COOH) and 0.30 M sodium acetate(CH3COONa). Explain what will the pH of this solution be after the addition of 20.0mL of 1.00 M NaOH solution
The elemental selenium dispersed in a dandruff control shampoo was determined by suspending a 10.0 mL sample in a warm ammonical solution that contained an excess of silver nitrate to give the following
suppose the pressure inside a pressure cooker reaches 1.3 atm. By using the vapor-pressure table, estimate the temperature at which water will boil in this cooker
Given the hypothetical redox reactions involving substances A, B, and C: A + B+ g? A+ + B C + A+ g? C+ + A B + C+ g? no reaction What is the arrangement of the substances in their order from strongest reducing agent to weakest reducing agent
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