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An Atomic Absorbance Spectrometer is sort of like a UV-vis spectrometer conceptually. Both utilize a similar monochromator as well as both use similar detectors as well as both measure optical absorbance. State a paragraph with drawings in which you explain the key differences in source and sample "holder" and why the specific devices used in AAS are necessary.
A 43 kg person drinks 450. g of milk, which has a "caloric" value of approximately 3.0 kJ/g. If only 17% of the energy in milk is converted to mechanical work, how high (in meters) can the person climb based on this energy intake.
How do you calculate the expected mass of a precipitation?
how much a 6m na2co3 stock solution do you need to make 100 ml of a 10 na2co3 working solution? describe how you would
Lactic acid, CH3CH(OH)COOH, has a Ka value of 1.4x10-4. How many grams of lactic acid must be added to make 151.0 mL of solution with a pH of 2.21
Which of the reactions below are redox reactions. a- 2Na+Cl2--->2NaCl b- Fe+NiSO4---->Ni+ FeSO4 c- AgNO3+NaCl---> AgCl2+NaNO3
A diatomic gas does 315 J of work and also absorbs 580 cal of heat. What is the change in internal energy of the gas?
A 118.6 mL sample of 0.110 M methylamine (CH3NH2, Kb = 3.7 * 10^-4) is titrated with 0.250 M HNO3. Calculate the pH after the addition of each of the following volumes of acid.
The vapor pressure of methanol at 30. oC is 158 torr. What mass (in grams) of methanol actually evaporates?
The freezing temperature of ethanol is -114.0 oC, the density is 0.789 g/cm3, and Kf is 1.99oC/m. Calculate the new freezing point when 0.100 L of methanol
How many faradays of electricity are required to produce 0.84L of O2 at exactly 1 atm and 25 degrees Celcius from aqueous H2SO4
What will be the likely effect of clearing forests and converting them to grasslands and crops on (a) the earth's reflectivity (albedo) and (b) the earth's average surface temperature?
find the volume of oxygen gas required to react completely with iron.1.calculate the volume of oxygen gas at stp that
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