Chemistry, 18.11.2020 17:10 Officaljazz18
A water carbonating system is used at home and operates by providing CO2 at 5.0 atm.
Required:
a. Estimate the molar concentration of the CO2.H2O solution it produces.
b. After some weeks of use, the pressure in the water carbonating plant mentioned in the previous exercise has fallen to 2.0 atm. Estimate the molar concentration of CO2 in the carbonated water it produces at this stage.
Answers: 3
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Cobalt-60 is an artificial radioisotope that is produced in a nuclear reactor and is used as a gamma-ray source in the treatment of certain types of cancer. if the wavelength of the gamma radiation from a cobalt-60 source is 1.00 × 10-3 nm, calculate the energy of a photon of this radiation.
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State one important difference between a physical change and a chemical change?
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The velocity of any object depends upon a) the location of the object. b) the location of the observer. c) which measurement tools are used. d) the relative motion of the observer.
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A water carbonating system is used at home and operates by providing CO2 at 5.0 atm.
Required:
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