Liquid water at 83 c and at 1 atm flows through a heated pipe at a flow rate of 3.9 kg/s. it then leaves the pipe as steam. the water receives 12378600 j/s from the pipe. calculate the temperature of the steam leaving the pipe. the water boiling point at the pressure of the system is 100 c. thermal properties: co of liquid water: 4200 j/kg. k cp of steam: 1800 j/kg. k enthalpy of evaporation of water: 276 j/kg
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The following reaction shows sodium carbonate reacting with calcium hydroxide. na2co3 + ca(oh)2 → naoh + caco3 how many grams of naoh are produced from 20.0 grams of na2co3? (molar mass of na = 22.989 g/mol, c = 12.01 g/mol, o = 15.999 g/mol, ca = 40.078 g/mol, h = 1.008 g/mol) 12.2 grams 15.1 grams 24.4 grams 30.2 grams
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13. a covalent bond between two atoms is likely to be polar if: a. one of the atoms is much more electronegative than the other. b. the two atoms are equally electronegative. c. the two atoms are of the same element. d. the bond is part of a tetrahedrally shaped molecule. e. one atom is an anion.
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Liquid water at 83 c and at 1 atm flows through a heated pipe at a flow rate of 3.9 kg/s. it then le...
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