)nitrogen from a gaseous phase is to be diffused into pure iron at 675°c. if the surface concentration is maintained at 0.2 wt% n, what will be the concentration 2 mm from the surface after 25 h? the diffusion coefficient for nitrogen in iron at 675°c is 2.8 × 10–11 m2/
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Chemistry, 22.06.2019 00:20
Use the gizmo to find the concentration of the mystery ch3cooh. use the titrant and indicator shown below perform the titration. what is the titrant volume? titrant analyte indicator titrant volume analyte concentration naoh ch3cooh phenophthalein select one: a. 20.0 ml b. 27.0 ml c. 30.0 ml d. 24.0 ml
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Chemistry, 23.06.2019 06:00
What does it mean for something to be dissolved in watera- it is submerged in water moleculesb-it is stirred in the water moleculesc- it is surrounded by water molecules d-it has water molecules added to it
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Chemistry, 23.06.2019 08:00
Can anyone answer these questions? ? i need it before 1: 00pm today
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)nitrogen from a gaseous phase is to be diffused into pure iron at 675°c. if the surface concentrati...
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