Using a hydrocarbon gas to carburize the surface of a steel, we obtain a surface carbon content of 1.0 wt%. The initial carbon content of the steel is 0.2 wt%. How long (in HOURS) would take at 1000˚C to obtain a carbon concentration of 0.6 wt% at a distance 1.5mm from the surface? Given: Do = 20 x 10-6 m2/S; Q = 110 kJ/mol

For Questions 4-7, please refer to the 4 generic A-B phase diagrams above.   Which phase diagram shows a system that follows the Hume-Rothery rules completely?

Please refer to the TTT diagram, with cooling curves A-D, above to answer questions 8 and 9 Which cooling curve will result in the fastest transformation to equilibrium phases?

Which of the following is not a prison reform measure?

This law increases officer accountability by requiring a police officer’s body camera to remain on throughout the course of an investigation.

This law increases officer accountability by requiring a police officer’s body camera to remain on throughout the course of an investigation.

The life cycle below is a _________, and the unicellular structures shown in #1 are ___________.

Dry and cool conditions in the terrestrial environment should most favor

The genus of the bacteria Streptococcus pneumoniae refers in part to its shape. You can expect that under a light microscope these bacteria should look

A main direct goal of the FAN D&I study was increasing the physical activity of individual congregants.