A gas is compressed inside a cylinder (see the figure below). An average force of 60 N acts to move the piston 0.7 m. During the compression, 2.5 J of heat are conducted away from the gas. (a). How much work is done on the gas?                                                                                             (1.5 points) (b). What is the change in internal energy (in J) of the gas?                                                              (1.5 points)                                                    

What is your operator chair position for # 25 ML (answer question according to your dominant hand)?  

The portion of the instrument shank that is nearest the working-end  is called the _____.

What technique can be used in the anterior of the mouth to help differentiate between enamel that is translucent and decay?

The shaded part of the working-end in the illustration shown below is called the:  

An instrument used on the distal surface of a posterior tooth would have a/an:

The part of the working-end indicated by the arrow in the illustration shown below is called the:

Answer the question according to your dominant hand. What would be the operator’s chair position and the instrument selected to treat tooth #19 MF supragingval? Right Handed Operator 10-11:00 O’Clock, SG 11/12, SG 204S 9 O’Clock, 204S, SG 11/12, SG 7/8   10-11:00 O’Clock, SG 11/12, 204S, Universal 9 O’Clock, SG 11/12, 204S, Universal 10-11:00 O’Clock, 204S, Universal Left Handed Operator . 3:00 O’Clock, SG 11/12, SG 204S 1-2:00 O’Clock, 204S, SG 11/12, SG 7/8 3:00 O’Clock, SG 11/12, 204S, Universal      1-2:00 O’Clock, SG 11/12, 204S, Universal 3:00 O’Clock, 204S, Universal 3 O’Clock, SG 1/2, H6/7, Universal

The Mirror fulcrum is position on hard or soft tissue for tooth #12-DF around tooth number: (10/11 for a right-handed operator or 3:00 for a left-handed operator). The operator could select either the 13/14 curet or the 204S to remove the calculus on #12-DF supra.

The more posterior the tooth, the more angulated a shank must be. The mesial surface of a molar is less accessible than the distal surface.