{mU} g of an unknown substance is heated to {TU} degrees C before being added to {mW} g of water in a coffee-cup calorimeter at {TW} degrees C.  After mixing, the water temperature increases to {Tf} degrees C.  What is the temperature change of the unknown, in degrees C?  The specific heat of liquid water is 4.184 J/gxC Provide your answer to 2 decimal places.

How much energy (in J) is needed to bring a {m} g block of granite (c=0.790 J/gxC) from {Ti} C to {Tf} C?  Answer to the nearest whole number.

If the surface beneath the barrier is inadvertently touched when removing a contaminated barrier, the protocol to follow indicates

Latex gloves worn during patient care do not provide protection when handling chemicals because

Chemicals that destroy most species of pathogenic organisms on inanimate surfaces are called

___________transmission means touching or contact with the patient’s blood or saliva.

All waste containers that hold potentially infectious material must

Use the diagram below to match the correct term to the correct number. 

In Pennsylvania, the seventeenth-century civil government

How did William Penn’s Indian policy reflect his Quaker ideals?