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Frying an egg would be classified as a chemical reaction or physical change.

Select the correct scientific notation for this number, reporting the answer with the proper number of significant figures.   34.40

Ice melting would be classified as a chemical reaction or a physical change.

  Calculate the mass of 47.0 mL of mercury, which has a density of 11.3 g/mL.

  Calculate the volume of a liquid that has a density of 1.20 g/mL and a mass of 5.00 grams.

Calculate the following arithmetic operation, reporting the answer with the proper number of significant figures.   300.245  +  124.9

Conflict occurs when there is a gap between expectations and reality.

Match the category of conflict with the example in a clinical laboratory.  Some answers may be used twice.

Which type of common locking hardware unlocks after door latching hardware is depressed for a specific period of time, reducing the chance that a person can leave unnoticed?

What must protect any opening in exit stairways?