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What is the mass of 75 mL of ethyl alcohol which has a density of 0.79 g/mL (express using correct number of significant figures).

 _____________  meaning reflects the emotional or attitudinal responses people have to a word. 

 _____________ is the process that allows us to turn the communication message we receive into thoughts. 

Select ALL substances that involve only covalent bonding.

Convert 7.86 x 10-2 km to nanometers.

What is the mass (in grams) of 1.25 moles of NH3?

If a rectangular piece of metal foil measures 27.7 mm x 42.5 mm x 0.05 mm, what is the volume of this sample of metal. Express to correct number of significant figures.

What percentage of U-238 radionuclides in a sample remain after 3 half-lives?  Assume 100 % initially at time zero.

There are 2.54 cm in 1 inch and 36 inches in 1 yard.  A footprint was measured to be 0.28 yards.  This measurement should be reported as  _____ centimeters. Express to correct number of significant figures.

There are 2.54 cm in 1 inch and 36 inches in 1 yard.  A footprint was measured to be 0.25 yards.  This measurement should be reported as  _____ centimeters. Express to correct number of significant figures.