Is it possible for a substance (e. g. sugar and water) to be both a mechanical mixture and solution? Why or why not?

Whats is a chemical change of a paper bag

Except for identical twins, all people have the same DNA. true or false?

In a coffee-cup calorimeter, 50.0ml of 0.100M AgNO3 and50.0ml of 0.100M HCl are mixed to yield the following reaction: Ag + (aq) + Cl - (ag) >AgCl (s) The two solutions were initially at 22.60oC, and the final temperature is 23.40oC.

Mass of empty 10 mL graduated cylinder (grams)

The speed needed to escape the pull of the earths gravity is 11.3km/s what is this speed in mi/h

What information does a phase diagram give

Which cell structures function like power plants for plant or animal cells? A. nuclei B. vacuoles C. ribosomes D. mitochondria

A sample of argon gas, Ar (g). is placed in a 3.80 L container at 320 K. The gas pressure is 0.496 atm. How many moles of Ar gas are in the container?

Review It! All of the following are correct, except: a; A galaxy contains a vast number of stars, their planetary systems, and a variety of other celestial objects. b; Stars orbit the many planets of a galaxy.

Which would be most likely be the pH of a highly-corrosive acid? a) 1 b) 5 c) 8 D) 11