varul nestins se obtine industrial prin descompunerea termica a calcarului. Calc: a. masa de calcar de puritate 90% necesara pt a obtine 1120g de var nestins. b. masa de var stinsa care se formeaza din oxidul de calciu de la punctul a.

Why is soap used to remove grease? a. its nonpolar end dissolves the grease. b. it makes the water bond with the grease. c. it chemically bonds with the grease. d. its polar end dissolves the grease.correct answer for apex - a, its nonpolar end dissolves the grease.

Which of the four hypothetical substances you investigated would be most harmful to living organisms? 50 points!

what is your question? collegechemistry 5+3 pts in november 1987, a massive iceberg broke loose from the antartic ice mass and floated free in the ocean. the chunk of ice was estimated to be 98 mi long, 25 mi wide, and 750 ft thick. a typical backyard swimming pool contains about 24,000 gallons of water. how many of these pools could you fill from the water in this iceberg? (assume the iceberg is a rectangular solid of the above dimensions and consists of water only). express answer in scientific notation.