Chemistry, 20.09.2020 03:01 samstuart10p3g96w
A student has a rectangular block. it is 2 cm wide,3 cm tall, and 25 cm long. it has a mass of 600 g. first, calculate the volume of the block. then, use that answer to determine the density of the block
Answers: 3
Chemistry, 22.06.2019 12:30
Nebulae are enormous clouds in outer space. they are made mostly of hydrogen gas, helium gas, and dust. some nebulae glow brightly, while others do not. the stars that people see are huge, bright balls of glowing gas. they are made mostly of hydrogen and helium. which statement correctly describes other ways in which nebulae and stars are different? a. stars can form inside a nebula but a nebula can never be produced by any star. b. a star always has a higher density than a nebula. c. stars can never form inside a nebula but a nebula can be produced by any star. d. a nebula always has a higher density than a star.
Answers: 3
Chemistry, 23.06.2019 00:50
Which of the following warnings would an agricultural chemist tell a farmer who wants to recycle his or her own ammonia? recycling ammonia is a difficult process that sometimes takes weeks. recycling ammonia requires a degree in biochemistry or a related field. recycling ammonia can be harmful because it is highly flammable and toxic. recycling ammonia costs too much money considering the price of the necessary chemicals.
Answers: 1
Chemistry, 23.06.2019 05:50
What is the molecular formula of ferrous nitrate and ferric nitrate
Answers: 2
A student has a rectangular block. it is 2 cm wide,3 cm tall, and 25 cm long. it has a mass of 600 g...
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