Chemistry, 25.03.2021 23:00 live4dramaoy0yf9
Water cycle is a bio geo-chemical cycle that is a closed system. Which of these sentences describe survival stage that occurs in the water cycle? A. water enters an exits system boundaries of the cycle.
B. Water can change from solid to liquid at certain points in the cycle.
C. Ice forms anew adding matter to the cycle.
D. Water vapor condenses subtracting energy from the cycle.
Answers: 2
Chemistry, 22.06.2019 00:00
Explain which group an element with the electron configuration 1s2 2s2 2p6 3s2 3p6 3d1 4s2 belongs to.
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Chemistry, 22.06.2019 16:30
Ammonium perchlorate nh4clo4 is the solid rocket fuel used by the u.s. space shuttle. it reacts with itself to produce nitrogen gas n2 , chlorine gas cl2 , oxygen gas o2 , water h2o , and a great deal of energy. what mass of nitrogen gas is produced by the reaction of 2.1g of ammonium perchlorate?
Answers: 2
Chemistry, 22.06.2019 22:00
Scientists often have to deal with numbers that are either very large or very small. for example, the radius of the sun is approximately 696,000 kilometers, while bacterial cells are as small as 1.9 × 10-4 millimeters. express each number in an alternate form.
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Chemistry, 23.06.2019 00:20
Which diagram represents the phase tha occurs after a solid melts?
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Water cycle is a bio geo-chemical cycle that is a closed system. Which of these sentences describe s...
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