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Chemistry, 21.06.2019 17:40, hannah2718
Asingle atom of an element has 21 neutrons, 20 electrons, and 20 protons. which element is it? ok o z
Answers: 1
Chemistry, 22.06.2019 02:00, officialgraciela67
What is the volume occupied by 10.0 dm3 of gas at standard pressure after it has been compressedat constant temputure to 500.0 kpa?
Answers: 1
Chemistry, 22.06.2019 18:00, jeepjose58
What amount of heat is exchanged when 106.2 grams of substance y goes from a liquid at 35 degrees celsius to a solid at the same temperature? melting point of substance y = 35 degrees c; δhvaporization = 3.67 j/mol; δhfusion = 3.30 j/mol. mwsubstance y = 28.22 g/mol. −12.4 j −3.51 x 102 j 1.24 x 101 j 351 j
Answers: 1
English, 28.01.2022 05:00
Mathematics, 28.01.2022 05:00
Mathematics, 28.01.2022 05:00
Mathematics, 28.01.2022 05:00
English, 28.01.2022 05:00