Chemistry, 12.05.2021 17:20 allenpaietonp9v8sv
Mg + 2HCl -> MgCl2 + H2 How many moles of magnesium chloride can be created from 9.63 x 10^23 atoms of magnesium?
Answers: 1
Chemistry, 21.06.2019 17:00
Noble gases are the most reactive elements on the periodic table. a. true b. false
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Chemistry, 21.06.2019 20:30
1. calculate the approximate enthalpy of the reaction in joules. estimate that 1.0 ml of vinegar has the same thermal mass as 1.0 ml of water. iqnore the thermal mass of th sodium bicarbonate. note: it takes about 4.2 joules () to change 1.0 gram (1.0ml) of water 1.0 c
Answers: 2
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
Mg + 2HCl -> MgCl2 + H2
How many moles of magnesium chloride can be created from 9.63 x 10^23 at...
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