Chemistry, 06.05.2020 04:23 reneebrown017
What is the change in enthalpy when 9.75 g of aluminum reacts with excess ammonium nitrate according to this equation: 2Al + 3NH4NO3 = 6H20 + Al2O3. H = 2030 kJ
Answers: 2
Chemistry, 21.06.2019 17:30
This is a mixture that has the same composition throughout.
Answers: 1
Chemistry, 22.06.2019 08:30
Joan writes four numbers on the board in standard form, and then she writes their scientific notation
Answers: 1
Chemistry, 22.06.2019 08:30
Sally is making a model of a magnesium atom with an atomic mass number of 24 for her chemistry class. she has foam balls for the protons, neutrons, and electrons. she has added 6 neutrons to her model so far. how many more neutrons does she need to add to complete her neutral atom of magnesium?
Answers: 1
Chemistry, 22.06.2019 14:50
The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 9 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of tthe table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 9 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.
Answers: 3
What is the change in enthalpy when 9.75 g of aluminum reacts with excess ammonium nitrate according...
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