Which of the following is a neutralization reaction?
a
Ca(OH)2 + 2 HCl → CaCl2 + 2 H2O
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Chemistry, 05.04.2021 19:10 heggestade
Which of the following is a neutralization reaction?
a
Ca(OH)2 + 2 HCl → CaCl2 + 2 H2O
b
CaCl2 + 2 Na3PO4 → Ca3(PO4)2 + 6 NaCl
c
4 FeS + 7 O2 → 2 Fe2O3 + 4 SO2
d
SnO2 + 2 H2 → Sn + 2 H2O
Answers: 2
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 12:00
What are the first two quantum numbers for the electrons located in subshell 4d? what are the first three quantum numbers for the electrons located in subshell 2s? how many electrons can be held in a sublevel l = 3? how many electrons can be held in the energy level n = 4? how many electrons in an atom can share the quantum numbers n = 4 and l = 3?
Answers: 1
Chemistry, 22.06.2019 20:20
Nitric acid can be formed in two steps from the atmospheric gases nitrogen and oxygen, plus hydrogen prepared by reforming natural gas. in the first step, nitrogen and hydrogen react to form ammonia: (g) (g) (g) in the second step, ammonia and oxygen react to form nitric acid and water: (g) (g) (g) (g) calculate the net change in enthalpy for the formation of one mole of nitric acid from nitrogen, hydrogen and oxygen from these reactions. round your answer to the nearest .
Answers: 3
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