Two highly reactive elements in period 2 are the metal lithium an the
A)metaloid
B)nonmetal s...
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What is the ima of the 1 st class lever in the graphic given? 2 3 0.5
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How many moles of oxygen gas are produced from the decomposition of six moles of potassium
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The atom fluorine generally will become stable through the formation of an ionic chemical compound by accepting electron(s) from another atom. this process will fill its outer energy level of electrons.
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Chemistry, 22.06.2019 18:10
Given the following at 25c calculate delta hf for hcn (g) at 25c. 2nh3 (g) +3o2 (g) + 2ch4 (g) > 2hcn (g) + 6h2o (g) delta h rxn= -870.8 kj. delta hf=-80.3 kj/mol for nh3 (g), -74.6 kj/mol for ch4, and -241.8 kj/mol for h2o (g)
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