In the field of chemistry, one type of chemical is seen by many as something that
nobody ever wants to be in a room with: hydrofluoric acid, HF. Only a handful of
chemists in the world utilize HF to perform specific experiments in regards to fluorine
centered chemistry. This fear stems from the scenario of hydrofluoric acid coming in
contact with calcium found in bones. The process in which this occurs is shown in the
balanced chemical equation below:
Ca3(PO4)2 (s) + 6 HF(aq) → 3 CaF2(aq)→ 3 CaF2 (aq) + 2 H3PO4 (aq)
Using your knowledge of periodic trends and ionic activity, create a CER
(Claim - Evidence - Reasoning) why fluorine would rather bind to calcium than
hydrogen as posed in the balance chemical equation above. You must include at
least two pieces of evidence from the periodic table, your scientific notebook, or other
Answers: 3
Chemistry, 22.06.2019 00:40
Base your answer on the information below and on your knowledge of chemistry. nitrogen dioxide, no2, is a dark brown gas that is used to make nitric acid and to bleach flour. nitrogen dioxide has a boiling point of 294 k at 101.3 kpa. in a rigid cylinder with a movable piston, nitrogen dioxide can be in equilibrium with colorless dinitrogen tetroxide, n2o4. this equilibrium is represented by the equation below. 2no2(g) n2o4(g) + 58kj at standard pressure, compare the strength of intermolecular forces in no2(g) to the strength of intermolecular forces in n2(g).
Answers: 2
Chemistry, 22.06.2019 09:30
In apex! a liquid heated beyond a certain temperature becomes
Answers: 1
In the field of chemistry, one type of chemical is seen by many as something that
nobody ever wants...
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