Chemistry, 28.11.2019 20:31 janeriaw188
When 0.0400 mol of hcl(aq) is reacted with 0.0400 mol of naoh(aq) in 50.0 ml of water, the temperature of the solution increases by 9.82°c. what is the enthalpy of reaction for the following thermochemical equation? hcl(aq) + naoh(aq) → nacl(aq) + h2o(l)assume that the heat capacity of the solution and calorimeter is 227.4 j/°c.
Answers: 3
Chemistry, 21.06.2019 18:10, write2lakenor7awj
Which statements describe polyatomic ions? check all that apply. polyatomic ions have many charges. polyatomic ions have one overall charge. polyatomic ions repel other ions to form ionic bonds. polyatomic ions attract other ions to form ionic bonds. polyatomic ions are made up of only one type of atom. polyatomic ions are made up of two or more types of atoms.
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Chemistry, 22.06.2019 20:40, ohgeezy
Select the correct value for the indicated bond angle in each of the compounds. o−o−oo−o−o angle of o3 90° 109.5° < 109.5° 120° < 120° 180° f−b−ff−b−f angle of bf3 180° < 109.5° < 120° 120° 109.5° 90° f−o−ff−o−f angle of of2 < 120° 120° 90° 109.5° 180° < 109.5° cl−be−clcl−be−cl angle of becl2 90° 109.5° 180° 120° < 109.5° < 120° f−p−ff−p−f angle of pf3 90° 109.5° < 109.5° 180° 120° < 120° h−c−hh−c−h angle of ch4 90° < 109.5° 180° 120° < 120° 109.5°
Answers: 1
Chemistry, 22.06.2019 23:00, emilyphillips1681
If two identical atoms are bonded, what kind of molecule is formed
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When 0.0400 mol of hcl(aq) is reacted with 0.0400 mol of naoh(aq) in 50.0 ml of water, the temperatu...
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