Chemistry, 05.05.2020 14:31 Jabari1946
How many mL of 0.50 M NaOH solution are required to completely titrate 15.0 mL of 0.20 M HNO3 solution?
Answers: 2
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Compare the valence electron configuration of the nobles gas elements seen here. what statement is correct?
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Chemistry, 22.06.2019 05:00
1)each group 16 element has how many valence electrons? ( )4 ( )6 ( )8 ( )16 2)how many dots appear in the dot structure for calcium ion, ca2+? ( )zero ( )one ( )two ( )eight 3) which of the following atoms forms a cation to obtain an octet of outer shell electrons? ( )magnesium ( )oxygen ( )fluorine ( )helium 4) an al3+ ion contains 13 protons and 10 electrons. ( )true ( )false 5) valence and non-valence electrons are represented in lewis dot structures. ( )true ( )false
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Chemistry, 22.06.2019 19:00
How does a catalyst increase the speed of a reaction? a. the catalyst eliminates the activated complex stage, allowing products to form immediately. b. the catalyst lowers the energy level of the reactants, making it easier for them to react. c. the catalyst makes it easier for the activated complex to form, lowering the activation energy. d. the catalyst raises the energy level of the products, making the reaction finish sooner. reset next
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Chemistry, 23.06.2019 03:30
Name atleast 3 type of energy associated with the microwave
Answers: 1
How many mL of 0.50 M NaOH solution are required to completely titrate 15.0 mL of 0.20 M HNO3 soluti...
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