Electronegativity < 1.0
H
1.0 s electronegativity < 2.0
an- alantuananatiliton<...
Chemistry, 19.04.2020 03:45, krislinsanchez5221
Electronegativity < 1.0
H
1.0 s electronegativity < 2.0
an- alantuananatiliton
Select the correct answer from each drop-down menu.
Describe the characteristics of a molecule of ammonia (NH3). The Lewis structure and table of electronegativities are given.
H-N-H
H
The bond polarities are?
, the molecular shape is?
, and the molecule is?
Answers: 1
Chemistry, 21.06.2019 14:10, aricketts3901
How does chemistry affect our world? a. chemicals makes our world more polluted. b. chemicals keeps us healthy. c. chemicals can or hurt our world. d. chemicals make our world safe to live in.
Answers: 1
Chemistry, 22.06.2019 11:40, Wemaybewrong
Modern pennies are composed of zinc coated with copper. a student determines the mass of a penny to be 2.482 g and then makes several scratches in the copper coaling (to expose the underlying zinc). the student puts the scratched penny in hydrochloric acid, where the following reaction occurs between the zinc and the hcl (the copper remains undissolved): zn(s) + 2 hcl(aq) → h2(g) + zncl(aq)the student collects the hydrogen produced over water at 25 °c. the collected gas occupies a volume of 0.899 l at a total pressure of 79 j mmhg. calculate the percent zinc (by mass) in the penny. (assume that all the zn in the penny dissolves.)
Answers: 1