Life: The Science of Biology
11th Edition
ISBN: 9781319010164
Author: David E. Sadava, David M. Hillis, H. Craig Heller, Sally D. Hacker
Publisher: W. H. Freeman
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Chapter 2.3, Problem 1R
Summary Introduction
To analyze:
The chemical equation by adding correct
Introduction:
The universal rule of nature is that energy can neither be created nor destroyed as it gets transformed from one form to another. In accordance with this statement, a
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In the following reaction in aqueous solution, the acid reactant is
and its conjugate base product is
CH;COOH + NH3 CH;CO0 + NH,"
Balance the following (fictional) chemical equations by supplying the correct coefficient. Do not leave any space blank (in other words, write in 1 if you would be leaving it blank):
R(OZ)2 -
RY2+
Z20
a)
ZY+
b)
D2 (g) +
L2 (g) –
DL3 (e)
(i) MnO is basic whereas Mn207 is acidic in nature. Why?
(ii) Transition metals form alloys. Why?
(iii) Complete the following equation:
2MnO4 + 4KOH + O2 ———>
Chapter 2 Solutions
Life: The Science of Biology
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- Apply the formula for the differences in electronegativities, for the following molecules, and define whether they are polar covalent, nonpolar covalent or ionic. Taking into account that: Non-polar covalent: greater than or equal to 0 but less than 0.7 Polar covalent: greater than or equal to 0.7 but less than 1.7 ionic: greater than 1.7 A)NO B)KCI C)F2 C)AsOarrow_forwardIdentify the acid on the left and its conjugate base on the right in the following equations:(a) HOCl + H2O ↔ H3O+ + OCl-(b) HONH2 + H2O ↔ HONH3+ + OH-(c) NH4+ + H2O ↔ NH3 + H3O+(d) 2HCO3-2 ↔ H2CO3 + CO3-2 (e) PO4-3 + H2PO4- ↔ 2HPO4-2arrow_forwardDraw a structure for the compound, C3H5Br, that fits the following 1H NMR data: δ 2.32 (3H, singlet) δ 5.35 (1H, broad singlet) δ 5.54 (1H, broad singlet)arrow_forward
- Draw the structure of the chemical species represented by numbers for the following reactions.arrow_forwardThe following 'H NMR and IR spectra are obtained for an unknown compound with an empirical formula of C3H1403. Using the information given, determine the structure of the unknown compound. Show all details in your answer. a) 100 %T 88 20 35ee 3eee 25ee 2e0e 1see 1e00 cm1 2H зн 3H 2H 2H 2H 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 PPM 2878. 16 1716. 08 1234.60 1157.44 BE'T6 882.49arrow_forwardCalculate the coulomb energy for the following three nuclei using the semi-empirical mass formula. a) 19F b) 48Tİ c) 63Cuarrow_forward
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