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Organic Chemistry 2
Propose the structure of a compound that exhibits the following 1 H NMR data: (a) C5H10O 1.09 d (6H, doublet) 2.12 d (3H, singlet) 2.58 d (1H, septet) (b) C5H12O 0.91 d (3H, triplet) 1.19 d (6H, singlet) 1.50 d (2H, quartet) 2.24 d (1H, singlet) (c) C4H10O 0.90 d (6H, doublet) 1.76 d (1H, multiplet)

Chemistry: The Central Science 13
Tausonite, a mineral composed of \(\mathrm{Sr}, \mathrm{O}\), and \(\mathrm{Ti}\), has the cubic unit cell shown in the drawing. (a) What is the empirical formula of this mineral? (b) It is easy to see that \(\mathrm{Ti}\) is coordinated by six oxygen atoms because the \(\mathrm{Ti}\) atom is l

Anatomy & Physiology 1
Striations, cylindrical cells, and multiple nuclei are observed in ________. a. skeletal muscle only b. cardiac muscle only c. smooth muscle only d. skeletal and cardiac muscles

Anatomy & Physiology 1
The tibia ________. a. has an expanded distal end called the lateral malleolus b. is not a weight-bearing bone c. is firmly anchored to the fibula by an interosseous membrane d. can be palpated (felt) under the skin only at its proximal and distal ends

Campbell Biology 10
Compared with 31P, the radioactive isotope 32P has a. a different atomic number. b. one more proton. c. one more electron. d. one more neutron.

Campbell Biology: Concepts & Connections 7
Of the following functional groups, which is/are polar, tending to make organic compounds hydrophilic? a. carbonyl b. amino c. hydroxyl d. carboxyl e. all of the above 1

Chemistry 13
Calculate the molar concentration of oxygen in water at \(25^{\circ}\text{C}\) for a partial pressure of 0.22 atm. The Henrys law constant for oxygen is \(1.3 10^{?3} mol/L \cdot atm\).

Plant Systematics 3
How does Multiplexed Shotgun Genotyping differ from RADSeq, and what are its advantages?