Chemistry, 08.12.2020 01:00 zoejacobs2002
Which of the following is NOT a characteristic of bacteria?
A. It contains a protective cell wall.
B. It has a cell membrane.
C. It lacks a nucleus.
D . It is a multicelled organism.
Answers: 1
Chemistry, 21.06.2019 20:40
If equal masses of the listed metals were collected , which would have a greatest volume ? a. aluminum 2.70,b.zinc7.14,c.copper 8.92,d.lead 11.34
Answers: 2
Chemistry, 22.06.2019 20:00
Phosphoric acid is a triprotic acid ( =6.9×10−3 , =6.2×10−8 , and =4.8×10−13 ). to find the ph of a buffer composed of h2po−4(aq) and hpo2−4(aq) , which p value should be used in the henderson–hasselbalch equation? p k a1 = 2.16 p k a2 = 7.21 p k a3 = 12.32 calculate the ph of a buffer solution obtained by dissolving 18.0 18.0 g of kh2po4(s) kh 2 po 4 ( s ) and 33.0 33.0 g of na2hpo4(s) na 2 hpo 4 ( s ) in water and then diluting to 1.00 l.
Answers: 3
Chemistry, 23.06.2019 03:00
Select the correct answer. wax is a nonpolar substance. in which type of substance is it the most soluble?
Answers: 1
Chemistry, 23.06.2019 14:00
Total number of electrons that can occupy the d sub level
Answers: 1
Which of the following is NOT a characteristic of bacteria?
A. It contains a protective cell wall.<...
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