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Snezhnost [94]
3 years ago
9

If the pKa of Lysine is 5, then at a pH of 7, it is most likely going to be a) Neutral. b) Negatively charged. c) Positively cha

rged. d) Partially negatively charged.
Chemistry
1 answer:
Sladkaya [172]3 years ago
7 0
C. Positively charged
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2 Points
Ganezh [65]

Answer: The answer is A. A conductor that allows electricity to flow easily

4 0
3 years ago
The melting point of aluminum is about 660 °C. How many degrees above the boiling point of water is this temperature?
Arte-miy333 [17]
560 degrees above water
8 0
3 years ago
When 1.0g of diethyl ether is converted to vapor at its boiling point, about how much heat is absorbed? (C4H10O, Hvap= 15.7kj/mo
Aloiza [94]

Answer:

Option D = 0.2 Kj

Explanation:

Given data:

Mass of diethyl ether = 1.0 g

Hvap = 15.7 Kj / mol

Heat absorbed = ?

Solution:

Q = mass ×  Hvap /  molar mass

Q = 1.0 g × 15.7 Kj / mol / 74.12 g/mol

Q = 15.7 Kj / 74.12

Q =  0.212 KJ

8 0
3 years ago
Which process uses acetyl coa as a reactant? apex?
MrRissso [65]
The Krebs cycle uses acetyl CoA as a reactant.
4 0
3 years ago
A _ _ has a definite composition that will not vary
emmasim [6.3K]

Answer: Mixtures do not have the same composition, properties, and appearance throughout.

Explanation: It does not vary from sample to sample.

7 0
3 years ago
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