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Chemistry
Barkley
How do hydroxide relaxers straighten the hair?
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Chemistry
Francesca Cameron
Light an energy is captured by the green pigment?
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Chemistry
Madonna
Describe how the r group in each of the 20 differebt amino acids determines each amino acid's characteristics
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Chemistry
Holly Flores
Determine the molarity of a solution formed by dissolving 97.7 g LiBr in enough water to yield 750.0 ml of solution.
A) 1.50 M
B) 1.18 M
C) 0.130 M
D) 0.768 M
E) 2.30 M
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Chemistry
Kaelyn
Exactly 5000 mL of air at 223K is warmed and has a new volume of 8.36 liters. What is the new temperature?
100 K
373 K
273 K
123 K
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Chemistry
Zachery Abbott
A 25.0 ml sample of a 0.2900 m solution of aqueous trimethylamine is titrated with a 0.3625 m solution of hcl. calculate the ph of the solution after 10.0, 20.0, and 30.0 ml of acid have been added; pkb of (ch3) 3n = 4.19 at 25°c.
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Chemistry
Jovani Garcia
What occurs when two fluorine atoms react to produce a fluorine molecule
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Chemistry
Jennifer Davila
What is the nature of the Ca-Cl bond in a molecule of calcium chloride (CaCl2) if the electronegativity value of calcium is 1.0 and that of chlorine is 3.16?
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Chemistry
Evie Montes
Who conducted experiments to determine the quantity of charge
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Chemistry
Kassandra Huber
Explain why the quantum number set (2, 1, - 2, - ½) is not possible for an electron in an atom.
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Chemistry
Alma Keith
Which of these time measurements is the smallest?
0.02 seconds
0.02 teraseconds
2,500 milliseconds
25,000 nanoseconds
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Chemistry
Louis Koch
In a hydrochloric acid solution, where the [HCl] is 0.010 M, what is the pH?
pH = 2.0
pH = 12.0
pH = 3.0
pH = 11.0
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Chemistry
Guest
If a human cell were to increase the amount of cholesterol embedded within its plasma membrane, which of the following would most likely happen
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Chemistry
Stevens
Which kind of air mass comes from Canada?
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Chemistry
Shayna Oliver
The odds that a dice will land on the number 5 is 1/6 true or false
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