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Chemistry
Myah Graham
Convert 32mL into liters
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Chemistry
Janiah Smith
What is the molar mass of (NH4) 2C03?
a) 144 g
b) 96 g
c) 138 g
d) 78 g
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Chemistry
Aryanna Hopkins
In the acid-catalyzed dehydration of 2-methyl-1-propanol, what carbocation would be formed if a hydride shift accompanied cleavage of the carbon-oxygen bond in the alkyloxonium ion?
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Chemistry
Joe
Which of Deeandra observation is scientifically testable
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Chemistry
Fatima Sheppard
What scientists do that is the basis for there investigation
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Chemistry
Joyce Saunders
A reaction is zero order in a reactant. Which best describes what happens to the rate if the concentration of that reactant is cut in half?
a: The rate changes to twice the original rate.
b: The rate changes to one-half the original rate.
c: There is no change in the rate.
d: There is a decrease in the rate when there is only a single reactant.
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Chemistry
Roberto Schultz
How many moles of hydrogen atoms are there in 1 mole of C6H12O6 molecules?
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Chemistry
Nadia Marsh
Which condition will release more energy when an electron changes levels? From n = 4 to n = 3 from n = 3 to n = 2 from n = 2 to n = 1
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Chemistry
Boris
What happens when an electron moves from a higher energy level to a lower one
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Chemistry
Jaydon Zimmerman
A solution of a compound with a known extinction coefficient of 23,100 M-1cm-1 has an absorbance of 0.735 in a 1.30cm path length, what is the concentration of the solution
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Chemistry
Alejandra Lopez
True or False ... Renewable resources have disadvantages. If so what are the disadvantages?
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Chemistry
Aron Mathews
Which of the following is a transuranium element?
Ra
Am
Tc
Pa
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Chemistry
Jessie Mays
How do find out how many needed grams to react
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Chemistry
Darnell Perry
What are the properties of all metals
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Chemistry
Martin Gentry
What happens when carbon dioxide at 74°C is placed in thermal contact with water at 14°C? Energy leaves the carbon dioxide and enters the water. The water gets hotter than the carbon dioxide. The temperatures of the two substances equalize. Both the water and the carbon dioxide decrease in temperature. The water stays colder than the carbon dioxide.
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