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Chemistry
Shelly
Which would make the best model for the beak of a bird that eats seeds from the ground?
A. dropper
B. strainer
C. toothpick
D. tweezers
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Chemistry
Gilberto Ho
Is water wet? me and my friend are having a debate
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Chemistry
Semaj Khan
Which Best Desribes The Relationship Between Earth Layers?
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Chemistry
Ayanna Johnson
Rank the bonds from highest polarity to lowest polarity. (Highest on top)
Si--H
N--H
O--H
Br--H
C--H
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Chemistry
Arielle Schroeder
Sulfur dioxide gas reacts with oxygen gas for form sulfur trioxide gas. the equilibrium constant for the reaction at 6000c is 4.34. an equilibrium mixture is found to have [so3] = 0.391 m and [o2] = 0.125 m at 6000c. what is the concentration of sulfur dioxide?
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Chemistry
Yurem Velazquez
What is a delocalized pi bond?
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Chemistry
Mario Harper
1. Force is the ability to change motion. *
True
False
Other:
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Chemistry
Madeline Cardenas
A sample of neon gas at 102 °C and a volume of 4 liters is cooled to - 98 °C. What is the new volume
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Chemistry
Karter Guzman
what is an example of a hypothesis leading to a new experiment
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Chemistry
Guest
What is a pure substance that cannot be chemically broken down into simpler substances?
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Chemistry
Charlee Middleton
What is the basic form of matter which cannot be broken down any further?
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Chemistry
Duke
Hydrochloric acid (HCl) is combined with cesium hydroxide (CsOH) in a neutralization reaction. Which ions will combine to form a salt? Check all that apply.
H+
H3O+
Cl-
Cs+
OH-
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Chemistry
Kelly Velasquez
What is the name of Copper (I) and Chlorine?
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Chemistry
Leonardo Quinn
1. Consider the following reaction occurring in a closed chemical system. Assume that this reaction is at equilibrium and that in general the reaction to the right is favored.
CH3CH2OH + 3O2 2CO2 + 3H2O∆H = - 1,235 kJ/mol
•What type of chemical reaction is this?
•If more CH3CH2OH is added to the system, how will the reactions shift to reach equilibrium again?
•If water is extracted from the system, how will the reactions shift to reach equilibrium again?
•If heat is removed from the system, how will the reactions shift to reach equilibrium again?
•What is the name of the principle
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Chemistry
Salma Jacobson
What happens at the anode and the cathode of an electrochemical cell? Why do electrons flow from the anode to the cathode?
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