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ChemistryChemistry
Harley Parsons
What is list of solutions
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ChemistryChemistry
River Morrow
Which best explains why graphite is a good lubricant?

Carbon atoms form strong bonds within each graphite layer but weak bonds between layers.

Each carbon atom in graphite forms weak covalent bonds with three other carbon atoms.

Carbon atoms in graphite form alternating single and double bonds.
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ChemistryChemistry
Elena Bailey
What is glucose? Why is it important?
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ChemistryChemistry
Honey
Which of these is an example of a chemical change?

Deflating a rubber balloon

Combining rubber with sulfur

Stretching an elastic rubber band

Erasing pencil marks from a page
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ChemistryChemistry
River Nixon
A gas is contained in a thick walled balloon. When the pressure change from __ torr to 777 torr, the volume changes from 2.58 L to 1.53 L and the temperature changes from 368 K to 495 K
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ChemistryChemistry
Sweet Tea
Identify whether the following example is qualitative or quantitative data.

the texture of a leaf:
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ChemistryChemistry
Tripp Kim
In the ideal gas equation, 'n' represents the:
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ChemistryChemistry
Rudy Mcgrath
Protons and neutrons are composed of what?

A electrons

B. quarks

C. ions

D. molecules
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ChemistryChemistry
Jase Roberson
Why is it not a good idea to store iodine in a plastic bag?
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ChemistryChemistry
Ellie Blair
Which occurs when a warm fluid cools down?

Energy is released to the environment.

Energy is absorbed from the environment.

The density of the fluid decreases.

The mass of the fluid decreases.
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ChemistryChemistry
Layla Cherry
Identify the solvent and solute in vinegar, a dilute solution of acetic acid.
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ChemistryChemistry
Marcos Horne
Calculate the volume occupied by 1.76 mol of gas at a pressure of 2.85 atm and a temperature of 355k
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ChemistryChemistry
Rohan Hickman
How does chemistry affect cancer
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ChemistryChemistry
Amaya Bridges
The wavelength of light that has a frenquency of 1.20x10^13s^-1
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ChemistryChemistry
Stella Castaneda
149.3 g of H2O at 95 ◦C is poured over 412 g Fe at 5 ◦C in an insulated vessel. What is the final temperature? The specific heat of H2O is 4.184 J / g· ◦C, the specific heat of Fe is 0.444 J/g · ◦C. Answer in units of ◦C.

I believe I am supposed to use the equation - Q=Q, where each Q=mc (change in T). But how do I know whether the water or the iron is the negative Q?
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