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ChemistryChemistry
Harrison Porter
What do alkali metals do with that one electron
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ChemistryChemistry
Deegan Khan
For which of the following reactions are both reactants and products likely to be found when the reaction appears to be complete? Explain.

Mg+O2⇒2MgO

HF + H2O⇆H30+F
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ChemistryChemistry
Damari Roman
Why do metals change in appearance over time?
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ChemistryChemistry
Lilah
500.0 ml of 0.110 m naoh is added to 535 ml of 0.250 m weak acid (ka = 6.37 * 10-5. what is the ph of the resulting buffer?
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ChemistryChemistry
Brendon Cuevas
How many liters are

in 4.27 mol of O2?
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ChemistryChemistry
Underwood
What two spheres interact together to create fog?
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ChemistryChemistry
Lily Buckley
In a redox reaction, oxidation is defined by the:

1. gain of electrons, resulting in an increased oxidation number.

2. loss of electrons, resulting in a decreased oxidation number.

3. gain of electrons, resulting in a decreased oxidation number.

4. loss of electrons, resulting in an increased oxidation number.
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ChemistryChemistry
Dominic Michael
The benefit of fusion is that it:

requires no fuel

produces more energy

yields very little nuclear waste

is easier to control
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ChemistryChemistry
Rocket
What's the reaction between coke and salt?
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ChemistryChemistry
Mcbride
Which kind of investigations never include a hypothesis?

experimental

systemic

descriptive

comparative
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ChemistryChemistry
Hassan Ewing
If electrons were used in the two-slit experiment instead of light, what change would need to be made to the slit spacing in order to see a diffraction pattern?
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ChemistryChemistry
Judah
When the pressure and number of particles of a gas are constant, which of the following is also constant?

a. the sum of the volume and temperature in Kelvin

b. the difference of the volume and temperature in Kelvin

c. the product of the volume and temperature in Kelvin

d. the ratio of the temperature to volume in Kelvin
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ChemistryChemistry
Frank Rowland
What particles are found in the chemicals that may be responsible for the production of colored light?
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ChemistryChemistry
Brenna Golden
If the number of neutrons in an atom is changed, does the atom become a new element? Why or why not? a. Yes. The number of neutrons determines the identity of an atom b. Yes. The number of neutrons determines the number of electrons in an atom, and therefore, the identity of the element. c. No. It is the number of protons, not the number of neutrons, that determines the identity of an atom. d. No. It is the number of electrons, not the number of neutrons that determines the identity of an atom.
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ChemistryChemistry
Sonia Ruiz
The common ion effect is the lowering of the solubility of a substance by the presence of a common ion
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