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Chemistry

Van Gamble

Some nighttime partygoers wear glow-inthe-dark necklaces. the necklaces start glowing once they are ""activated"" by snapping the necklace in a way that allows two chemicals to react and emit light in the form of chemiluminescence. is the chemical reaction exergonic or endergonic? explain your answer.

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Chemistry

Imani Diaz

Consider the following four solutions: a. NaCl in water b. Acetic acid in water c. Acetic acid in benzene d. Naphthalene in benzene Which of these solutions has the strongest solute-solvent interactions and the interaction is of which type?1. Acetic acid in water; hydrogen bonding2. Acetic acid in benzene; dipole-induced dipole interaction3. NaCl in water; ion-dipole interaction4. Naphthalene in benzene; London Dispersion Forces5. NaCl in water; hydrogen bonding

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Chemistry

Reece Nixon

Which alkane may be obtained by the reduction of 2-bromo propane

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Chemistry

Sienna Frank

Bone cells are found in what kind of tissue the anwser choices are muscle connective nerve epithelial

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Chemistry

Bria Daniel

How many Moles of NAOH are present in 2.50L of 0.300 M NaOH?

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Chemistry

Aracely Daniel

Is Silicon (Si) or Hydrogen (H) more abundant? I think it's Hydrogen, but I can't remember ...

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Chemistry

Cohen Kerr

One office building contains only incandescent lights. The building next door contains only fluorescent lights. Predict which building has higher energy bills. Explain your answer.

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Chemistry

Damaris Mayer

Which list of nuclear emissions is arranged in order from the greatest penetrating power to the least penetrating power?

(1) alpha particle, beta particle, gamma ray

(2) alpha particle, gamma ray, beta particle

(3) gamma ray, alpha particle, beta particle

(4) gamma ray, beta particle, alpha particle

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Chemistry

Brooke Hicks

Can i make slime with mirror starch

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Chemistry

Mariyah Butler

If you throw a pebble into a glass of hot water, is the resulting mixture a solution?

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Chemistry

Blackburn

How many moles are in 3.01 x10^22 atoms of magnesium?

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Chemistry

Shannon Richardson

Scientific notation of 230

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Chemistry

Victor Adkins

If an element has an atomic number of 20 and a mass number of 41, what is the:

Number of protons? c) Number of electrons?

Number of neutrons? d) Complete symbol?

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Chemistry

Ty

What electron subshell is being filled for the rare earth series of elements on the periodic table? What electron subshell is being filled for the actinide series?

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Chemistry

Ana Peterson

Is (NH4) 2 a ionic compound

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