Chemistry » Page 14

Chemistry

Amy Wilson

How does microorganisms affect the quality of soil

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Chemistry

Alondra Ruiz

The red lionfish (shown below) is a voracious predator of small fish, including young angelfish and parrotfish. In the Caribbean, red lionfish have no natural predators. What is the most likely long-term outcome of the introduction of lionfish to a pristine reef?

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Chemistry

Caitlyn Knight

Cryolite, Na3AlF6 (s), an ore used in the production of aluminum, can be synthesized using aluminum oxide. Balance the equation for the synthesis of cryolite. equation: Al2O3 (s) + NaOH (l) + HF (g) ⟶Na3AlF6+H2O (g) If 14.0 kg of Al2O3 (s), 59.4 kg of NaOH (l), and 59.4 kg of HF (g) react completely, how many kilograms of cryolite will be produced? mass of cryolite produced: kg Na3AlF6 Which reactants will be in excess? HF Al2O3 NaOH What is the total mass of the excess reactants left over after the reaction is complete? total mass of excess reactants: kg question source: MRG - General Chemistry|publisher: University Science Books

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Chemistry

Ronin Swanson

Calculate the pH of a 2.0 M solution of HClO4?

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Chemistry

Makenzie

What type of reaction is: CaO + H2O - > Ca (OH) 2?

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Chemistry

Mayra Pittman

Which of the following is a good conductor of heat and electricity? (*hint: which is a good conductor-metal or nonmetal)

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Chemistry

Ivan Houston

Household baking soda has the chemical formula NaHCO 3. Name the elements in baking soda. Use the Periodic Table (given in last lesson) if necessary: chlorine nitrogen hydrogen helium carbon oxygen sodium

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Chemistry

Francis Pruitt

Complete combustion of 5.80 g of a hydrocarbon produced 18.6 g of CO2 and 6.36 g of H2O. What is the empirical formula for the hydrocarbon?

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Chemistry

Ahmad Lara

How to determine which step is the slow step in a reaction?

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Chemistry

Lamar Mercer

Write the chemical formulas and names of the binary acids and oxoacids that contain Group 7A elements. Do the same for elements in Groups 3A, 4A, 5A, and 6A.

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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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