Chemistry » Page 146

Chemistry

Jaelynn Burton

What stressors will affect the value for Keq according to Le Chatelier's principle?

A. increasing the concentration

B. decreasing the concentration

C. decreasing the pressure

D. increasing the temperature

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Chemistry

Amanda

N aqueous solution of sodium hydroxide is standardized by titration with a 0.154 m solution of hydrochloric acid. if 17.5 ml of base are required to neutralize 17.6 ml of the acid, what is the molarity of the sodium hydroxide solution?

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Chemistry

Josue Woodard

How large a volume is need to contain 21 grams of silver? (info: density of silver is 10.5)

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Chemistry

Summer Rowland

How could Cl change to gain stability?

lose 7 electrons

gain one electron

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Chemistry

Gregory Lloyd

Connie was making sodium chloride by adding an acid to an alkali. She followed the progress of the reaction with a pH sensor. At which pH would she know that the acid and alkali had completely reacted to give a salt solution?

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Chemistry

Edwin

Yttrium - 90 has a half life of 64 hours. How much of a 120g sample will remain after 128 hours?

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Chemistry

Adrianna Christensen

KOH is an Arrhenius and increases the concentration of when added to water.

Blank 1:

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Chemistry

Magdalena Jensen

Explain why the offsrping with Gg genes for pod color look the same as a pea plant with GG genes for pod color

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Chemistry

Willow Kirby

A jogger runs 107 yd in 10.00 seconds. What would be his time for a 483 m run at the same rate?

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Chemistry

Pranav Decker

Which statement describes the charge and location of an electron in an atom?

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Chemistry

Reynaldo

How would you prepare 70.0 ml of 0.200 m hno3 from a stock solution of 5.00 m hno3?

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Chemistry

Owens

What is the law of conversation of mass

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Chemistry

Liana Kerr

What mass of precipitate will be produced from the reaction of 50.0 mL of 2.50 mol/L sodium hydroxide with an excess of zinc chloride solution.

Show your work

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Chemistry

Sterling

A block of aluminum metal has a volume of 3.15 L and a mass of 8.51 kg. What is the density (g/mL) ?

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Chemistry

Courtney

If electrons fall back down to the 2nd energy level, what type of electromagnetic radiation is released?

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