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Chemistry

Guest

How does a decrease in temperature affect the pressure of a contained gas

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Chemistry

Hobbs

Give your determination of the stoichiometric formula of copper sulfide. a. Show the work detailing the proof of your assertion for the formula of the copper sulfide that you synthesized. The work should be included within your typed report in digital format.

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Chemistry

Jared

Which of the following measures the energy transferred from one object to another?

volume

mass

heat

temperature

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Chemistry

Adam Lowe

Which statements are true? na + is formed from the reduction of na (s). the oxidation number for hg (?) is 0. the oxidation number for cu (s) is + 2. zn2 + is formed from the oxidation of zn (s). a reducing agent gains electrons. an oxidizing agent gains electrons?

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Chemistry

Simeon Warren

An apple pudding is prepared by combining apples, sugar, butter, and lemon juice. To which category does it belong?

A) Compound

B) Mixture

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Chemistry

Hadley

How many electrons does carbon need to gain to obtain a noble gas electron configuration

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Chemistry

Prince Bowman

What is the pH of a solution of 0.750 M KH2PO4, potassium dihydrogen phosphate?

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Chemistry

Big Foot

What science was developed later which was found to support darwins theory

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Chemistry

Lamont Kim

Which best explains why a thick tropical forest filled with large plants typically has a lot of water vapor in the air?

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Chemistry

Dallas Fisher

Mixture of sediments deposited by a glacier

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Chemistry

Mercedes Ferguson

What type of mixture will not allow light to pass through

a. suspension

b. colloid

c. solution

d. mixture?

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Chemistry

Aimee

What's a mixture when two substances are mixed completely

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Chemistry

Sullivan Watkins

What are the similarities between molecules and elements

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Chemistry

Hailee Delgado

How many valence electrons are available for bonding in silicon

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Chemistry

Presley Henry

A 26 L flask at 224 K and 19 Torr contains

nitrogen. What mass of nitrogen is present?

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