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Chemistry

Guest

A sample of an ideal gas at 1.00 atm and a volume of 1.84 L was placed in a weighted balloon and dropped into the ocean. As the sample descended, the water pressure compressed the balloon and reduced its volume. When the pressure had increased to 30.0 atm, what was the volume of the sample

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Chemistry

Angelique Buckley

How do you think you can use the calorimeter to compare the specific heat capacities of a substance?

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Chemistry

Peyton

What does the law of conservation of mass state?

a. mass cannot be created nor destroyed in a chemical reaction.

b. mass can be created and destroyed during a chemical reaction.

c. mass can be created but not destroyed in a chemical reaction.

d. mass can be destroyed but not created during a chemical reaction

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Chemistry

Violet

Explain what states are changing in these examples

(A) Condensation:

(B) Evaporation:

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Chemistry

Hana Clayton

Give an example of a two face mixture and describe how you would separate the substances

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Chemistry

Chaya Rodriguez

A dependent variable is

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Chemistry

Addison Cohen

If a gas has a volume of 750 mL at 25oC, what would the volume of the gas be at 55oC?

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Chemistry

Kadin Hardy

The measure of the amount of dissolved salt in a liquid sample is called

the water cycle.

evaporation.

salinity.

a thermal exchange.

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Chemistry

Ayla

67.3 inches to meters

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Chemistry

Tori Horton

How many carbon atoms are there in a diamond (pure carbon) with a mass of 47 mg?

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Chemistry

Octavio Stout

Sulfur dioxide gas reacts with oxygen gas to form sulfur trioxide gas. express your answer as a chemical equation. identify all of the phases in your answer.

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Chemistry

Sadie

If a drug caused a sudden release of large amounts of calcium in skeletal muscle, from which structure would the calcium come?

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Chemistry

Isla Rojas

Which molecule has a nonpolar covalent bond?

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Chemistry

Adam Walton

What is the net ionic equation of the reaction of mgso4 with bacl2? express your answer as a chemical equation?

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Chemistry

Deandre Mahoney

Which statement is true about this reaction? Superscript 14 subscript 7 upper N plus superscript 1 subscript 1 upper H right arrow superscript 15 subscript 8 upper O. It is a practical source of energy on Earth. It occurs only outside the solar system. Its product is heavier than each of its reactants. It shows the critical mass of an element.

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