Chemistry » Page 15

Chemistry

Camren Lutz

What is the volume of a gold nugget that weighs 2.20 kg? The density of gold is 19.28 g/cc.

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Chemistry

Courtney

Find the percentage composition of carbon in H5C2O

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Chemistry

Rachel Weber

When studying atoms, scientists can ignore the

force between charged particles that make up

the atoms because it is many millions of times smaller than other forces in the atom.

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Chemistry

Nicholas Zavala

How should a stopper be handled after is has been removed from a reagent bottle?

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Chemistry

Daniel

Which of the following would most likely contain carbon?

a. trees

b. uranium

c. water

d. salt

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Chemistry

Jessie Sims

Water becomes a gas. what step is this?

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Chemistry

Emely Frye

If 125 mL of a 1.1 M glucose solution is diluted to 500.0 mL, what is the molarity of the diluted solution? Express your answer using two significant figures.

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Chemistry

Jaeden Jensen

What do you chemically call water?

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Chemistry

Arielle Bradshaw

Can beryllium be broken down by chemical change?

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Chemistry

Brock Adams

What is the total number of atoms in this formula?

NaHCO3

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Chemistry

Barney

An object was measured by a worker as 14.6 cm long, however, the manufacturer specifications list the length of the object at 14.4 cm. What is the percent error in the workers measurement

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Chemistry

Elianna Meza

Does The human brain retains more information than all the books in the Library of Congress

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Chemistry

Amiyah Sampson

Will an object with a density of 0.97 g/ml float or sink in water

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Chemistry

Calhoun

Which subatomic particle contributes least to the mass of the atom? which subatomic particle contributes least to the mass of the atom? neutron electron proton all of these contribute equally?

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Chemistry

Stacy Short

2H2S (g) 2H2 (g) + S2 (g)

Kc = 1.67 * 10 ^-7 at 800 C

A 0.500 L reaction vessel initially contains 0.0125 mol of H2S at 800 C. Find the equilibrium concentrations of H2 and S2.

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