Chemistry » Page 18

Chemistry

Maddison Harvey

An atom in the excited state can have an electron configuration of

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Chemistry

Richards

4fe (s) + 3o2 (g) →2fe2o3 (s) how many grams of Fe2O3 are produced when 12.0 of iron rusts

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Chemistry

Marin Sawyer

Chromium 6 is commonly referred to as?

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Chemistry

Braedon Leonard

How does a parallel circuit differ from a series circuit?

A. A parallel circuit had one path for electrons, but a series circuit has more then one path.

B. A series circuit has one path for electrons, but a parallel circuit has more then one path.

C. A parallel circuit includes more than on resistor, but a series circuit has one resistor.

D. A parallel circuit has a power source, but a series circuit does not.

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Chemistry

Angela

Which of the following is an example of potential energy?

-none of the above

-A person jumping on a trampoline

-a book on the shelf

-A person running in place

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Chemistry

Guest

One atom of silicon can properly be combined in a compound with

a. three atoms of hydrogen.

b. four atoms of calcium.

c. two atoms of oxygen.

d. one atom of chlorine.

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Chemistry

Nathan

How many carbon atoms are present in a mole of 12C?

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Chemistry

Bridget Trevino

What is the formula for copper (II) phosphate? Capitalization and punctuation count. How many atoms of phosphorus are in 7.10 mol of copper (II) phosphate?

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Chemistry

Zamora

What is the formula of barium hydroxide? (chemistry) ?

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Chemistry

Ally Marks

Carbonated cola is more acidic than coffee or even orange juice because cola contains phosphoric acid. what is the molar concentration of h3o + in a cola that has a ph of 2.670

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Chemistry

Mayer

Which statement is correct about honey?

It contains disaccharides, a complex type of lipid.

It contains monosaccharides, the simplest carbohydrate.

It contains starch, which gives it a sweet taste.

It contains lipids, which give it a sweet taste.

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Chemistry

Rigoberto Weeks

Recycling one ton of paper is the equivalent of approximately how much of the following? a.) all of the below b.) 460 gallons of oil c.) 6950 gallons of water d.) 590 pounds of air pollution

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Chemistry

Arely Figueroa

What is the best way to compare a concentrated solution to a dilute solution, given the same volume of solution?

A.

The concentrated solution has less solute than the dilute solution.

B.

The concentrated solution has the same amount of solute as the dilute solution.

C.

The concentrated solution has more solute than the dilute solution.

D.

The concentrated solution has a different amount of solute than the dilute solution.

E.

The concentrated solution has the same amount of solute as the dilute solution.

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Chemistry

Sadie

What is the mass number of an isotope

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Chemistry

Alexandra Figueroa

A sample of sodium reacts completely with 0.284 kg of chlorine, forming 468 g of sodium chloride. What mass of sodium reacted?

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