Chemistry » Page 84

Chemistry

Kemp

Electromagnetic energy does not need

A. frequency

B. something to travel through

C. wavelength

D. amplitude

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Chemistry

Cassie

Which of these can be used to distinguish a mixture from a compound?

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Chemistry

Laura Murillo

Which of the following is not sublimable?

Dry ice

Calcium chloride

Ammonium chloride

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Chemistry

Mckenna Ray

Why are most household items made up of oxygen?

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Chemistry

Eddie Orozco

How many valence electrons does aluminum oxide have

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Chemistry

Vincent Schaefer

How many grams of nh3 can be produced from 4.08 mol of n2 and excess h2. express your answer numerically in grams?

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Chemistry

Xiomara Stafford

For the reaction represented by the equation 2na + cl2® 2nacl, how many grams of chlorine gas are required to react completely with 2.00 mol of sodium?

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Chemistry

Trevin Beard

Transuranium elements are elements larger than uranium that are produced via transmutation.

a. True

b. False

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Chemistry

Evangeline Rogers

Explain why glacial deposits have been found in Africa?

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Chemistry

Rolando

Which of the following would result in butyl phenyl ether as the major product? a. Reaction of phenoxide with 1-bromobutane b. Reaction of 1-butanol with bromobenzene c. Reaction of phenyl magnesium bromide with 1-butanol d. Reaction of n-butyl magnesium bromide with phenol

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Chemistry

Jadyn Donovan

A 200-gram sample of a radioactive nuclide is left to decay for 60 hours. At the end of 60 hours, only 25 grams of the sample is left. What is the half-life of the nuclide sample?

60 hours

30 hours

40 hours

20 hours - - - > I think 20?

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Chemistry

Gamble

What is the symbolic formula for acetocholine?

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Chemistry

Kody Dean

How many hydrogen atoms are present in a hydrocarbon chain of five carbon atoms with two double bonds and two single bonds? 10 6 8 12?

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Chemistry

Selena Roy

What is the formula for S5O3

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Chemistry

Evan Graham

Power is measured in which unit?

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