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Chemistry

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Irma Kerluke

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Cards in this guide (12)
What is 0.000098 in scientific notation

This number in scientific notation is 9.8x10-5.

How is electroplating done

the metal on which electroplating is to be done is taken as cathode ( negative electrode) . the metal of which electroplating is to be done is taken as anode ( positive electrode) and the salt solution of the metal of which electroplating is to be done is taken as electrolyte .

example-

if we want to electroplate iron with copper then iron is taken as cathode and copper is taken as anode and electrolyte is copper sulphate.Electroplating is the process of plating one metal onto another by hydrolysis, most commonly for decorative purposes. This is done through the use of copper in a copper sulfate bath.

Which term describes the describes the disorder of random molecular motion

Entropy

What kind of information do unit conversions give

unit conversions give an equal amount but with other units

Why are prefixes not needed in naming ionic compounds

Ions combine in only one ratio, so prefixes are not needed.

What best describes a bond formed between two unlike atoms

The type of bond is determined by the difference in electrongativity of atoms

How many total electrons can the d orbitals hold

10

What would be the percent yield of the reaction be if the theoretical yield is 11.22 g but the actual yield was 8.67 g

In this case the yield is 77,27 %.

Which of the following has the smallest radius is K plus Rb Rb plus K

K+

Which of the following has the largest radius K plus Na plus Na or K

Potassium has the largest atomic radius.

Which molecule or ion has a trigonal planar shape

So3

Which molecule or ion has a linear shape

BeCl2

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