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How is Molarity different from Molality?

Both molarity and molality are measures of concentration, or how much solute is dissolved in solvent. Let's first get acquainted with a...

Which electron shell in an atom of calcium in the ground state has an electron with the greatest

The further an electron is from the nucleus, the higher it's energy is. Therefore, electrons in the valence shell (outermost shell) have the

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The only two elements in alkenes and alkynes are

The only two elements in alkenes and alkynes are (1) carbon and nitrogen (2) carbon and hydrogen (3) oxygen and nitrogen (4) oxygen and...

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How to recognize intermolecular forces?

Intermolecular forces are forces of attraction between molecules. These forces influence properties of substances such as boiling and...

How to best prepare for chemistry finals?

It's almost december and that means it's finals time! This can be very overwhelming and stressful. At Transformation Tutoring, we came up...

What is the chemical name of the compound NH4SCN?

What is the chemical name of the compound NH4SCN? (1) ammonium thiocyanate (2) ammonium cyanide (3) nitrogen hydrogen cyanide (4)...

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How to convert grams to moles?

To convert grams to moles and vice versa, we must always use Molar Mass. Molar Mass can be calculated using the Periodic Table. To...

Will precipitation occur when the following solutions are mixed?

Will precipitation occur when the following solutions are mixed? If so, write a balanced chemical equation for the reaction. (a) Na2CO3...

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Which notations represent atoms that have the same number of protons but a different number of neutr

Which notations represent atoms that have the same number of protons but a different number of neutrons? (1) H-3 and He-3 (2) S-32 and...

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A sample of the male sex hormone testosterone,C19H28O2, contains 3.88 * 10^21 hydrogen atoms.

A sample of the male sex hormone testosterone,C19H28O2, contains 3.88 * 10^21 hydrogen atoms. (a) How many atoms of carbon does it...

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