What part of an atom has most of its mass

Starting with benzene as the only aromatic compound available, synthesis the following compound using any necessaryreagents. Will the compound form a stable carbo-cation when treated withconcentrated sulfuric acid? Fully justify your answer.

Write the complete symbol for the ion with 52 protons, 70 neutrons and 54 electronsp

How many protons and neutrons does aluminum

Which of the following chemical equations is balanced? a. Zn + HCI - - ZnCl2 + H2 b. 2 Zn + 2 HCI - ZnCl2 + H, c. 2 Zn + HCI - ZnCl2 + H2 d. Zn + 2 HCI - ZnCl2 + H2

In order to start a class a fire you must have

Question 6 if a gas pressure gauge reads 32.0 psi, what is the pressure in inches of mercury? 165 in. hg 15.7 in. hg 65.1 in. hg 32.0 in. hg 6.19 in. hg

A line in the Brackett series of hydrogen has a wavelength of 1945 nm. From what state did the electron originate?

Convert 4.5 hours to seconds

Gasoline catches on fire is it flammability?

Enzymes are proteins that speed up chemical reactions in the body how do they work A. they increase the surface area of reactants B. they increase the concentration of reactants C. they decrease the concentration of products D. They act as reactants