Recent questions in Physical Chemistry

+22 votes

0 answers

In P4O6, what is the number of oxygen atoms bonded to each P atoms?

asked May 20, 2023 in Physical Chemistry by Daver77

+103 votes

0 answers

Why are hydrogen bonds weaker than ionic and metallic bonds but stronger than covalent bonds?

asked May 19, 2023 in Physical Chemistry by Fordkugaguy

+17 votes

0 answers

Why can't polar molecules dissolve in the phospholipid bilayer, since the phospholipid has a polar phosphate head? Why is it that hydrophobic substances dissolve due to the hydrophobic tails but the heads do not dissolve hydrophilic substances?

asked May 19, 2023 in Physical Chemistry by facequantity (3.5k points)

+12 votes

0 answers

How do I supply the missing product(s), identify the type of reaction, and balance the equation: aluminum metal + cupric sulfate → _______________ + _______________________?

asked May 19, 2023 in Physical Chemistry by Itandje

+10 votes

0 answers

What is the difference between polar and non-polar covalent bonding? Why do we use them interchangeably? Which is more correct to describe a compound that has both types of bonds in it?

asked May 19, 2023 in Physical Chemistry by Oddbod

+83 votes

0 answers

How do you tell if something is an ionic or covalent compound?

asked May 18, 2023 in Physical Chemistry by Joe92

+11 votes

0 answers

Anyone with a strong chemistry background have an idea on how to make KCo2Se2? I really need the help!

asked May 18, 2023 in Physical Chemistry by MysticDreamer

0 votes

0 answers

Polar and nonpolar solvents: What will happen if I add 1ml of petroleum ether in 5ml of distilled water?

asked May 17, 2023 in Physical Chemistry by dragon

+24 votes

0 answers

Why does magnesium have a lower second ionization energy than calcium?

asked May 17, 2023 in Physical Chemistry by ginger tuffs

+39 votes

0 answers

What is the reason that atoms with full shells have a higher ionization energy than atoms with half-filled shells?

asked May 16, 2023 in Physical Chemistry by surprisinghumiliated

+18 votes

0 answers

What is the difference between molarity and normality (concentration)? Why are they different when we use them to express concentrations of ionic compounds or solutions?

asked May 16, 2023 in Physical Chemistry by Ayrton5

+3 votes

0 answers

What is the molar solubility (in mol L-1) of a salt in pure water with general molecular formula MX2 (where M is a cation and X is an anion) that has Ksp = 5.56 x 10-10?

asked May 15, 2023 in Physical Chemistry by Faithmarie

+6 votes

0 answers

The difference of electronegativity of CCl3 is 0.5 but still its non-pollar. Can you please describe why?

asked May 15, 2023 in Physical Chemistry by Boyd761

+109 votes

0 answers

What is the overlap of atomic orbitals in a covalent bond?

asked May 14, 2023 in Physical Chemistry by MysticOracle

+19 votes

0 answers

Can any element form both covalent and metallic bonds?

asked May 14, 2023 in Physical Chemistry by FraserD

+18 votes

0 answers

Why are polar molecules partially charged?

asked May 13, 2023 in Physical Chemistry by Tcam

+89 votes

0 answers

A solution is made by dissolving 14.8g HCl in water at 25°C. If the volume of the solution is 750cm3 and HCl is taken to be completely ionized, what would be its pH?

asked May 12, 2023 in Physical Chemistry by NovaMystic

+15 votes

0 answers

Why do atoms form covalent bonds by sharing their valence electron pairs?

asked May 12, 2023 in Physical Chemistry by wenceslauscoil

+23 votes

0 answers

How can a tiny hole be made for effusion (chemistry) of an enclosed gas? The hole should be smaller than free path of the gas molecule which means very small? Will a pinhole do?

asked May 11, 2023 in Physical Chemistry by bapon 1

+443 votes

0 answers

How can silica gel be polar if it's made of non-polar SO2 molecules?

asked May 11, 2023 in Physical Chemistry by delicatetrysail

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Recent questions in Physical Chemistry

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