Why does some friction occur with seemingly smooth surfaces?

name one way you benefit from each of the following states of matter

How many grams of kr are in a 4.19 l cylinder at 84.9 °c and 2.59 atm?

What elements make mafic rocks dense?

What is the major organic product that results when 1-heptene is treated with hbr?

What neutral atom has the electron configuration of 1 s squared 2 s squared 2 p Superscript 6 Baseline 3 s squared 3 p Superscript 6 Baseline 4 s Superscript 1?

A flask of fixed volume contains 1.00 mole of gaseous carbon dioxide and 88.0 g of solid carbon dioxide. the original pressure and temperature in the flask is 1.00 atm and 300. k. all of the solid carbon dioxide sublimes.

Oxygen is in group 16 of the periodic table. An oxygen ion (O2-) has a charge of - 2. Which of the following would be most likely to combine with an oxygen ion to form a new compound?

How and why - Why does ice float on water

Measurements show that enthalpy of a mixture of gaseous reactants decreases by 228. kJ during a certain chemical reaction, which is carried out at a constant pressure.

When 9.8 mol Fe react with 11.5 mol HCl, what is the limiting reactant and how many moles of H2 can be formed? unbalanced equation: Fe + HCl yields FeCl3 + H2 HCl is the limiting reactant, and 3.