Which of the following is a physical change?

A) burning a piece of paper

B) lighting a match

C) chopping a piece of wood

D) a rusting nail

What can show the presence of carbon dioxide?

Strontium bromide contains only strontium and bromine. what is the formula for this compound?

Which scientist was able to quantify the electron's charge and estimate its specific mass?

To what volume should 25mL of 15M nitric acid be diluted to prepare a 3.0M solution?

Suppose that Daniel has a 2.50 L bottle that contains a mixture of O2, N2, and CO2 under a total pressure of 5.80 atm. He knows that the mixture contains 0.290 mol N2 and that the partial pressure of CO2 is 0.250 atm.

What is a Boitic factor

What would the partial pressure of water vapor be if you included this gas in the problem and it gave a total of 1.03atm? 0.01 atm 0.03 atm 1.03 atm

Define a balance equations:

What is the best description of the Bohr model of the atom? The atom consists of a positively charged material with negatively charged electrons embedded within it. The atom consists of a nucleus with electrons orbiting randomly around it.

What is a slogan for sulfur that rhymes