How many elements are in oxygen

Which of these terms refers to matter that could be heterogeneous? (1) element (3) compound (2) mixture (4) solution

A/1 * B/C = D You discover a chemical reaction that produces 2 moles of valuable propane for every 7 moles of carbon supplied. Essentially, this is an exchange rate of 2 moles of propane for every 7 moles of carbon. If you have 1.

if 185 mg of acetaminophen were obtained from a tablet containing 350 mg of acetaminophen what would be the weight percentage recovery

5.00 of a certain Compound X, known to be made of carbon, hydrogen and perhaps oxygen, and to have a molecular molar mass of 128.

What is the functional group of an alcohol and a phenol?

Which is a conversion factor for this statement of equality: 12 in. = 1 foot? 12 feet1 in. 12 feet 1 in. 1 in. 12 feet 1 in. 12 feet 1 foot12 in. 1 foot 12 in. 1 foot1 in. 1 foot 1 in.

Which of the following is an incorrect way of rearranging the density formula: a. m=v•d b. V=d/m c. V=m/d d. Both a and b are incorrect

Describe how the periodic table differentiates between metals and nonmetals. I need a very informative description/explanation on this.

When the ideal gas law is arranged as shown below, what property of the gas is being solved for (represented by the X) ? x equals PV over nR

Which element could chlorine bond with to form an ionic compound? helium oxygen fluorine sodium