Which element in period 3 on the periodic table is a metalloid? magnesium (mg) aluminum (al) silicon (si) sulfur (s)

A solution is prepared by mixing 2.88 mol of acetone with 1.45 mol of cyclohexane at 30°C. 2nd attempt Calculate the χacetone and χcyclohexane in the vapor above the solution. P°acetone = 229.5 torr and P°cyclohexane = 97.6 torr.

What structural feature of cells can allows molecules to flow directly from the inside of one cell to the inside of the next 1 Chloroplasts 2cilia 3plasmids 4plasmodesmata

Which of the following pollutants is NOT created by fossil fuels? a. sulfur dioxide c. nitrogen dioxide b. phosphodioxide d. carbon dioxide

What chemical element did hennig brand discover and what was he boiling down when he discovered it

What element is least likely to be found in nature

Which type of luster gives the mineral the appearance of metal?

Anything that contains only one kind of material?

One mole of propane (c3h8) gas reacts with five moles of oxygen (o2) gas to produce three moles of carbon dioxide gas (co2) and four moles of water gas (h2o).

How many nitrogen molecules are in 1.2 moles of N2?

Which best describes how sediment forms?