An Erlenmeyer flask contains 25.00 mL of 0.10 M HCl before titration. Which expression shows how to find the moles of hydrogen ions present in the flask? How many moles of hydrogen ion are present in the flask?

moles H+ =

Which statement describes how phase changes can be diagrammed as a substance is heated? the phase is on the y-axis and the temperature is on the x-axis. the temperature is on the y-axis and the phase is on the x-axis. the time is on the y-axis and the temperature is on the x-axis. the temperature is on the y-axis and the time is on the x-axis.

One of the few xenon compounds that form is cesium xenon heptafluoride (csxef7). how many moles of csxef7 can be produced from the reaction of 13.0 mol cesium fluoride with 12.5 mol xenon hexafluoride? csf(s) + xef6(s) csxef7(s)

Use examples from the article to explain one positive and one negative effect that chemistry has had on society.