Check the box of any item below that can be categorized as matter. gravity

magnetic force

heat

sunlight

air

molecules of salt

atoms

chocolate cake

freedom

cells

steam

magnets

Which of the following elements is a representative element? a. chromium (cr) b. aluminum (al) c. mercury (hg) d. silver (ag)

Calculate: select the worksheet tab. this tab you calculate the analyte concentration.  fill in the first set of boxes ("moles h2so4" and "moles naoh") based on the coefficients in the balanced equation. (if there is no coefficient, the value is 1.)  record the appropriate volumes in the "ml naoh" and "ml h2so4" boxes.  record the concentration of the titrant in the m naoh box. click calculate. what is the concentration listed

Identify the lewis base in this balanced equation: fe3+ h2o fe(h2o)63+