Electrum 50
Mass (9)
25
10
Volume (mL)
IS
7. The orange line in the Mass-Volume graph above
represents the metal electrum. Use the graph to find the
Density of electrum.

What is the relation between concentration of reactants and the rate of chemical reaction?

What is the approximate vapor pressure when the gas condenses at 70 degrees celsius

You exhale co2 which is produced during cellular respiration.  co2 combines with the water in your blood's plasma to make up one half of the body's most important buffer pair, carbonic acid.  the more physical activity you engage in, the more co2 your body is producing.  you can see this by putting some of the cabbage indicator in a glass and then blowing bubbles into it through a straw.  can you see a change in the color of the indicator?