Ineed the question in my science book. imagine you’re a sports-caster. write a commentary describing each of the “tug-of-war” matchups below.
round 1: hydrogen (h2)

round 2: hydrogen fluoride (hf)

Which piece of equipment would me most useful for measuring the volume of some water? a. pan balance b. graduated cylinder c. tweezers d. flask quick

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?

One similarity and one difference between an element and a mixture of elements