What is the molarity of solution containing 10% by mass of calcium hydroxide in 0.5dm3
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A__ is two or more substances that are together in the same place but are not chemically combined

Which function is performed by earths atmosphere? a. ultraviolet rays are prevented from reaching the ozone layer. b. earths temperature is raised and moderated by trapping in heat c. charged particles from the sun are prevented from reaching earth. d. magnetic charges from space are prevented from reaching earths surface.

If you have 5.25 grams of methane (ch4), how many grams of co2 will you produce ?