How many moles of KO2 are required to produce 1.75 moles of oxygen gas? Balanced Equation: 2KO2 + CO2 = K2CO2 + 2O2

About 70 percent of the earth's surface is water-covered, and about 96.5 percent of all earth's water is salt water. identify the watery feature on earth that is made of freshwater rather than salt water. a) bay b) glacier c) ocean d) sea it is not incomplete this is the true question

Suppose a lab group reports a ppercent yield of sand of 105. is it really possible to collect more sand than was originally represented? what is the possible explanation for the extra product?

Which characteristics can be used to differentiate star systems? check all that apply.