C3H8 + 5O2 -> 3CO2 + 4H2O a) If you used 3 moles of O2, how many moles of H2O would be produced? b) If you used 3.5 moles of C3H8, how many grams of CO2 would be produced? c)If you used 230g of O2, how many grams of H2O would be produced?

There are main groups in the modern periodic table of elements

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

Long term exposure to waves can cause sunburns and skin cancer. a) visible b) infrared c) gamma rays d) ultraviole