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What is the reaction between Sodium Chlorite (NaClO2) and Hydrogen Peroxide (H2O2)? a chemical equation would be appreciated? A geometric sequence begins 15, 3, 3/5, 3/25, 3/125,.... Find the common ratio r for this sequence.? additional questions in comments.? 5√2 -4√18 + √36 = 6-7√2. Can someone explain how this problem is done and why that's the answer? When will Mercury be "eaten" by the Sun? Will it be after the human race is gone in a billion or so years? Radius of a cylinder increases at 0.2cm/s,and the hieght decreases at 0.5cm/s.find the rate of volume, when radius is 8cm & hieght 12cm.?