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Chemistry
What is the percent yield for the reaction of 6.92 g of K and 4.28 g of O2 if 7.36 g of KO2 is recovered in the laboratory? 76.4% 77.4%
78.4%...
Chemistry
1)Why are the densities and specific gravities of gases different numbers?

2)What does the III in Iron III mean?

3)Why is SO2...
chemistry
how much water would 4.8 grams of hydrogen react with 38.4 grams of oxygen
Chemistry
What concept leads to the law of conservation of mass?
chemistry
a 40.0g metal bolt at 350.0degrees celcius is dropped into 200.0g of water initially at 25.0degrees celcius. the temperature is 35.0 degrees celcius...
Chemistry
Is there a difference between a homogeneous mixture of hydrogen and oxygen in a 2:1 ratio and a sample of water vapor? Explain.
chemistry
8.89times10to the 12powertimes4.116times10to the negative3power/44.5+831.6=? (give answer in the correct significant figures)
Chemistry
Which one of the following statements about sulfuric acid is correct?
A. Sulfuric acid is a known muriatic acid
B. Sulfuric acid is a strong...
chemistry- concentrations
In an attempt to remove iron from water, all of the iron is oxidized to Fe(III) and the pH adjusted to 7.0. The Ksp of the Fe(OH)3 id 1.0x10^-38. What...
chemistry
How does 1s orbital differ from a 2s orbital in terms of energy?

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