Compare a skeleton formula and a chemical formula
1. Explain why is it important that a chemical equation be balanced?
2. Explain when balancing a chemical equation, can you adjust the number that has been subscripted to a substance?
3. Compare a skeleton formula and a chemical formula.
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Determine how many milligrams of iodine will sublime into an evacuated 1.00-L flash? What will the final pressure be when 2.0 mg of I2 is used?
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A pure sample of 226 Ra includes 2.0 x 10^14 atoms of the isotope. When the half-life of 226 Ra = 1.6 x 10^3 years, determine the activity of the sample?
Explain why is it important that a chemical equation be balanced? Explain when balancing a chemical equation, can you adjust the number that has been subscripted to a substance?
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Determine how many moles of carbon monoxide form at the same time that 0.246 mol CS2 produces? Determine the numbers of mole SO2 are needed to make the 118 mol CS2?
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