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sin theta equals to cos theta then the value of sin 2 theta
What is the mass number of the isotope lithium -7?
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The reaction of the decomposition of water into oxygen gas and hydrogen is balanced as such:
Using conversion factors, 2.0 mol H2O is equivalent to 1 mol O2, as per the reaction.
1 mol O2 is equivalent to 32g O2 (1 mol O2 * )
Answer: 32 g of oxygen.
