chem 101

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CHEMISTRY 101: Comprehensive Test Bank with 100% Verified Answers – Study Guide & Practice Questions
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June 2025

2024/2025

A+
Ace your chemistry exams with this 100% verified test bank! Packed with high-yield questions and answers, this guide covers essential topics like chemical classifications, scientific notation, metric units, and the scientific method. Perfect for university students, it includes practice problems, detailed explanations, and exam-ready content. Whether you're preparing for midterms, finals, or standardized tests, this document is your ultimate study companion. Save time, boost confidence, and s...
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Magnesium sulfate reacts with barium chloride according to the following balanced equation. If 1.20 g of magnesium sulfate is allowed to react with 10
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September 2015

2015/2016
Magnesium sulfate reacts with barium chloride according to the following balanced equation. If 1.20 g of magnesium sulfate is allowed to react with 10.0 g of barium chloride in a water solution, what is the theoretical yield of barium sulfate? MgSO4(aq) BaCl2(aq) → BaSO4(s) MgCl2(aq)
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Pyrite is a mineral with formula FeS2. An impure sample of pyrite, known to be 90-95% w/w FeS2, is to be analyzed by oxidizing all the sulfur to SO42-
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September 2015

2015/2016
Pyrite is a mineral with formula FeS2. An impure sample of pyrite, known to be 90-95% w/w FeS2, is to be analyzed by oxidizing all the sulfur to SO42-, and then precipitating as BaSO4. Exactly how many grams of the sample must be taken if a minimum of 1.0 gram of BaSO4 is desired? ( stoichiometry).
Maxim777
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Question: Balance following equations: C3H8 O2 → CO2 H2O Al2(SO3)3 NaOH → Na2SO3 Al(OH)3 Al2O3
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September 2015

2015/2016
Question: Balance following equations: C3H8 O2 → CO2 H2O Al2(SO3)3 NaOH → Na2SO3 Al(OH)3 Al2O3 Fe → Fe3O4 Al Difficult section S HNO3 → H2SO4 NO2 H2O Cu HNO3 → Cu(NO3)2 NO H2O
Maxim777
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