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Test 2B

Test 2B

Q Question 1 0.5 / 0.5 pts Which of the following are soluble in water or NOT soluble in water? 1. KOH 2. Ag3PO3 3. RbNO3 4. CH3CH2OH (ethanol) 5. CH3CH3 (ethane) Question 2 0.5 / 0.5 pts Match the following descriptions to the amounts given. Question 3 0.5 / 0.5 pts Match the chemical equations to the coefficients that will correctly balance each. 1. Ca + HCl ? CaCl2 + H2 2. C6H6O + O2 ? CO2 + H2O 3. OsO4 + PtCl4 ? PtO2 + OsCl8 4. Mg(OH)2 + HNO3 ? H2O + Mg(NO3)2 5. NH3 + O2 ? NO + H2O Question 4 0.5 / 0.5 pts Match the statements to the reaction(s). A) HNO3 + AgOH ? AgNO3 + H2O B) 2Ag + H2S ? Ag2S + H2 C) 2AgNO3 + Fe ? 2Ag + Fe(NO3)2 Question 5 0.5 / 0.5 pts Match the outcome to the situations below. What happens when:

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1.Compound 1 Correct! Compound 2 Correct! Compound 3 Correct! Compound 4 Correct! Compound 5 2.,CsOH = 150 g/mole Correct! grams of CsOH in 0.02 moles Correct! grams of CsOH in 100mL of 0.1M CsOH Correct! grams of CsOH in 40mL of 0.5M CsOH Correct! grams of CsOH needed to completely react with 200 mL of 0.1M HCl CsOH + HCl ? CsCl + HOH Correct! grams of CsOH needed to make 1L of 0.06M CsOH solution 3.Reaction 1 Correct! Reaction 2 Correct! Reaction 3 Correct! Reaction 4 Correct! Reaction 5 4.Silver is reduced. Correct! Silver is oxidized. Correct! Silver is neither oxidized nor reduced. Correct! Hydrogen is reduced. Correct! Hydrogen is oxidized. 5.a ping pong ball is placed it in a pan of boiling water to remove a dent? Correct! your diaphragm compresses your lung tissue? Correct! your diaphragm descends and stretches your lung tissue? Correct! a balloon is put into a freezer? Correct! an aerosol can thrown into a fire? (until it explodes).