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Solutions to Quiz 5 - General Chemistry Lecture I | CHEM 151, Quizzes of Chemistry

Lansing Community CollegeChemistry

Material Type: Quiz; Class: General Chemistry Lecture I; Subject: Chemistry; University: Lansing Community College;

Typology: Quizzes

2011/2012

Uploaded on 03/23/2012

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Download Solutions to Quiz 5 - General Chemistry Lecture I | CHEM 151 and more Quizzes Chemistry in PDF only on Docsity!

NAME. CHEM 151 Take Home Quiz. 8 points. All work must be shown. including units, Agee OS. 4. A110. g sample of copper was heated to 82.4 °C and placed into 116.0 g of water at 22.3 °C. The temperature of water increased to 24.9 °C. What is the specific heat of copper? Assume heat gained by the calorimeter i$ Zero. (sp ht capacity of water = 4.18 J/ g °C) (Ars: 0.20 J/g °C} : SRs. (4d) (Ne) (46) = 1260-08% \ (L00 6 I> CODES?) = asZ5 = OS AH = -1531.0 Ki/'2, AH =- 367.4k] *3% AH= - 285.9 ki Bi2 245.9 3 é Calculate AH in ki for the following reaction: a 2 NH3 (g) +3 N,0 (g)-> 4 > AN? (g} +3.H20 (I} (Ans: -1040.0 kd) (221): ( (32) (C22) = “lols _ |