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1307EX1Atest

1307EX1Atest - Equations o K = oC 273.15 o F = 1.8(oC 32...

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Equations: o K = o C + 273.15 o F = 1.8 ( o C) + 32 Constant: Density of water: 1.00 g/mL Coversions: 1 mile = 1.609 km 1 hour = 60 minutes 1 minute = 60 seconds The space below is designated for scratching purpose.

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MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1. A bowl of mint choc chip ice cream is best described as (a) An elemental substance (b) a homogeneous mixture (c) a heterogeneous mixture (d) a compound (e) a chemical reaction between water and milk 2. Which of these is the correct formula for potassium phosphate? 3. Determine the solution to this problem with correct number of significant figures. (12.7 + 0.23) ÷ 23.42 (a) 0.6 (b) 0.55 (c) 0.552 (d) 0.5521 (e) 0.55209 4. Identify the spectator ions in this reaction. BaCl 2 (aq) + ZnSO 4 (aq) (a) Zn 2+ , Cl - (b) Ba 2+ , Cl - (c) Zn 2+ , SO 4 2- (d) Ba 2+ , SO 4 2- (e) Zn 2+ , Ba 2+ 5. Which of these is the lowest temperature? 6. What is the coefficient in front of sodium hydroxide when the equation is balanced? S (s) + O 2 (g) + NaOH (aq) Na 2 SO 4 (aq) + H 2 O (l)
7. Identify the element X 35 17 . (a) bromine (b) chlorine (c) argon (d) tellurium (Te) (e) silver (Ag)

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1307EX1Atest - Equations o K = oC 273.15 o F = 1.8(oC 32...

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