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1307EX1Btest

# 1307EX1Btest - 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. Which of these is the lowest temperature? (a) 37 o C (b) 54 o F (c) 313 K (d) B and C (e) All are equal 2. 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 3. 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+ 4. 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) 5. Which of these is the correct formula for potassium phosphate? 6. Identify the element X 35 17 .
7. 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

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