Test 2 - 1 Precision refers to A how close a measured number B how close a measured number C how close a measured number D how close a measured

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Precision refers to __________. A) how close a measured number is to the calculated value B) how close a measured number is to infinity C) how close a measured number is to the true value D) how close a measured number is to other measured numbers E) how close a measured number is to zero Answer: D Page Ref: Sec. 1.4 2) Accuracy refers to __________. A) how close a measured number is to the true value B) how close a measured number is to infinity C) how close a measured number is to zero D) how close a measured number is to other measured numbers E) how close a measured number is to the calculated value Answer: A Page Ref: Sec. 1.4 3) Which of the following has the same number of significant figures as the number 1.00310? A) 8.66 B) 5.119 C) 100 D) 199.791 E) 1 x 10 6 Answer: D Page Ref: Sec. 1.4 4) When the following equation is balanced, the coefficient of FeCl 3 is __________. FeCl 3 + Na 2 CO 3 ¬ Fe 2 (CO 3 ) 3 + NaCl A) 3 B) 2 C) 4 D) 5 E) 1 Answer: B Page Ref: Sec. 3.1 5) The compound responsible for the characteristic smell of garlic is allicin, C 6 H 10 OS 2 . The mass of 1.00 mol of allicin is __________ g. A)
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This note was uploaded on 04/07/2008 for the course CHEM 1100 taught by Professor Dr.guzinski during the Spring '08 term at Western Michigan.

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Test 2 - 1 Precision refers to A how close a measured number B how close a measured number C how close a measured number D how close a measured

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