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L CALCULATIONS -FINAL EXAM NO: is 36. Which of the following is a metric unit? l

ID: 694559 • Letter: L

Question

L CALCULATIONS -FINAL EXAM NO: is 36. Which of the following is a metric unit? le, oxide (A)miles (B) kilometers (C) feet (D) yards la for 37. Matter is anything that has a mass and volume (A)True (B) False mass, of 38. What is the coefficient for Oz when the following chemical equation is balanced? B) 106.4 amu D) 39.1 amu (A) 42 (B) 21 (C) 7 (D) 11 be used to tion. 39. In the balanced equation, how many of grams of ammonia, NHs. can be produced from 10.0 g of H2? les of N2-3H2 2NH3 3.58 mol 4.21 mol (A) 28.4 g (C) 56.3 g (B) 48.6 g (D) 90.0 g otassium 40. How many milliliters of 0.200 M KCI can be made with 10.25 g of potassium chloride? (A) 441 mL (C) 27.5 mL 70 g mol 158 g mol (B) 3.82 x 10 mL (D) 687 mlL al to 1.00 es, l2 END OF EXAM Page 4 Fall 2017

Explanation / Answer

ans 36) KILOMETER is the metric unit of length

ans37) A TRUE ,anything that occupy space(volume) and has mass is called matter

ans38) 11 , C7H14 + 11 O2 --------> 7CO2 + 8 H2O

ans39) C , 6 gm produces 34 gm of ammonia , 10 gm will give 34 x 10/ 6 = 56.3 gm