Question 15 of 27 Submit How many of the following are elements: CO2, CH4, S3, Coo,...
s Question Completion Status: QUESTION7 How many moles of CH4 is equivalent to 24.2 g of CH4 (Mw. 16.04 g/mol)? QUESTION Write a balanced chemical equation for the reaction of acetone (C3HgO) with oxygen (O2) to form carbon dioxide (CO2) and water (H2o) AC3HO)+02()C ()+H2O) @d. 6 C3H60a)+302 (g) → 6 CO2 (g) + 6 H2O (g) oc. c3140 a) + 4 02 (g)-→ 3 CO2 (g)+3H2O(g) OD, 3 CO2 (g) + 3H20(g) → C3H600"402 (g) QUESTION 9 How many...
21. How many of the following molecules are polar covalent compound? coco: o doc negative charge cor - H₂O a) Four b) Zeroc) One d) Two e) Three 22. Ir a solid line represents a covalent bond and a dotted line represents intermolecular atùraction, which of these choices shows a hydrogen bond? a) - N H -0. b) H-H c) O...H-C- d) CH-F- Question 23-26: Indicate the major types of attractive force --- a). ionic bond, b) dipole- dipole attraction,...
15) How many of the following molecules have sp hybridization on the central atom? C2Cl2 CO2 O3 H2O A)0 B)1 C)2 D)3 E)4
Question 9 of 15 Submit How many L of carbon dioxide at 1.00 atm and 298.15 Kare released from a car's engine upon consumption of a 51 L LIQUID tank gasoline? (Gasoline density: 0.77 kg/L, Molar mass of C3H18: 114.2 g/mol) C3H18 (1) + 25/2 O2 (g) → 8 CO2 (g) + 9 H2O (g)
Need answers to 5 & 6 QUESTION 5 How many liters of CO2 at STP could be produced from the reaction of 2.0 L of CH4 with 2.0 L of Oz (at STP)? O a.1O 6.2L 0 C 0.5L O d. 41 QUESTION 6 The pressure of a sample of gas at 25.0° C is 1.25 atm. What will be the new pressure if the gas is heated to 100.0°C? 5.00 atm O 0.131 atm 0.999 atm 1.56 atm
How many grams of sodium iodide are required to react completely with 3.01 x 1023 molecules of chlorine? 2 NaI + Cl2 ------> I2 + 2 NaCl A. 1.50 g B. 37.5 g C. 150. g D. 74.9 g 1 points QUESTION 2 When 22.0 g of NaOH and 21.0 g of H2SO4 are mixed and react according to the reaction: 2 NaOH + H2SO4 ------> Na2SO4 + 2 H2O, which is the limiting reagent? A. NaOH B. H2SO4 C....
1.08 moles of CNOS how many moles of oven atoms are in 1.0 mo a. 7.55 moles b 1.43 moles c. 6.48 moles d. 33.8 moles e 1.16 x 103 moles Select the correct balanced chemical equation for the CH4 +0% CO + H20 cal equation for the reaction below. a 2CH +90 - 12CO: + 7H30 b. 2C.H14+ 190, 1200, 14 :0 c. 2CH + 120: 12CO3 + 14H20 d. 3CHA+O 18CO) + 22H:0 e. CH4 +0: CO2 +...
10) Consider the following balanced e following balanced reaction. How many grams of water are required to form 75.9 g of HNO3? that there is excess NO present. The molar masses are as follows: H2O - 18.02 g/mol, HNO3 - 63.02 g/mol. A) 26.5 g H20 3 NO2(g) + H2O(1) -- 2 HNO3(aq) + NO(g) B ) 38.0 g H20 C) 10.9 g H20 D) 43.4 g H20 E) 21.7 g H20 11) A physical change A) occurs when iron...
How many grams of sodium are required to make .555 g of hydrogen gas? Question 27 (2 points) How many grams of sodium are required to make.555 g of hydrogen gas? 2 Na(s) + 2 H2O(1) --> 2 NaOH(aq) + H2(g) a) 6.38 Ob) 1.11 c) 25.5 d) 12.8 e) 51.1 Question 28 (2 points) Which procedure is most appropriate to prepare 200 mL of 0.050 M C6H1206 aqueous solution?
Question 22 (2.5 points) How many grams of glucose (C6H1206) are in 3.55 moles of glucose? A) 180. g B) 639 g C) 103 g D) 426 g E) 50.7 g А с ОЕ B D Question 23 (2.5 points) How many grams of MgO are produced when 40.0 grams of O2 react completely with Mg in the following reaction? 2Mg (s) + O2(g) → 2MgO(s) A) 30.4 g B) 50.4 g C) 60.8 g D) 101 g E) 201...