A 15.0L flask of CH4 is at 30 °C and 0.965 atm. How many molecules of...
Question 19 (1 point) How many molecules of CH4 are in 48.2 g of this compound? OA) 2.00 x 1023 OB) 1.81 x 1024 C) 5.00 10-24 D) 4.00 E) 4.64 x 1026
How many molecules of carbon dioxide will be formed if 6.75 g of propane is burned in the reaction below? C3H3()+502() 3C02()+4H20(8) © 1.22 x 1025 molecules 9.22 x 1022 molecules 3.69 x 102 molecules 2.77 x 1023 molecules 4.61 x 1023 molecules
Question 19 (1 point) How many molecules of CH4 are in 48.2 g of this compound? OA) 2.00 x 1023 OB) 1.81 x 1024 C) 5.00 10-24 D) 4.00 E) 4.64 x 1026
14. A sample of oxygen gas has a volume of 4.50 L at 27°C and 800.0 torr. How many oxygen molecules does it contain? A) 1.16 x 1023 B) 5.8 x 1022 C) 2.32 x 1024 D) 1.16 x 1022 E none of these
How many carbon monoxide molecules are there in 2.33 moles of carbon monoxide? 1 O a) 2.02 x 1024 O b) 7.88 x 1023 c) 1.40 x 1024 O d)3.54 x 1024 e) 1.11 x 1022 Which of the following compounds is a covalent compound? 2 Choose all that apply. a) Li2o b) CS2 c) NiCl2 d) NF3 e) Ca3P2 fCsF Which of the following is a property of both solids and gases? 3 a) high degree of compressibility b)...
3) Calculate the percentage by mass of hydrogen in PtCl2(NH3)2 A) 0.672 B) 2.016 C) 1.008 D) 0.034 E) 1.558 4) How many molecules of CH4 are in 48.2 g of this compound? A) 1.81 x 1024 B) 4.00 C) 2.00 x 1023 D) 4.64 x 1026 E) 5.00 x 10-24 5) A sample of CH2F2 with a mass of 19 g contains A) 9.5 B) 3.3 * 1024 C) 2.2 x 1023 atoms of F. D) 4.4 x 1023...
Part A How many molecules of O2 are contained in a 10.0 L tank at 7.53 atm and 485 K? O1.14 x 1024 molecules 5.30 x 1024 molecules 5.69 x 1023 molecules 3.90 x 1024 molecules 2.28x 1024 molecules Request Answer Submit Provide Eeedhack
How many molecules of H2S are required to form 79.0 g of sulfur according to the following reaction? Assume excess SO2. 2 H2S(g) + SO2(g) ? 3 S(s) + 2H2O(l) Answer 9.89 × 1023 molecules H2S 5.06 × 1025 molecules H2S 2.44 × 1023 molecules H2S 1.48 × 1024 molecules H2S 3.17 × 1025 molecules H2S
2.1. How many molecules are in 2.34 mol of NaOH Na = 23,0=16, H = 1 Answers A-D A 2.40 x 1025 B x 1024 1.409 С $ 1023 6.02 x 1023 D 4.0 OF 34 QUESTIONS VERSION 2M 3.12 MacBook
How many molecules of H2S are required to form 79.0 g of sulfur according to the following reaction? Assume excess SO2.2 H2S(g) + SO2(g) ? 3 S(s) + 2H2O(l)Answer9.89 × 1023 molecules H2S5.06 × 1025 molecules H2S2.44 × 1023 molecules H2S1.48 × 1024 molecules H2S3.17 × 1025 molecules H2S