34. How many molecules of O2 are there in 6.8 mol of O2? a. 218 b....
explanation please 8) How many molecules are present in 4.25 mol of CC14? A) 9.26 x 1024 molecules (B)2.56 x 1024 molecules C) 653.69 molecules D) 153.81 molecules E) 3.69 x 10-23 molecules 9) How many molecules are there in 3.00 moles of NH3? A) 1.00 molecules B) 3.00 molecules C) 17.00 molecules D) 1.20 x 1024 molecules E1.81x 1024 molecules 10) How many molecules are present in 3.25 mol of C2H60? A) 3.25 molecules B) 46.0 molecules C) 1.85...
How many molecules of O2 are present in a 3.90L flask at a temperature of 273K and a pressure of 1.00atm? Use 6.022×10^23 mol^ −1 for Avogadro's number. Select the correct answer below: A) 1.05×10^23 molecules B) 1.74×10^23 molecules C) 3.74×10^24 molecules D) 9.60×10^22 molecules
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
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
A) 3.91 x 1023 molecules B) 1.09 x 1021 molecules C) 1.96 * 1023 molecules D) 58.57 molecules E) 1.80 x 10-3 molecules 38) Which of the choices is the correctly balanced form of the following equation? C6H14(%) + O2(g) + CO2(g) + H20(1) A) 2C6H14() + 1902(g) 12C02(g) + 14H20(1) B) C12H28() + 380(g) 12C02(g) + 14H20(1) C) C6H14(4) + 190(g) 6CO2(g) + 7H2007 D) C6H14) + 1302(g) → 6CO2(g) + 7H20(1) E) C6H14() + 1902(g) 6CO2(g) + 7H20(1)...
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
D How many moles and how many molecules of zinc chloride are in a weighing 89.5 g? A) 0.432 mol, 2,60 x10-24 molecules B) 0,887 mol, 5.34 x 1023 molecules C)0657 mol, 4.0 x 1023 molecules D) 0.887 mol, 4.0 x 1024 molecules 8) Which of the following underlined items is not an intensive property? A)A chemical reaction requires 3.00 g of oxygen. )Solid copper hydroxide is blue colored C) The density of heliumm at 25 C is 1.64 x...
locs are present in a sample of HCl with a mass of 3.65g? 4. How many moles are present in a sa A. 3.46 moles B. 0.100 moles C. 2.19 X 1024 moles D. 10.0 moles 5. How many moles are present in 32.46g of AgNO3? A. 0.191 moles B. 5520 moles C. 5.23 moles D. 32.5 moles 6. How many molecules are present in 18.0g of MgSO4? A. 6.02 X 1023 B. 3.60 X 10-21 C. 4.03 X 1024...
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)...
45. Refer to the following equation: 4NH3(g) + 70,() → 4NO2()+6H20() How many moles of ammonia will be required to produce 10.5 mol of water a. 4.20 mol b. 10.5 mol c. 7.00 mol d. 5.25 mol e. none of these 46. Refer to the following equation: 4NH3(Ⓡ) + 702() → 4NO2(%) +6H20(g) How many molecules of NO2 are produced when 4.16 mol of ammonia is completely reacted a. 16.64 b. 5.01 X 1024 c. 2.51 1024 d. 191 e....