N2 (g)+ 3 H2 (g)-> 2 NH3 (g)
From the balanced reaction, 1 mol of N2 reacts with 3 mol of H2.
So, 0.95 mol of N2 reacts with 0.95 × 3 mol of H2 = 2.85 mol of H2
After rounding to two significant figures, number of moles = 2.9 mol H2
Vc4ud TUUUT A Review Consta Part A How many moles of H, are needed to react...
CHM 100-002 Intro Chem - Thurs. Afternoon Lab Hi, step 7 Chemical Quantities m 7.22 the mass in grams for each of the Part A 5.27 mol of AI Express your answer using three significant figures DVD AED O ? Submit Submit Part B DE AES o Review Consta uch of the - Part 3.67 mol of MB, Express your answer using three significant figures. ALA OB? Submit Request Answer Part 0.170 mol of CH.0 Express your answer using three...
Part A How many sulfur atoms are there in 5.30 mol of sulfur? Express your answer using three significant figures. νο ΑΣφ 5 ? N= atoms Reguest Answer Submit Provide Feedback P Pearson yright O 2019 Pearson Education Inc. All rights reserved. I Terms of Use I Privacy Policy I Permissions 1 Contact L next hp
Part A How many moles of sulfur are present in 3.5 moles of Al2(SO4)3? Express the number of moles to two significant figures. V AX“ o ? 0.5 moles Part B How many moles of aluminum ions are present in 0.36 moles of Al(SO4)3? Express the number of moles to two significant figures. VO AEM O O ? TAI = 0.6 mol Submit Previous Answers Request Answer Part How many moles of sulfate ions (S0,2 - ) are present in...
Review Part A What mass in grams of nitric acid is required to react with 712 g CHE? Express your answer with the appropriate units. mass of nitric acid = Value Units Submit Request Answer Part B What mass in grams of TNT can be made from 777 g C H? P Pearson tion Inc. All rights reserved. Terms of Use | Privacy Policy | Permissions
A Review | Consta Part A What is the pressure in a 21.0-L cylinder filled with 37.5 g of oxygen gas at a temperature of 323 K ? Express your answer to three significant figures with the appropriate units. CHÅ MO? Value Units Submit Request Answer Provide Feedback
® 7 of 13 Review Constants 1 Periodic Table Calculate the kilocalories needed to melt a 425 g ice sculpture at 0 °C and to warm the liquid to 30.0°C. Express your answer to two significant figures and include the appropriate units. T HẢ 5 c + a ? Value Units Submit Request Answer Part Calculate the kilojoules released when 85.0 g of steam condenses at 100 °C, the liquid cools to 0°C, and then the liquid freezes. (Recall that,...
Part C How many grams of H, are needed to produce 13.93 g of NH3? Express your answer numerically in grams. View Available Hint(s) IVO AQ * O 2 ? g H2 Submit Previous Answers X Incorrect; Try Again; 4 attempts remaining Part D How many molecules (not moles) of NH3 are produced from 7.02x10-4 g of H2? Express your answer numerically as the number of molecules. ► View Available Hint(s) VO AQ R o 2 ? |
review consta Part What is the enthalpy for the following reaction? overall: N204+2NO2 Express your answer numerically in kilojoules per mole. View Available Hint(s) Hint 1. Hess's law O AL ROO? AH = kJ/mol Submit Previous Answers Request Answer
Part C Taking into account the vapor pressure of water, how many moles of hydrogen gas, n, are present in 311 mL at 752 torr and 29 °C?The value of the gas constant Ris 0.08206 L-atm/(mol-K). You may also find the conversion factors 1 atm = 760 torr and Tk = Te + 273 useful. Express the number of moles to three significant figures. View Available Hint(s) 190 AED ? mol Submit
Review Icons Calculate (OH) for each of the following solutions: You may want to reference (Pages 672-674) Section 16.3 while completing this problem. H+] = 6.0x10-8 M. Express the molarity to two significant digits. 0 AED ROO? [OH"] Submit Request Answer Part B H] = 1.7x10-ⓇM. Express the molarity to two significant digits. 90 AED O ? Pearson <Homework 5 on Chapter 16 Problem 16.30 - Enhanced - with Feedback Review I Constants Calculate (OH" for each of the following...