Mg(s) + 2H,0(1) Mg(OH),(s) + H,(g) + 349 kJ -> Calculate how many mL of water at room temperature are required to react all of the magnesium. The density of water at 25° C is 1.00g/mL. Show work here

cellus_engine.html?ClassID=2134898241# Calculate the enthalpy of the net reaction from the reactions given. 1) H2(g) + Cl2(g) → 2HCI(g) AH, = -184.6 kJ 2) N2(g) + 4H2(g) + Cl2(g) → 2NH,CI(s) AH2 = -630.8 kJ 3) N2(g) + 3H2(g) → 2NH3(g) AH3 = -296.4 kJ Net Reaction NH,CI(s) - NH3(g) + HCI(g) AHxn = [ ? ] kJ Enter either a + or - sign AND the magnitude. Use significant figures Enter

The following table is the data a student recorded after completing the Hess' Law Lab (VCL 3-12). 200.0 ml of water was added the measured amount of solid NaOH in a calorimeter. Parameter Reaction 1 Mass NaOH (g) 4.575 25.00 Initial temperature (°C) 30.05 Final temperature (°C) Using all the steps and procedues of this lab, calculate the energy released (kJ/mol) of NaOH in Reaction 1.

The answer is D

ab The enthalpy of solution (AH) of NaNO3 is 20.4 kJ/mol. If 8.50 g NaNO3 is dissolved in enough water to make a 100.0 mL solution, what is the change in temperature (°C) of the solution? (The specific heat capacity of the solution is 4.184 J/g °C and the density of the solution is 1.02 g/mL). Tap here or pull up for additional resources 1 Q @ 2 W # 3 E $ 4 R % 5 T Question 1 of 10 6 Y & 7 U 8 1 9 1 4 7 +/- 0

A chemist measures the enthalpy change AH during the following reaction: 2 HNO3(1) + Mg(s)→→ Mg(NO3)₂(s) + H₂(9) ΔΗ = - 443. kJ Use this information to complete the table below. Round each of your answers to the nearest kJ. reaction Mg(NO3)₂ (s) + H₂ (g) → 2HNO3 (1) + Mg(s) 3Mg(NO3)₂ (s) + 3H₂(g) + 3H₂(g) → 6HNO3 (1) + 3Mg(s) HNO₂(1) + — Mg(s) → — Mg(NO₂)₂ (s) + —⁄H₂(g) AH kJ x10 X Ś

Calculate ASº for the combustion of propane. C3H8(g) + 502(g) → 3CO2(g) + 4H20(g) Substance C3H8(g) O2{g) CO2(g) H2O(g) S° / (J/K•mol) 269.9 205.138 213.74 188.825 -72.5 J/K 100.9 J/K O72.5 J/K O -100.9 J/K O 877 J/K

Calculate AHrxn for the reaction below. 2 NOCI(g) → N2(g) + 02(g) + Cl2(9) You are given the following set of reactions. 1/2 N2(g) + 1/2 02(g) → NO(g) AH = 90.30 k) NO(g) + 1/2 Cl2(g) → NOCI(g) AH = -38.6 kJ 4.0 kJ

cellus_engine.html?ClassID=527350766# 1.00 g of sucrose, C12H22O11, reacts with excess oxygen in a bomb calorimeter with a heat capacity of 12.5 kJ/°C. The initial temperature is 22.0 °C and the final temperature is 23.3 °C. What is the enthalpy of the reaction? AH: [?] kJ/mol Enter either a + or - sign AND the magnitude. Do not round until the end. Use significant figures. AH, rxn (kJ/mol) Enter

Q Search RM Close Activity Chat Teams Assignments Calendar Calls 16 What amount of energy is released (in the form of heat) when 60.0g of 1-pentanol reacts with oxygen? (Molar mass of 1-pentanol = 88.2g/mole) * Files 2CH3(CH2)4OH + 15022) 10CO2) + 12H2O(g) A Hº = -3330KJ +2, 265KJ -2, 265KJ +1, 133 KJ О -1, 133 кЈ 00 Apps 17 (? Help >> 1:33 РМ W Desktop 12/13/2021