Copper (I) carbonate is combusted to copper (II) oxide and carbon dioxide gas according to the followingreaction:Cu2CO3 + 02 → Cu0 + CO21.1Write the balance equation of this reaction.Calculate the volume (in cm³) of carbon dioxide gas (1.96 g/L) formed from copper (I) carbonate1.2formula units with 6.950 x 102ª copper ions. Assume 68.5 % yield.

To 1) Write the balance equation of this reaction. 2) Calculate the volume (in cm³) of carbon…

Answered: Copper (I) carbonate is combusted to…

Introduction to Chemical Engineering Thermodynamics

8th Edition

ISBN:9781259696527

Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart

Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart

Chapter1: Introduction

Section: Chapter Questions

Problem 1.1P

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Fe2O3 is produced from a pyrite concentrate containing 65% by weight of pyrite (FeS2) by total oxidizing roasting according to the following reaction. 5 tons of pyrite concentrate is roasted daily (MA, g / mol; Fe: 56; S: 32; 0: 16; H: 1). 2FeS2 + 11 / 2O2 → Fe2O3 + 4SO2 What is the total volume of air requirement for 1 day roasting operation?
A7
Aqueous hydrochloric acid (HCI) will react with solid sodium hydroxide (NaOH) to produce aqueous sodium chloride (NaCl) and liquid water (H₂O). Suppose 20.0 g of hydrochloric acid is mixed with 29. g of sodium hydroxide. Calculate the minimum mass of hydrochloric acid that could be left over by the chemical reaction. Round your answer to 2 significant digits. O 10 X
A stream of liquid water at a rate of 8 lit/s with a stream of methanol and ethanol mixture (contains 25 mol% methanol) are fed to continues evaporator. Another stream of methanol at a molar flow rate of 1 that of the alcohol mixture stream is fed to the same unit. If the liquids are evaporated totally and the produced vapor stream contains (0.1*1) mol% of water at a pressure of 28 psi and 220 °F, calculate: 1- The flow rate and composition of all streams in a molar, mass, and volumetric basis 2- The average molecular mass of all streams The Specific gravity of methanol is 0.762 and that of ethanol is 0.789 while the density of vapors can be estimated as: p=p*Mw/R*T where R-0.082 atm.m'kmol.K.
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A certain hypothetical substance "AB", in the gaseous state, dissociating to produce species A (in the gaseous state) and species B (also in the gaseous state) according to the following equation (Consider that the system is in balance). AB(9) 2 A(g) + Bg) At 300 K and a total pressure of 1 atm, the degree of dissociation (alpha=advance/number of moles hypothetical reagent) of AB(g) is 0.2. Calculate the standard free energy variation for this reaction in Joules per mol.
Following the neutralization of a solution of dilute potassium hydroxide (KOH(aq)) with a solution of 0.50 mol/L hydrochloric acid (HCl(aq)), you note the following results : Before neutralization After neutralization KOH(aq) HCl(aq) 0.50 mol/L Mixture Volume (mL) T1(°C) Volume (mL) T1(°C) Volume (mL) Tf(°C) 100 22.0 50 22.0 150 24.5 What is the value of the molar heat (ΔH) of neutralization of hydrochloric acid?
Use the information about three gases, with the properties below to answer the following questions. Nitrogen (N2) Oxygen (02) Argon (Ar) 93.0 °C 83.0 °C 73.0 °C M (kg/kmol) 28 32 40 Use the van der Waals equation of state and mixing rules to calculate the temperature where 100 kmol of a mixture of argon (10 mol%), nitrogen (45 mol%) and oxygen (45 mol %) would occupy 46.27 m³, at a pressure of 6.28 MPa. It is known that the van der Waals constant for nitrogen are a=1.370 atm(m³/kmol)² and b=0.0387 m³/kmol, and for oxygen are a=1.382 atm(m³/kmol)² and b=0.03186 m³/kmol. 63.0 °C Tc (K) 126.2 154.6 150.8 Pc (atm) 33.5 49.8 48 @ 0.04 0.021 -0.004
A mixture of 40 mol% benzene and 60 mol% toluene is fed in liquid form into a flash vessel. The feed is 100 kmol/h, and the drum operates at a temperature of 30%, which imposes a vaporization of 100 kmol/h.The table below presents benzene-toluene equilibrium data in terms of benzene composition (most volatile). x is the composition in the liquid and y in the gas, both on a molar basis. The data equilibrium for the case of mixing at 1 atm. α indicates the relative volatility. As benzene and toluene form a liquid solution approximated by the ideal case, the relative volatility is nothing more than the ratio of the vapor system to the equilibrium temperature: Note that the relative volatility changes little with the composition, in which case, for engineering calculations in general, we can consider it to be close to the average: about 2.5. a) Use the defined relative volatility and flash vessel knowledge to determine the compositions of the liquid and gaseous products of the described…
Ethylene glycol, HOCH2CH2OH, is a common automobile antifreeze. It is water-soluble and fairly nonvolatile (boiling point = 197°C). Calculate the freezing point of a solution containing 652 g of this substance in 3676 g of water. (Cryoscopic constant of water = 1.86 °C/molal; Atomic Weight: C = 12.01 g/mol; H = 1.008 g/mol; O = 16.00 g/mol). Express your answer in two decimal places. Do not put the units.

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