Which of the following air pollutants has the longest atmospheric lifetime because of its stability? O SOx O 03 O CO O particulate matter NOX

Q: Below are the choices for every item. Answer it correctly. D. Common name of silicon carbide? E.…

A: D. The Common name of Silicon Carbide is "Carborundum".

Q: Question 4 (i) Why does a liquid crystalline fluid appear cloudy, but when heated sufficiently…

A: The question has three parts. The first part is asking why a liquid crystalline fluid appears cloudy…

Q: Hydrogen and oxygen are reacted and the water formed is collected at 25°C, where it has a density of…

A: Given that mass of hydrogen (m1)=36.8 g mass of oxygen (m2)=168 g density of water (d)=0.997 g/ml

Q: Nitrous acid, HNO2, is used in the synthesis of organic dye compounds. If the hydrogen ion…

A: Nitrous acid is a weak and monoprotic acid. Monoprotic acids are those that are capable of donating…

Q: A solution of 0.040M in sodium sulfate and 0.050M in sodium iodate. To this is added a solution…

A: Na2SO4+BaCl2→2NaCl+BaSO4 (ppt) In the reaction between Sodium sulfate and Ba2+ the immediate…

Q: 4. How many moles of potassium bromide (KBr) are produced when 5.25 moles of KI reacts with an…

A: This question is based on mole concept. Data given : Moles of KI = 5.25 moles Excess reactant  = Br2…

Q: The absorbances of solutions containing K2CrO4 in 0.05 M KOH were measured in a 1.0 -cm cell at 375…

A: The relation between concentration and absorbance is given by Beer's law. There will be absorbance,…

Q: 90 g of KCI is dissolved in 250 g of water at 35 celcius with 80% dissociation. Calculate the: • BPE…

A: Given data : Weight of KCl= 90 g Molecular weight of KCl= 74.5 g/mol Number of moles of KCl=…

Q: Feed to a vacuum crystallizer contains 82% urea, 0.5% biuret and 17.5% water by weight. In the…

A: Feed have(by weight)  Urea=82%  Biuret= 0.5%  Water=17.5% After crystallization  Water…

Q: The minimum temperature at which * hydrocarbon vapor when mixed with air can spontaneously ignite…

A: It is required to determine the minimum temperature at which hydrocarbon vapor when mixed with air…

Q: . An ideal solution of two homologous liquid alkane compounds have an overall vapor pressure of 550…

A:

Q: How many grams of Cu,S can be produced from 9.9 grams of CuCl reacting with H,S

A: Write the reaction between CuCl and H2S as follows:  CuCl + H2S → Cu2S + HCl   1 mole of CuCl reacts…

Q: 2. Why is substantial excess air used in coal combustion?

A: Given, why is substantial excess air used in coal combustion..... we need to describe this

Q: Sodium carbonate is recovered as decahydrate from 1000kg of 5% solution of sodium carbonate in…

A: The molecular weight of Na2CO3 = 106g The molecular weight of Na2CO3.10H2O = 106+180 = 196g 50kg of…

Q: Why is sulfur an undesirable impurity in a fuel?

A: Reason-In fuel sulphur is considered as undesirable impurity.

Q: Non-volatile solutes are the required solutes for the colligative property on boiling point because…

A:

Q: If moist hydrogen containing 8% water by volume is burnt completely with 34% excess air, calculate…

A: Given that moist hydrogen containing 8% water is burnt entirely with 34% excess air, the reaction is…

Q: In the reaction between 7.012g calcium carbonate and 3.106g hydrochloric acid producing calcium…

A: The excess reactant is the reactant that keeps reacting if the other had not been consumed. The…

Q: Butane is burned with 80% of theoretical air. Calculate the composition of gases leaving, assuming…

A:

Q: A gaseous mixture of methane, ethane and propane has their percent volume of 38%, 42% and 20%…

A: Given data: Volume percent of methane=38%Volume percent of ethane=42%Volume percent of propane=20%

Q: A solution is prepared at 25 degrees Celsius by mixing 20g of K2SO4 with 150 cc of water. The…

A:

Q: 1. An impure sample of compound A is contaminated with two impurities B and C. The sample is to be…

A:

Q: Steelworks activities are important sources of fine particles, which may affect air quality in urban…

A: Introduction Steelworks activities are important sources of metallic fine particles which may affect…

Q: You mixed 300kgs of Urea, 300 kgs of Ammophos, and 300 kgs of Complete. What is the resulting…

A: To find the resulting fertilizer grade after mixing 300 kgs of Urea, 300kgs Ammophos, 300 kgs…

Q: Styrene (3.0 M) is copolymerized with methacrylonitrile (1.5 M) in benzene solution by adding…

A: Note: We are authorized to answer three subparts at a time, since you have not mentioned which part…

Q: Consider the global reaction of formaldehyde (CH20) with 150% excess air. If the reaction take place…

A: Write the reaction as follows: CH2O + 2.5O2+9.4N2 → CO2+H2O + 1.5O2 +9.4N2   1 mole of CH2O reacts…

Q: Degradation of natural rubber in presence of oxygen gives products likes A. aldehyde derivatives B.…

A:

Q: 1. Use the Chapman-Enskog theory and Fuller correlation to estimate the diffusion of hydrogen in…

A:

Q: En caso de no estar conectado por doble dispositivo, mandar mensaje por êl gh 7 pts Pregunta 1…

A:

Q: 1. Try fitting these data using Langmuir Isotherm and obtain K and monolayer of ORA molecules per…

A: Langmuir adsorption predicts linear adsorption at lower densities of adsorption. This is theoretical…

Q: Convert a humidity ratio of 0.010 lbm H2O/lbm dry air into units of kg H2O/kg dry air. 0.010 0.0045…

A: Given that humidity =0.010lbm H2Olbm dry air

Q: A mixture of gases content (50% methane, 30% ethane, 20% propane) feeds a combustion chamber.…

A: Given, The gas mixture contains 3 components. They are methane, ethane and propane. The mole % of…

Q: Define anthropogenic CO2 in details? And List down the 3 main sources of anthropogenic CO2 emissions

A: Define anthropogenic CO2 in details? And List down the 3 main sources of anthropogenic CO2 emissions…

Q: Compare the solubility of lead bromide in each of the followWing aqueous solutions: Clear All 0.10 M…

A: Here we will check solutions one by one 1) 0.1 M Pb(CH3COO)2 aqueous solution   0.1  M Pb(CH3COO)2…