In a furnace, 76 lbs propane C3H8 are burned with 17.2% excess air for complete combustion. What is the percent CO2 in combustion products? Round your answer to the one decimal place.

Cyclohexanol is a highly desired chemical precursor for the production of nylon (billions of
kilograms of cyclohexanol are produced annually!). Industrially, cyclohexanol can be formed by
the oxidation of cyclohexane over cobalt catalysts.
You have a vapor mixture of 50 mol.% cyclohexane and 50 mol.% cyclohexanol. You want to
cool and condense your vapor mixture to form a vapor product and a liquid product.
a. This problem contains a vapor-liquid system. Using the Gibbs phase rule, determine the
number of degrees of freedom in a vapor-liquid equilibrium.
b. Your vapor mixture fills a drum that is 300 L in volume. At atmospheric pressure and at
200°C, how many moles of vapor do you have?
c. You decide to feed your vapor mixture to the condenser at 5 mol/s. You measure your
vapor product and see that it comes out at 760 mmHg and 75 mol.% cyclohexane. Using
Raoult’s law and Antoine’s Equation, determine your outlet temperature.
d. Using the information given in the problem statement and Part C, determine the
composition of your liquid phase and the molar flow rates of both your liquid and vapor
products.

In a closed system with a mobile border, a wet vapor with X = 1 is contained. The system undergoes heating keeping the plunger at rest, however the pressure and temperature change to 2MPa and 800 ° c, respectively. Subsequently, the heating process continues at constant pressure until the system reaches a temperature of 1300 ° c, generating an expansion process.
a) estimate the initial pressure of the system
b) calculate the work done by the steam
c) calculate the total heat transferred to the water vapor
d) represent the process on a T-v diagram

Steam at 275ºC and 15.0 bar is contained in a rigid tank with the volume of 10.0 m3 . In a constantvolume cooling process, the pressure inside the tank drops to 1.8 bar and some of the steam condenses. Calculate 1) the temperature of the tank contents after the process, 2) the amount of steam condensed during the process (in kg), and 3) the amount of heat removed from the tank during the process.

An electron microscope focuses electrons through magnetic lenses to observe objects at higher magnification than is possible with a light microscope. For any microscope, the smallest object that can be observed is one-half the wavelength of the radiation used. Thus, for example, the smallest object that can be observed with light of 400.0 nm is 2.00 ×10⁻⁷ m.

(a) What is the smallest object observable with an electron microscope using electrons moving at

8.70 ×10⁴ m/s?

(b) At 1.40 × 10⁷ m/s?

discussion The difference baffles and no baffles in-tank mixer

Why not use baffles to have vortex?

Why use baffles not to have the vortex? And the size of baffles have What is the effect

CO2(g) + C(s) = 2 CO(g) a) Using the Bouduard reaction, calculate gas composition in a furnace under 1 atm total pressure and 1100 K. b) Under the same furnace conditions, is it possible to reduce VO to V by CO? ( VO + CO = V + CO2 ) C(s) + O2(g) = CO2(g) o GT = - 394100 – 0.84 T J/mol C(s) + ½ O2(g) = CO(g) o GT = - 111700 – 87.65 T J/mol V(s) + ½ O2(g) = VO (s) o GT = - 424700 + 80.04 T J/mol

An elementary reaction A+B  C+D is to be carried out in a non-ideal CSTR which has both bypassing and a stagnant region in this reactor. The measured reactor volume is 1.0 m3 and the flow rate to the reactor is 0.1 m3/min. The reaction rate constant is 0.28 m3/kmol.min. The feed is equimolar in A and B with an entering concentration of A equal to 2.0 kmol/m3 k. Calculate the conversion that can be expected in this reactor if the model parameters of α and β were determined from a tracer test and were found to be 0.8 and 0.3 respectively.

Fallacies of Weak Induction - Practice

Now that you have had an opportunity to consider all of the fallacies of weak induction, you should be able to distinguish each type of fallacy of weak induction from the others.

Consider the following argumentative passages, and indicate what type of fallacy best describes each passage. If the passage is not fallacious, choose "no fallacy."

Passage A

Seventeen local residents have been diagnosed with salmonella poisoning, and the only thing they have in common is that they recently purchased tomatoes from a vendor at the local farmer's market. It is likely that the vendor's tomatoes were the source of the salmonella bacteria.

Which of the following best describes the type of fallacy committed in Passage A?

Hasty generalization

No fallacy

False cause

Slippery slope

Weak analogy

Passage B

Every time I am awakened by the alarm at the fire station down the street, I learn that a fire has broken out nearby. If we want to reduce the risk of fire in our neighborhood, we should prohibit the fire station from sounding its alarm.

Which of the following best describes the type of fallacy committed in Passage B?

No fallacy

False cause

Hasty generalization

Slippery slope

Appeal to unqualified authority

Passage C

Until someone can prove beyond a doubt that I was not abducted by aliens while I slept last night, we must assume that I was, in fact, abducted by aliens.

Which of the following best describes the type of fallacy committed in Passage C?

Appeal to ignorance

No fallacy

False cause

Hasty generalization

Appeal to unqualified authority

Passage D

I saw someone under the legal age purchasing cigarettes at that convenience store on Elm Street. The proprietor of that store must be running a racket to supply cigarettes to underage smokers.

Which of the following best describes the type of fallacy committed in Passage D?

No fallacy

False cause

Appeal to unqualified authority

Appeal to ignorance

Hasty generalization

A mixture of He and N2 gas is contained in a pipe at 298 K and 1 atm total pressure which is constant throughout. At one end of the pipe at point 1 the partial pressure of He is 0.6 atm and at the other end, 0.2 m away, the partial pressure is = 0.2 atm. 1. Calculate the flux of He at steady state if DAB of the He-N2 system is 0.684 x 10-4 m2 /s. R = 8.314 m3Pa/mol K. 2. Recalculate the flux of A assuming only molecular diffusion applies, i.e. ignore the bulk motion term.

Q. 2. Write a detailed report on any two chemical Hazards happened in uae

Energy can never be unlimited source. Types are energies sources are renewable and non-renewable. The best sustainable solution is to use a more responsible, socio-economic and environment friendly mix of renewable and non-renewable sources of energies.

Renewable sources of energy: Solar, Water, Wind, Wood and Geothermal

Non-renewable sources of energy: Coal, Oil, Natural Gas and Nuclear

Question: Describe how the energy could be sustained economically, socially and environmentally in a project or region. You can choose any one of energy source /case study which can fulfil requirement of sustainability to write your answer. (minimum of 200 words).