ChE 228
HW #2
Due: 14 September 2015
4:30 PM to Blackboard
#1
Include a screen shot of MatLab working on YOUR computer.
#2
Use the general mass balance for a draining tank of water (qf = 0):
Find an equation for height as a function of time (h(t) = ?) whe
Biola Daniel
Assignment 1- Propylene
Propylene, also known as propene is a main constituent for many chemicals. Propylene is a
chemical that is always ready for substitution in a reaction which is why it serves as one of the
main ingredients to produce so
Problem Set # 6
Due Thursday, 3/12/2009
4-SPECIAL
Derive the coefficients a and b for van Der Waals equation in terms of critical properties for pressure,
temperature and volume.
Source: http:/home.comcast.net/~igpl/Temperature.html
A Brief History of Temperature
Measurement
In 1701, Ole Christensen Rmer (1644-1710) created one of the first
practical thermometers. Rmer's thermometer used red wine as the temperature
indicator. Rmer
ChE 310 Introduction to Materials Science
04/01/2017
2nd Exam Fact Sheet
Dislocations
- be able to name and give examples for the four types of dislocations
- be able to show orientation of the Burgers vector with respect to screw & edge
dislocations
Diff
Carbon Nanotubes: The Giant Revolution of the Small World
Lionel K. Loba
Department of Chemical Engineering, The City College of New York,
City University of New York, 140th ST. and Convent Ave., New York, NY 10031
Abstract
Carbon nanotubes (CNTs) are sea
Lionel K. Loba
Date: Wednesday, February 8, 2017
CHE 49808
HOMEWORK I
Our visit of The CUNY Advanced Science Research Center (ASRC) facility at City
College was very informative and also interactive learning experience. We learned that the center
was conc
Lionel K. Loba
Date: Tuesday, February 7, 2017
CHE 310
HOMEWORK I
Brass is a metal alloy made of copper and zinc for the most part. The amount of cooper and/or
zinc in the brass composition can be varied, which allows to create a wide range of brass alloy
Group F: Rubin Lehman, Lionel Loba, Jovani Sanchez
Project 4
CoDR to PDR
The wastewater sludge from municipal treatment is usually a composite of biomass fuel
and organic waste. Knowledge of yields and composition of volatiles element is truly relevant fo
LaGuardia Community College
The City University of New York
MAT 204 Elementary Differential Equations
Data quatione quocunque fluentes quantitates involvente, fluxiones invenire; et vice
versa.
Sir Isaac Newton
Textbook:
C. Henry Edwards and David E. Penn
5144 A balloon initially contains I55 m3 of helium gas at
atmospheric conditions of 100 kPa and 22C. The balloon is
connected by a valve to a large reservoir that supplies helium
gas at 150 kPa and 25C. Now the valve is opened, and helium
is allowed to en
Taehyuk.Kim CHE 22900 M Homework #1 Due:02/11
Verify at 30 C that the Antonie equation relating saturation temperature and
saturation pressure (Appendix E.3 in textbook) give the same result as the steam
tables (Appendix E.9 properties of water).
Five gra
MAE 3310
FIRST LAW OF THERMODYNAMIGS
8:
PROPERTIES OF PURE SUBSTANCES THE FIRST LAW OF THERMODYNAMICS
Principle of Energy Conservation
The energy accumulation or depletion in a control mass or control volume is given by
Total Energy Entering Total Energy
342 IOU-kg of R-134a at 200 kPa are contained in a
piston-cylinder device whose volume is 12.322 m3. The pis-
ton is novlr moved until the volume is one-half its original
size. This is done such that the pressure of the R-134a does
not change. Determine t
MAE 3310-001 Thermodynamics I
Problem Set # 7
Due on 3/24/2009 before 2 PM
1.
A cylindrical vessel of diameter 25cm and 1m height contains 2.5 kg of saturated mixture of
vapor and liquid water at 40 oC.
a. What is the initial level of liquid water inside
A somewhat simplified flow diagram for the nuclear power plant is provided in the figure
above. The mass flow rates and state of the water at various points in the cycle are shown
in the table.
This cycle involves a number of heaters, in which heat is tra
MAE3310-001
Spring 2009
April 28, 2009 Name:
ID:
a. Refer book for tables.
b. Duration of test is 75 minutes.
0. Show all steps and equations in your calculations for partial credits.
d. Use data provided in the problems where given.
1. It i
C:
MAE3310-001
Spring 2009 .7:
Feb 19, 2009 Name: @LU i 9 N
Closed book examination. No reference materials allowed.
Duration of test is 60 minutes.
Show all steps and equations in your calculations for partial credits.
Use data provided in the problems.