2310 Flashcards
Oxidation changes the
Charge
What is the Oxidation Number of Cr in the Complex Ion CrF6 F-ligand?
3
3 moles of Glucose processes how many moles of Lactate?
6
What is the Smallest Unit that retains the Physical Properties?
Atom
Which of the following devices is/are Sensitive enough to Measure of Ionizing Radiation?
Geiger Counter and Scintillation Counter
Define Gas
It is a state of matter Without Definite Shape and Volume.
Choose a process/es that occur/s with Decrease in Entropy
Freezing of Water
An Ideal Gas undergoes a Constant Pressure Expansion until it reaches an initial temperature of 300 K. Then it undergoes a Constant Volume Cooling where its Pressure is reduced to ¼. Calculate the Work done.
-1.87 kJ
For an Ideal Gas mixture at Constant Temperature and Pressure, the Fugacity ____ with Increase in Mole Fraction
Increases
An Erlenmeyer Flask has an egg on its beak and is put to a Bath of Liquid Nitrogen. What happens to its Pressure?
Decreases
Which of the following shows the Relationship between Volume and Temperature at Constant Pressure for Ideal Gas?
Charles’ Law
Which Temperature Scale is defined as a Fraction of the Triple Point of Water?
Kelvin
What is the main Purpose of Joule-Thomson Effect?
Cooling
Which Process uses Air to convert Harmful Compounds in wastewater into Less Harmful and Stable products?
Aeration
The Concentration of Diazonin has been measured to be 42.8 ug/L. A study of the Tilapia Fish revealed an Average lipid concentration of 30,600 ug/kg. What is the Bioconcentration Factor for the Fish?
715
The Concentration of pesticide DDT was found to be 5 micro gram per L in in the Water of a pond. The Bioconcentration for DDT is 54000 L/kg. What is the Concentration of DDT in the Fish living in the pond?
270 mg/kg
A Chemical degrades in a flow-balanced, steady-state CMFR according to First-Order Reaction Kinetics. The Upstream concentration of the chemical is 10 mg/L and the Downstream concentration is 2 mg/L. Water is being treated at a rate of 29 m^3/min. The Volume of the tank is 580 m^3. What is the rate of decay?
0.4 mg/L-min
Rank the Toxicities in terms of the First Three Most Toxic for the following toxic compounds: DDT, Dieldrin, Arsenic, Heptachlor, and Chromium.
Dieldrin > Heptachlor > Arsenic
In which Layer of the Atmosphere is Ozone found?
Stratosphere
In the Study of Fats and Lipids, determine which of the Two Glycerides has a Higher melting point? Substance A containing lauric acid and glycerol, or Substance B - containing only stearic acid and glycerol?
B
Which amino acid is the Disruptor or Breaker of Secondary Structures?
Proline
Diabetic patients are found to have an Increased Ketone Concentration in their bodies. What causes this?
Acetoacetic acid decarboxylates into acetone and CO2, which causes the sweet smell on their breath
What is the Product when alpha-amylase acts on amylase?
Oligosaccharides
What is the Product of the Oxidation of dopamine?
R-Epinephrine
Adenosine triphosphate, when acted with adenylate cyclase, produces
Cyclic adenosine monophosphate and pyrophosphate
What is the Role of Ca ions as signaling agent in the synapse?
Sparks or puffs
Monosaccharides are colorless, crystalline solids, and are very soluble in water. Why?
True, because of their polar hydroxyl groups
Which of the following are true?
a.) Nuclear fusion produces radioactive product
b.) Nuclear fusion requires very high temperature to an order of 106C
c.) Nuclear fusion involves reaction
d.) Nuclear fusion releases more energy than fission
A., B., and D. only
Tell whether the following is True or False
a.) Alpha decay emits 2 protons and 2 neutrons
b.) Beta is more penetrating than alpha
c.) Negative beta decay loses a neutron
d.) Positive beta decay loses a proton
T, T, T, T
You are working in a site with Strong Beta particles. What material would you recommend for protection?
Aluminum
How does alpha, beta, and gamma particle affect the mass number of an atom?
4, 0, 0
If aspirin is made using the raw materials Salicylic Acid and Acetic Anhydride with a yield of 75%, how many grams of Aspirin will be produced?
25
Substances whose solutions change Color due to changes in pH.
Indicator
Buckyball showed a spectrum Peak of 720 amu. What is its Molecular Formula?
C60
What is the buckyball?
A fullerene
Define ozonolysis
It is the reaction with ozone followed by reduction in the Presence of Zinc and water.
What is the product when an alkyl halide is reacted with hydroxy group?
Alcohol
Which of the following is a pair of heterocyclic compounds?
Furan and Pyran
What is the product when ethanol is reacted with Potassium Dichromate?
Acetic Acid
