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What are the atomic number, mass number and name of the element produced when one of the polonium atoms emits an alpha particle?
Commercial automobile air bags use a spark to initiate the decomposition of solid sodium azide. NaN3 to nitrogen gas.
Make a table to show the initial numbers of reactant and product atoms:
Genetic Mutation and Blood Disorders.Define a genetic mutation and state the types of genetic mutations
What is the chemical make-up of natural cleaners? How do these products compare to traditional cleaners?
What is the molecular geometry of dihydrogen monoxide? a) linear b) trigonal planar c) bent d) tetrahedral e) no right answer
Add 0.5g of sodium bicarbonate, NaHCO3 into a flask. Record the initial pressure and temperature in the flask. Add 10 mL of water to the flask.
What is the weight percentage of C in C6H12O6? Report your answer to 3 significant figures.
We can estimate the ?Ho for this reaction as +24.0 kJ.mol-1, which is twice the energy of a typical hydrogen bond.
Calculate the volume of 19.1 M NaOH (50% weight) solution required to prepare 500 mol of 0.1 m NaOH. (Density of 50% NaOH solution is 1.5 g/mL.)
List of terms that needs to be defined in a Physical Chemistry course. With each definition I need an example for each term, as a description to it or so
What monomer when addition polymerized will produce the following polymer?
Why are gases compressible, whereas liquids and solids are not?Victims of carbon monoxide poisoning are placed in a hyperbaric chamber
Write down the structure of a protein with four building blocks. Explain the difference between polymers and monomers.
PET is the most valuable plastic at the present time. Suggest a way to separate it from the others at a plastic recycling center.
Discuss second order non-linear optical (NLO) behaviour in polymers?
Calculate the pH at the equivalence point in a titration between 10.00 mL of acetic acid(0.100 mol/L) and sodium hydroxide (0.100 mol/L).
Explain using chemical structures why polyethylene synthesized by free radical polymerization is not a high-performance material.
Why a polymer such as polybutadiene can be cross-linked, however a polymer such as polyethylene cannot be cross-linked.
How do you find correct significant figures when performing calculations?
Protection from Radiation.The best means of personal protection from radiation for emergency responders
Define a genetic mutation and state the types of genetic mutations. Discuss the effects of genetic mutations.
Discuss how precise and accurate measurement can be achieved in spite of the inherent measurement uncertainty. You could use the option given below.
Carbon monoxide concentration in a car's exhaust is approximately 8% by volume when the car is idling (per the textbook). What is 8% in ppmv (by volume)?
A reaction vessel contained 5 liters of a mixture of N2 and O2 gases at 25oC and 2 atm pressure.