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Problem- 1) Discuss the chemical structural characteristics of polyethylene and styrene-butadiene rubber?
2) Describe two types of methods that can be used to mold plastic products.
3) Thorium with a mass number of 224 and an atomic number of 90, decays by emission of an alpha particle. Identify the product of the nuclear reaction by providing its atomic symbol, mass number and atomic number.
I need proficient help to working out this problem
The salts of calcium sulfate, magnesium carbonate, lead (II) bromide, calcium chloride and silver nitrate are all added to a beaker. Pure water is added and the mixture is stirred well as well as allowed to settle. Four solids are now present in ..
propane, C3H8, is common fuel used for cooking and home heating. What mass of O2 is consumed in the combustion of 1.00g of propane. I am having a hard time getting the balanced equation for this to solve the rest
hydrogen atoms have an absorption line at 1.026x10-7m.what is the frequency of the photons absorbed and what is
Tungsten metal, which is used in light bulb filaments, has the highest melting point of any metal (3410 degrees Celsius). Explain what is the melting point in degrees ferinhight
Write the equations that represent the first and second ionization steps for selenic acid (H2SEO4) in water.
Write the cell reaction for the combination of these half-cell reactions that leads to the largest positive cell emf
Explain how much energy is needed to raise the temperature of 50.00mL of water from 25.52C to 28.75C. The density of water at this temperature is 0.997 g/mL
Write electron configurations for the following ions, and determine which have noble-gas configurations. Explain your answer. (a) Cr^3+ (b) N ^3- (c) Sc^3+ (d)Cu^2+ (e)TI^+ (f)Au^+
An automobile tire is inflated with air originally at 10.0 celsius and normal atmospheric pressure. During the process, the air is compressed to 30.5% of its original volume and the temperature is increased to 45.5 celsius. (a) What is the tire pr..
The t1/2 of a second order reaction is 26.0 hours when the initial concentration of the reactant is 0.256M. How many minutes would it take for the concentration of the reactant to drop from 0.256M to 0.064M
What is the most important extra step that has to be included in the first approach technique for assigning electrons in a heteronuclear diatomic molecule?
attractive interaction among the molecules of a gas are more important than repulsive interactions, it's fugacity coefficient is less than
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