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Carboxylic Acids. List 3 carboxylic acids; describe in reasonable detail its structure, its source, its uses, toxicity and other significant characteristics.
Or
Plastics. List 3 plastics; state the starting chemicals, describe in reasonable detail the polymers, their chemical and/or trade names, its properties, uses and recycling options.
The constant of a reaction is 3.5 x 10^-3 S^-1 at 25 degrees Celsius, and the activation energy is 33.6 Kj/mol. What is k at 75 degrees Celsius
What is the density of a block which mass is 50.0 g and is only submerged 40% in bromoform which has a density of 2.890 g/cm^3
The intermolecular distance of CO is 113.1 pm. the molecular mass of 12C is exactly 12 g/mol. Explain the molecular mass of 16O is 15.995 g/mole. Find out the value of the rotational energy of 12C16O molecule described by J=0 and by J=1.
1 calorie = heat required to raise temp. Of 1.00 g of H2O by 1.0 oC. Which has the larger heat capacity? How much energy is transferred due to T difference?
1.) On a cold, dry morning after a frost, the temperature was - 5 oC and the partial pressure of water in the atmosphere fell to 2.0 Torr. Will the frost sublime? What partial pressure of water would ensure that the frost remained?
Magnesium metal (Mg(s)) burns brightly in oxygen gas (o2(g)) to produce a whitish-grey powder, magnesium oxide (MgO(s)). Write a balanced chemical equation for this reaction. 2. Magnesium metal (Mg(s)) will also react with copper ion in solution (Cu+..
(A) What mass of Potassium hydrogen carbonate is needed? (B) What volume of 0.32 M HCl is needed to react completely with the amount of potassium hydrogen carbonate from 2(a)
using this equation N2(g)+3H2(g)-->2NH3(g) if 10500 L H2 gas is reacted with an excess of N2 gas at 200 atm and 500 degrees how many moles of ammonia gas would be produced, assuming a 15% yield
calculate the poh and the ph when 45.0ml of 3.00 moll potassium hydroxide solution is diluted by adding 100.0 ml of
When maleic acid is heated to about 100C it forms maleic anhydride.however fumaric acid requires a much higher temperature
How do bacteria eat? How is their eating style similar to what we see in mammals? How is mammalian digestion more efficient than the type of digestion seen in bacteria?
An electron makes a transition from n = 8 to n = 3. What is the energy associated with this transition
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