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Given the unique nature of nanoscience, its broad range of applications, and possible impacts on human health and the environment, assess the state of current regulations over nanotechnology, as well as the efficacy of those regulations. Describe any changes that you think should be made to the current regulations. importance of rare earth elements in science and technology. Assess the most common uses of these elements, particularly as encountered in your daily life, as well as projections for future demand of these minerals resources.Discuss the current global availability of rare earth elements. Assess which nations are the top producers and the implications of rare earth element mining in these nations.
the fluorocarbon c2cl3f3 has a normal boiling point of 47.6 celsius. the specific heats of c2cl3f3l and c2cl3f3g are
organic reactions can be classified as substitutions eliminations or additions and the reagents can be classified as
What is the velocity of an electron that has a de Brogile wavelength of 4.22 nm?
A buffer is made with 25mL of 1.0 M HC2H3O2 and 25mL of 1.0 M NaC2H3O2. Calculate the theoretical pH. I know the pH is 4.74.
Lidocaine is thought to bind to receptors in its methylated form. identify in writting the atoms or groups in the compound that could be involved in its binding to a receptor via- hydrogen bonding (1 example)
Which state in each of the following pairs has the higher entropy per mole of substance. 1. Ice at - 40 degrees C or ice at 0 degrees C 2. N2 at STP or N2 at 0 degrees C and 10 atm 3. N2 at STP or N2 at 0 degrees C in a volume of 50 L 4.
calculate the specific heat of a substance if a 35 gram sample absorbs 28 joules as the tempature is raised from 292 kelvin to 313 kelvin.
A bottle of wine contains 13.5% ethanol by volume. The density of ethanol (C2H5OH) is 0.789 g/cm3. Calculate the concentration of ethanol in wine in terms of mass percent and molality.
Calculate K for 2 NO(g) + O2(g) 2 NO2(g) from the observation that when equilibrium is established at 500 K, there are 0.190 moles NO2, 2.65 X 10-4 moles NO, and 0.606 moles O2 in a volume of 0.759 liters.
A sample of an ionic compound that is often used as a dough conditioner is analyzed and found to contain 7.591 g of potassium, 15.514 g of bromine, and 9.319 g of oxygen. What is the empirical formula for this compound? What is its chemical name?
Using the following data collected, calculate the molar mass of the unknown acid. Include calculation for each trial and the average.? Mass unknown acid
Major Organic Product Formed of Acetyl Chloride Reacting with Reagents, What major organic product would you expect to be formed when acetyl chloride reacts with each of the following reagents?
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