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1. What is the Pauli exclusion principle
2. Specificity and selectivity are important concepts to understand in terms of chemical binding. Define specificity and selectivity? How do they differ? For a drug which is preferred, specificity or selectivity and why?
3. Are precipitation reactions used in diagnostics? Explain and give an example
4. Diffusion refers to the ability of molecules to move from a higher to lower concentration. Would you predict molecules to diffuse faster or slower than larger sized one? Explain.
how do you write two half balanced equations for the following acidic solution MnO4^-(a)+Fe(s)--->Mn^2+(aq) +Fe^2+(aq)
An industrial chemist studying bleaching and sterilizing prepares a hypochlorite buffer using 0.150 M HClO and 0.150 M NaClO. (Ka for HClO = 2.9x10^-8.)
Hydrochloric acid (HCl) reacts with sodium carbonate (Na2CO3), forming sodium chloride (NaCl), water (H2O), and carbon dioxide (CO2). This equation is balanced as written: 2HCl(aq)+Na2Co3(aq) --- 2NaCl(aq)+H2O(I)+CO2(g)
how many mols of H 2 can produce
Calculate the volumetric size of a water molecule in vapor, assuming 1 mole of the vapor occupies 22.4 L, as if the vapor were an ideal gas. Give answer in angstroms, two significant digits.
what is the molecular formula of the compounds created by fecl3
what is the molality of ethanol in a solution made by dissolving 14.6g of ethanol, C2H5OH, in 53.6 g of water?
Calculate the work in Joules when 2.5 mols of water vaporizes at 1 atmosphere pressure and 25 degrees C. The work is done in pushing back the atmosphere.
The dry ice is allowed to sublime and the mixture is allowed to return to 25.0 degrees Celsius. what is the total pressure in the flask?
Carbon-14 has a half-life of 5730 years. How long will it take for a sample to decay to only 17% of its original amount
calculate the temperature change in the water upon complete melting of the ice. hint determine how much heat is
Discuss what you would observe after elution and visualization of a TLC plate having made the following mistakes in carrying out the analysis. Conceptual Organic chemistry
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