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Suppose you always use your credit card for purchases. Your credit card limit must then be thought of as part of your money holdings.
Assuming that the specific heat of the solution is 4.18J/g*c, and assuming that no heat is lost to the surroundings, determine the value of delta H (in kJ/ mol Sr) for the reaction.
Why would one ever want to analyze a sample using TIC mode?
Question- Calculate the percent by mass of zinc in the post-1982 pennies using following information: the total mass of each penn is 2.500 g, the density of copper is 8.96 g/mL, the density of zinc is 7.14 g/mL, and the mass of a penny if it were ..
Calculate the theoretical yield, in grams, of the precipitated solid formed (that is, the amount that could be made based on the amount of limiting reagent)
Can someone explain clearly why in the preparation of Acetanilide that aceylation requires one mole of acetic anhydride per mole of phenetidine despite the fact that acetic anhydride contains 2 acetyl groups? How is the byproduct containing the 2n..
Problem- A gaseous system undergoes a change in temperature and volume. What is the entropy change for a particle in this system if the final number of microstates is 0.662 times that of the initial number of microstates
Calculate the pH of a solution made by mixing 2.0 M HF and 2.0 M HCN. Also calculate the concentration of CN- ion at equilibrium.
The central atom in a molecule has three regions of high electron-pair density. What type of hybrid orbitals are formed by the central atom
The implanted region is assumed to be rapidly annealed so that complete electrical activation is achieved.
Suppose you carry out a kinetics experiment on this reaction with initial concentrations [A] = 10.0 M and [B] = 0.025 M, and you follow [B] vs. time. Describe the plot you would get. What is the value of the observed rate constant?
Problem- Rank the following nitrogen ions from the one with N in the highest oxidation state to the one with N in the lowest. N3- , N2H5+ , NO3- , NH4+ , NO2-
2 NO(g) +Cl2->2NOCL(g) the observed rate law is Rate= K(NO)^2(Cl2). What is the reaction order with respect to nitrohen monoxide with respect to Cl2? Wht id the overall order
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