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Problem- What is the specific activity (in Bq/g) if 4.51 kg of an isotope emits 3.77x10^-7 B- particles per minute? Enter your answer in scientific notation.
Provide complete steps to solve the above question any help is appreciated
The acid dissociation for a weak acid Hx at 25c is 1.6x10^-8. Calculate the free energy information for x-(aq) at 25c. The standard free energy of Ax(aq)
Question- A galvanic cell is prepared with a Cu electrode in a test tube containing 1.34 M Cu(NO3)2 and a Cu electrode in a test tube containing 0.0102 M Cu(NO3)2. Calculate the predicted E for the cell
a sample of gas occupies a volume of 400 ml at 0.740 atm and 70 oc. calculate the pressure of the gas if its volume is
The reaction between ethyl iodide and hydroxide ion in ethanol (c2h5oh) solution, c2h5oh + oh --> c2h5oh + I, has an activation energy of 86.8 kj/mol and a frequency factor of 2.1 x 10^ 11
The following equilibrium concentrations were measured at 800 K:[SO2]=3.0*10^-3M; [O2]=3.5*10^-3M; [SO3]=5.0*10^-2M. Calculate the equilibrium constant at 800K for each of the following reactions.
If 26.0 g of ammonia gas has a temperature of -6.70 C and a pressure of 535mmHg , what is its volume
Silver chloride, AgCl, is a sparingly soluble solid. Answer the following questions about a saturated solution prepared by placing solid silver chloride in a 3.49 10-5 M NaCl(aq) solution
Calculate E when 900.0 g of CH3OH(g) completely reacts at a constant temperature of 300 K and constant pressure of 0.95 atm. R = 8.314 J/mol*K and R = 0.08206 atm*L/mol*K
The lattice energies of FeCl3, FeCl2, and Fe2O3 are (in no particular order) -2631 kJ/mol, -5339 kJ/mol, and -14,774 kJ/mol. Match the appropriate formula to each lattice energy.
If 0.0598 moles of potassium hydroxide are added to 250 ml of this buffer, what is the pH of the resulting solution? (Assume that the volume change does not change upon adding potassium hydroxide)
The choice of precipitating reagent is important. Briefly explain what the consequences would be if excess 6M NaOH solution instead of 6M NH3 solution were used to separate Fe3+ and Al3+ ions from Ca2+, Cu2+, and K+ ions at pH 9-10.
lead to two products. Draw the major product that is observed in practice, as well as the preceding intermediate.
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