What is the percent of bacl2.2h2o in the sample
A sample contains BaCl2.2H2O and NaCl. After 0.678 g of sample was heated and residue weighted 0.648 g. What is the percent of BaCl2.2H2O in the sample?
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A tank having a volume of 0.100 m3 contains helium gas at 125 atm. How many balloons can the tank blow up if each filled balloon is a sphere 0.300 m in diameter at an absolute pressure of 1.10 atm?
If you take a 10.5mL portion of the stock solution and dilute it to a total volume of 0.350 L, what will be the concentration of the final solution?
0.780 g of aluminum sulfate was mixed with 0.400 g of barium chloride. A white precipitate barium sulfate was formed.
Buffer capacity = moles of H+ or OH consumed/ change in ph x volume of buffer solution. Okay how do I find the moles of H+ or OH consumed?
Discuss how the angle of the incident light affected the solar cell? How could solar cell designs and/or installations be designed to counter this affect?
An under damped harmonic oscillation has its amplitude reduced to 1/10thof its initial value after 100 oscillations. If its time period is 1.15s then calculate (i)damping constant (ii) relaxation time
Phenyl-methane-sulfonyl-fluoride (PMSF) inactivates serine proteases by binding covalently to the catalytic serine residue at the active site; this enzyme-inhibitor bond is not cleaved by the enzyme.
The figure below shows an oscilloscope screen capture of a periodic signal. The oscilloscope settings are: time scale = 20 ms/div and voltage scale = 10 mV/div. What are the frequency and the maximum voltage for the signal shown? The minimum
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