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A graduated cylinder contains 133 of water. A 10.0 piece of iron (density = 7.86 ) and a 16.0 piece of lead are added. What is the new water level in the cylinder?
Use the Henderson-Hasselbalch equation to calculate the pH of each solution: a solution that is 0.140 in propanoic acid and 0.125 in potassium propanoate.
Draw the structures of the E and Z stereoisomers of 1,4-diphenyl-2-butene-1,4-dione and label which is the cis and which is the trans
The solubility of oxygen gas in water at 25 °C and 1.0 atm pressure of oxygen is 0.041 g/L The solubility of oxygen in water at 3.0 atm and 25 °C is __________ g/L.
Iodine-131 is one of the most important isotopes used in the diagnosis of thyroid cancer. One atom has a mass of 130.906114 amu. Calculate the binding energy
Calculate the molarity of a solution prepared by diluting 32.74 mL of 0.615 M ammonium sulfate to 490.0 mL.
Determine KM for glucose oxidase. KM = M. B. Determine effect on the maximal rate if the concentration of adenine is 0.001 M. Vmax,I = mmol/min.
How many grams of aluminum hydroxide are obtained from 18.2g of aluminum sulfide?
If the chemist mistakenly makes 275 mL of solution instead of the 200 mL, what molar concentration of sodium nitrate will the chemist have actually prepared?
The ketone used was cyclopentanone and the aldehyde used was benzaldehyde. First cyclopentanone was dissolved in 95% ethanol. Then benzaldehyde was added along with NaOH to the mixure. The solution was then mixed creating the aldol condensation pr..
A certain atom has a threefold degenerate ground level, a non-degenerate electronically excited level at 3500 cm1, and a threefold degenerate level at 4700 cm?1. Calculate the partition function of these electronic states at 1900 K
How many milliliters of a 235 mL solution of 1.5 M AlCl3 must be used to make 61 mL of a solution that has a concentration of 0.5 M Al3+?
calculate the molar solubility of silver iodide in 3.0 M NH3. overall formation constant for Ag(NH3)2" is 1.7 x 10^7
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