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Different samples of water from different locations can naturally taste different. Why do you think is so?
Calculate the ion activity product (IAP) and saturation index (SI) of this water with respect to the minerals rhodochrosite (MnCO3), calcite (CaCO3), and gypsum (hydrous CaSO4). Use the following equation
Determine a dimension characteristic of a single aluminum atom. Compare your estimate value to the tabulated atomic radius for aluminum.
Why is it an important concept that atoms generally appear in whole number molar ratios to each other in chemical compounds, and in general, would you expect that students would find this ratio to be lower or higher than the actual ratio
If M is the molar mass, R the gas constant, T the temperature, and P its pressure, which of the following expressions represents the density of a gas
Explain what atomic species is being reduced. Gold miners then reacts the basic aqueous product solution with Zn dust to recover the gold metal. State a balanced redox reaction for the recovery process with zinc.
How do you do the problem- The pKa for lactic acid, CH3CH(OH)COOH, is 3.86. At physiological pH (7.40), which is the predominant form
A mixture of 0.160 moles of C is reacted with 0.117 moles of O2 in a sealed 10.0L vessel at 500.K, producing a mixture of CO and CO2. The total pressure is 0.640 atm. What is the partial pressure of CO? 3C + 2O2---> 2CO +CO2
Suppose a 5.00mL sample of vinegar required 27.58mL of 0.123 M sodium hydroxide to reach the endpoint. What is the molarity of acetic acid in the vinegar?
Assume three significant figures and an average wavelength of 504 nm for solar radiation. A green leaf has a surface area of 2.00 cm^2
Determine the configuration (in the form t2g x egy or ext2y, as appropriate), the number of unpaired electrons, and the ligand-field stabilization energy in terms
What ions and/or molecules are present in relatively large proportions in a solution of a strong acid HI (aq)?
methanol ch3oh is used as a fuel in race cars.a write a balanced equation for the combustion of liquid methanol in
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