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According to the following chemical reaction, what happens when excess sulfuric acid is added? 2CrO42- (aq, yekllow) + 2H3O (aq) <----> Cr2O72- (aq, orange0 + 3H2O (l)
What type of crystal (atomic, molecular, ionic, metallic, or network covalent) are crystals of each of the following:
One method used to store energy during times of low demand is by pumping water uphill into a reservoir. When energy demand exceeds the output produced by power plants
What is the volumetric flow rate of gases out the stack (m3/min)? Note - in these units, R has a value of 0.08206 atm-m3/kmol-K.
A 12-oz (355-mL) Pepsi contains 38.9 mg caffeine (molar mass ?? 194.2 g/mol). Assume that the Pepsi, mainly water, has a density of 1.01 g/mL.
Based on the fact that the alloy has an HCP crystal structure, what general processing technique would you consider for the processing of the turbine blade? Explain your choice.
The air in an inflated balloon (defined as the system) warms over a toaster and absorbs 121 J of heat. As it expands, it does 70. kJ of work. What is the change in internal energy for the system.
The solubility of solute in a solvent depends on various parameters, such as temperature, pressure, the nature of the solute, and the nature of the solvent. Considering these parameters, identify the statements that are correct for the solubility ..
The experimentally measured density under the same conditions is 3.10 g/L. Account for the discrepancy between your calculated value and the experimental result.
how many liters of gasoline would you need to buy to complete a 142- trip in Europe? Use the following conversions
Concentrated acids and bases may fall outside this range. Calculate the pH of hydrochloric acid, if the solution is sold as 37 % by weight (37 g HCl / 100 g solution) with a density of 1.18 g/mL.
Find the molarity of a Ca(OH)2 solution,given that 363 mL of it is neutralized in a titration by 187 mL of 0.0058 M HNO3.
What exactly is the difference between Group 1 elements and Group 2 elements? Select the answers below, there may be more than 1 answer to this question.
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