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what are the H3O+ and OH- concentrarions in a 125 mL solution prepared with 0.100 mol pf NaOH and water?
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Assessment Task You have been tasked to prepare a report for potential investors that allows them to understand the potential social, ethical and legal opportunities and risks of a technology, selected from a list of top ...
A 0.0500-mol sample of a nutrient substance is burned in a bomb calorimeter containing 2.00 × 10 2 g H 2 O. If the molar mass of this nutrient substance is 114 g/mol, what is the fuel value (in nutritional Cal) if the t ...
How much will the temperature change when 3.0 g of tooth enamel (specific heat = 0.18 cal/g C) absorbs 0.80 cal of heat energy?
Explain why the mass of the crucible and anhydrous salt is less than the mass of the crucible and the hydrate. What is the chemical formula of copper (II) sulfate?
Determine if the reactants shown on the right would result in the formation of a precipitate. Choices can be used more than one time or not at all. Forms a precipitate Will not form a precipitate Na 2 SO 4 + Ba(NO 3 ) 2 ...
A chemist must prepare 450. mL of 130. mM aqueous aluminum sulfate (Al2(SO4)3) working solution. He'll by pouring out some 0.452 mol/L aqueous aluminum sulfate stock solution into a graduated cylinder and diluting it wit ...
Why would the fact that red blood cells are malformed cause a problem with their ability to carry oxygen? How would this affect a person stricken with this disease?
What is the calculation of K c for the following reaction if an initial reaction mixture of 0.600 mole of CO and 1.80 mole of H 2 in a 6.00 liter container forms an equilibrium mixture containing 0.226 mole of H 2 O an ...
A 43 kg person drinks 430 g of milk, which has a "caloric" value ofapproximately 3.0 kJ/g. If only 15% ofthe energy in milk is converted to mechanical work, how high (inmeters) can the person climb based on this energy i ...
A 1.000 g sample of copper metal is heated in a crucible and after 15 minutes themass of the crucible contents is 1.111 g. Calculate the mass of copper (II) oxide that was produced.
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