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What volume of 5.00x10^-3 M HNO3 is needed to titrate 80.00 mL of 5.00x10^-3 Ca(OH)2 to the equivalence point?
1. How many CO2 molecules are needed to produce 1 glucose molecule (in photosynthesis)? 2. How many moles of oxygen atoms are in 1 mole of calcium phosphate?
A compound is constituted by mass of 22.6% phosphorus, the rest being chlorine. Given that a volume of 307 mL of the gas has a mass of 1.55 g at 25 °C and 90 kPa, find the molecular formula for this compound
What volume of hydrogen gas is produced when 62.0 g of sodium reacts completely according to the following reaction at 25 oC and 1 atm? sodium (s) + water (l) ----sodium hydroxide (aq) + hydrogen (g)
two simillar reactions have the same rate constant at 25 degress, but at 35 one of the reactios has a higher rate constant than the other. Account for these observations.
a three carbon species that has a carbon level of zero at each carbon atom. b) two compounds that contain three carbon atoms and have a carbon atom with a carbon level of 1.
write a program to compute the diameter in centimeters of a steel rod an aluminum rod and a copper rod which can
A solution is colorless in phenolphthalein and blue in bromcresol green. Therefore we can conclude that the pH of the solution
Catalysis refers to a chemical process in which the rate of a reaction is affected by the presence of a substance that is neither a reactant nor a product in the reaction
the reaction produces 0.90 mol of CO2 and 0.45 mol of H2O. Determine the number of mols of carbon in the compound. Determine the number of mols of hydrogen in the compound.
Metals such as magnesium and zinc react with dilute sulfuric acid to give hydrogen, according to the equation: M (s) + H2SO4 (aq) -------> MSO4 (aq) + H2 (g) When 5.00 g of a mixture of powdered magnesium and zinc were dissolved in diluted sulfuri..
special eye drop solution for a glaucoma patient must have a 2 active ingredient a pharmacist is to prepare 15ml of it
the earth undergoes over a specified period of time the amount of work required to build a house the heat generated by a chemical reaction carried out at constant temperature and pressure the enthalpy released by the combustion of a gallon of gaso..
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