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Calculate the equilibrium pressure of CO2 due to the decomposition of barium carbonate (BaCO3) at 25°C. In atm.
calculate the concentration of sodium benzoate must be present in a 0.20 M solution of benzoic acid
Vanadium(V) Oxide reacts with calcium according to the chemical equation below. When 10.0 moles of V2O5 are mixed with 10.0 moles of Ca, which is the limiting reagent?
calculate the mass of Cl2 consumed if the battery delivers a constant current of 853 A for 28.0 min.
What is the freezing point of a solution of 224 g of ethylene glycol (C2H6O2) dissolved in 1000 g of water?
Benzene is a trace component of gasloine. What is the mole ratio of benzene to n-octant in the vapor above a solution of 40.0% benzene and 60.0% n-octane by the mass
the density of an aqueous ethanol solution is .789 g/mol. How many grams of ethanol should be mixed with water to make 225mL to make a 4.5% ethanol solution?
A chemist isolates a colorless liquid with the properties of cyclohexane (M= 84.2 g/mol) from a petroleum sample.
When 35.6 L ammonia and 40.5 L oxygen gas react at STP, NO(g) and water are produced. How many grams of NO(g) are produced assuming 100% yield?
A student followed the procedure of this experiment to determine the Caloric content of a Planter's cocktail peanut. The peanut studied had a mass of 0.609 g before combustion and 0.053 g after combustion
Will there be any precipitate in the following situations? If so, then what compound will be the precipitate? Justify your answers. A) 23 micrograms of strontium chloride, SrCl2 is dissolved in 1.50L of 0.0088M ammonium fluoride, NH4F solution
Find the empirical formulas for compounds with the following compositions: a. 8.74% magnesium, 91.26% iodine b. 36.86% nitrogen, 63.14% oxygen
What volume of hydrogen can be produced at 22.0C and 1.01atm pressure by the reaction of 25.0ml of 2M HCL with 0.3g Zn?
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