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Magnesium hydroxide is 54.87% oxygen by mass. How much oxygen is in 156 g of the compound? Answer in units of g. 015 (part 2 of 2) 10.0 points How many moles of oxygen is this? Answer in units of mol.
question predict whether or not a precipitate will form upon mixing 175.0 ml of a 0.0055 m kcl solution with 145.0 ml
Determine the structures of the compounds that would give the products
MgNH4PO4 6 H2O loses H2O stepwise as it is heated. Between 40 and 60 C the monohydrate is formed, and above 100 C the anhydrous material is formed. What are the phosphorus percentages of the monohydrate and the anhydrous material?
NaCl is added to 33.4ml of 0,327M AgNO3(silver nitrate). What would be the concentration of each of the ions(ie Ag+, NO3- Na+ and Cl-) in the reaction mixture after the reaction.
A sample containing 2.40 moles neon gas has a volume of 8.00 L. Assume that the pressure and the temperature remain constant.What is the new volume of gas in liters when a leak allows one-half of the neon atoms to escape?
Problem- When calcium carbonate is added to hydrochloric acid, calcium chloride, carbon dioxide, and water are produced.
methane and hydrogen sulfide form when 36g H2 reacts with carbon disufide. Calculate the percent yield if the actual yield of CH4 is 69.8
Compute the lattice energy of Na2O deltaH(f) (Na2O) = -409 kJ/mol deltaH(f) (O,g) = +249 kJ/mol. Utilizing the Born-Haber Cycle to get this- Lattice energy of Na2O = 2564 kJ/mol.
A balloon is filled to a volume of 55.0 ml at a temperature of 40.0 degrees Celsius. The balloon is then heated up at steady pressure to a temperature of 94.0 degrees Celsius. Explain what is the final volume of this balloon in liters
Assume that the specific heat and density of the resulting solution are equal to those of water [4.18 rm J/(g cdot {^circ C}) and 1.00 rm g/mL] and that no heat is lost to the calorimeter itself, nor to the surroundings.
State the methods by which a radiation oncologist can administer these therapies. Additionally, state four major differences between the two modes of treatment.
Nitroglycerine decomposes violently according to the unbalanced chemical equation below. How many total moles of gases are produced from the decomposition of 1.00 mol C3H5(NO3)3?
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