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What would the ph be of a mixture of 100 ml each of 0.01 M of NaH2PO4 and 0.01 MNa2HPO4?
Water contained in a piston-cylinder assembly undergoes two process in series from an initial state where the pressure is 10 bar and the temperature is 40°C. at first, the water is cooled as it is compressed at a constant volume to 150°C.
Salicylic acid, used in the synthesis of aspirin, has mass composition 60.87% C, 4.38% H, and 34.75% O. What is the empirical formula of the compound.
Calculate the molar solubility of BaCO3 in a 0.10 M solution of Na2CO3 (aq). Ksp (BaCO3) = 8.1 x 10^-9
A mixture of gases contains 0.77 mol N2, 0.35 mol O2, and 0.12 mol CO2. If the total pressure of the mixture is 1.48 atm, what is the partial pressure of each component. N2 atm O2 atm CO2 atm
Write complete and balanced net ionic equations for the reaction that occurs between the following pairs of reagents. If no reaction occurs, so state.
Calculate the mass of butane needed to produce 89.8g of carbon dioxide. express the mass of butane numerically
A solution containing 16.9 g of nonvolatile molecular compound in 250. g of water has a freezing point of -0.744°C. What is the molar mass of the substance?
a solution of ammonia and water contains 3.10times1025 water molecules and 5.60times1024 ammonia molecules. how many
Consider the following equation: CO + 2 H2 → CH3OH ?H rxn = -128 kJ Calculate the amount of heat (in kJ) associated with complete reaction of 8.08 g H2.
What is the theoretical yield of aspirin in the reaction of 3.60 grams of salicylic acid with excess acetic anhydride?
Weigh 3.503g of NaC2H3O2*3H2O and add it into a 150mL beaker. Pour in 8.8 mL of 3M acetic acid. Pour in 55.6 mL of distilled water and add it to the mixture and stir the solution.
Identify the potential donor atoms in each of the following Lewis bases and classify the donor atom(s) as hard soft or borderline bases
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