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A sample of metal is placed in a flask. water is added to the flask and the total volume in the flask is read to be 126.4 ml. The mass of water, flask and metal is 268.5 g. if the mass is 139.3 and the density of water is 1000 g/ml, what is the density of the solid
A 52.0-g sample of an alloy at 93.0°C is placed into 379 g of water at 22.0°C in an insulated coffee cup. Assume that no heat is absorbed by the cup.
Which has the lowest freezing point: CaF2, (NH4)3PO4, C6H12O6, or NaNO3?
What volume of a 0.50 M KOH solution is needed to neutralize completely 10.00 mL of a 0.30 M H2SO4 solution? The neutralization reaction is 2KOH + H2SO4 → K2SO4 + 2H2O.
Upon further analysis, the compound is found to be 25.305% C and 74.695% Cl. What is the molecular formula of the compound?
A 0.221 g sample of sodium carbonate was titrated to a pale yellow endpoint with HCl. What is the concentration of HCl
If 0.80 g of sulfur dioxide at 10.00 atm pressure (P) dissolves in 5.00 L of water at 25.0°C, how much of it will dissolve in 1 L of water at 9.00 atm pressure (P) and the same temperature?
What is the maximum number of liters of Fe2O3(s) that can be made from 11.53 L of O2(g) and 16.07 L of FeS(s) at STP?
If fuel mixtures are required to contain 3.0 oxygen by mass, how many grams MTBE must be present in each 110 gasoline.
React 1 mol of Al(s) with enough Cl(2)(g) to entirely react and form the expected product (s). Define how much Cl2 is consumed and how much product is formed in moles
How many grams of NH4Cl must be added to 424 mL of a 0.69 M solution of NH3 to prepare a pH = 9.00 buffer.
Given that Kp for 2 SO2(g) + O2(g)-->/
What is the relationship between keto and enol forms of acetone (CH3COCH3)? a) resonance structures b) diastereomers c) different conformations d) constitutional isomers
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