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How many grams of ice at -6.6 C can be completely converted to liquid at 10.5 C if the available heat for this process is 5.33×10^3 kJ? For ice, use a specific heat of 2.01 J/(g.C) and ΔH fusion= 6.01 kJ/mol.
how many moles of co2 when 15.5 ml of a 3.00 m hci reacts with excess caco3?the calcium carbonate in limestone reacts
How many grams of O2 are needed to react with 18.5 grams of Mg? 2 Mg(s) + O2(g) → 2 MgO(s)
Normally the alkaline earth carbonates (MCO3; M = Mg^2+, Ca^+2, Sr^+2, Ba+2) are insoluble in water. Why would the method used in this experiment work for calculating the molar mass of the alkaline earth? How would the calculations have to be cha..
What is the final temperature in a squeezed cold pack that contains 40.0 g of NH4NO3 dissolved in 135 mL of water? Assume a specific heat of 4.18 J/(g·°C) for the solution, an initial temperature of 25.0°C, and no heat transfer between the cold pa..
Find the identity of an unkown metal, M, if .3550 grams of the unknown metal reacts with nitrogen gas to give .4025 grams of a metal nitride, M3N2
The gasoline tank of an automobile contains 83 kg of gasoline. The gasoline combines with 332.0 kg of oxygen. What is the total combined mass of the carbon dioxide and water produced by combustion in the engine
If a 34.32 ml solution with a pH of 1.21 was mixed with a 1.0000 gallon solution of 0.00010000 M NaOH, what would be the final pH and how many grams of each product would be formed
A common by-product in this reaction is biphenyl, which is generated through a coupling reaction of phenylmagnesium bromide with unreacted bromobenzene. Draw the structure of biphenyl. Which part of your workup removed this by-product
What is the molarity of ZnCl2 that forms when 30.0 of zinc completely reacts with CuCl2 according to the following reaction? Assume a final volume of 285 mL .
Organic chemistry mechanism and conceptual problems involving, 1. Write equations to show how nitronium ions might be formed using a mixture of nitric and sulfuric acids.
Determine the empirical formula, molar mass, and molecular formula of the compound. Assume that the compound is a nonelectrolyte. (Type your answer using the format CO2 for CO2.)
An airbag in?ates in less than 50 msec by the reaction of NaN3 to produce Na and nitrogen gas at 25 ?C. NaN3 → Na + N2 The volume of the airbag is about 30 liters, and it is ?lled to a pressure of 1.4 atm.
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