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Which of the following reactions have a positive Srxn? Mark all that apply.
A+B-->2C
A+2B->C
2A+2B-->5C
A+2B-->2C
Iron has a reported average atomic mass of 55.85 amu. If iron has two isotopes, one of which has 29 neutrons and an isotopic abundance of 57.50%, what is the mass of the other isotope?
explain why cis-1-chloro-4-t-butylcyclohexane reacts rapidly with sodium ethoxide while the trans-isomer react slowly
How much heat is required to warm 221 g of ice from -44.9°C to 0.0°C, melt the ice, warm the water from 0.0°C to 100.0°C, boil the water, and heat the steam to 173.0°C?
How many (a) kilometers, (b) Meters (c) centimeters, ad (d) millimeters are there in 0.800 miles calcuted to the correct numbers of significant figures
A .sodium iodate and calcium nitrate B. sodium nitrate and potassium hydroxide C. sodium iodate and iron (III) chloride D. sodium iodate and potassium hydroxide.
nbspif an amount of heat 6.824 kj of is added to a coffee cup calorimeter containing 54.55 grams ofnbspwater in
Aluminum readily displaces hydrogen in sulfuric acid according the following balanced reaction: 2Al(s) + 3H2SO4(aq) = Al2(SO4)3(aq) + 3H2(g). How many grams of H2SO4 are required to completely consume 200.0 grams of Al
The standard cell potential () of the reaction below is -0.34 V. The value of for the reaction is __________ kJ/mol. Cu (s) + 2H+ (aq) ? Cu2+ (aq) + H2 (g)
Write balanced molecular, complete ionic, and net ionic equations for each precipitation reaction when each pair of aqueous solutions is mixed.
Anton Von L. a 17th century pioneer in the use of the microscope, described the microrganisms he saw as "animalcules" whose length was "25 thousandths of an inch."
A combustion devise was used to determine the empirical formula for a compound that only contains C, H, and O. A 0.6349 g sample of the unknown produced
a dilute solution of benzoic acid c6h5cooh is prepared by adding 7 ml of 1.85 m benzoic acid to a volumetric flask and
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