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A 0.692 g sample of glucose, C6H12O6, was burned in a constant volume calorimeter. The temperature rose from 21.70 °C to 25.22° C. The calorimeter contained 575 g of water, and the bomb has a heat capacity of 650 J/K. What is ?U per mole of glucose?
Determine the work done by the evolution of H 2 in the subsequent reaction on the surrounding atmosphere with1atm pressure and at 25 degree celsius temperature and express your answer in Joule
How many molecules of substance B are produced when 30.0 g of substance A reacts? The molar mass of substance A is 23.5 g/mol. A) Convert the mass of A to moles
The visual raw meat color was red(outside) and brown(inside) and when mixed with NaNO2 and NaNO3 the color changed to slight maroon and medium brown and pink.
A mixture of gases contains 0.290 mol CH4, 0.240 mol C2H6, and 0.300 mol C3H8. The total pressure is 1.40 atm. Calculate the partial pressure of the gases.
A total of 0.145 g of this subunit was dissolved in enough water to produce 2.00 mL of solution. At 28 Celsius the osmotic pressure produced by the solution was 0.138 atm. What is the molar mass of the protein?
Observe the following reactants and predict which of the following may form the potential products given the values for the energy of activation, , and enthalpy of the reaction, , in combination with the molecular orientation.
You are given an acid with an equivalent weight of 62.5 g. What is the average molecular weight if the acid is diprotic? a) How many grams of your acid are needed to make 150mL of a .750 N (normal) solution?
how many liters of hydrogen are obtained from the reaction of 4 g calcium with excess water, at 37 Celsius and 0.962 atm?
Silver has two isotopes and an average atomic mass of 107.87 amu. If 48.18% of Ag exists as Ag-109 (108.9047 amu), what is the identity of the other isotope?
explain why pure water does not conduct electricity and what happens when a strong electrolyte is dissolved in it
orbitals in the HCl molecule, taking ?= -1.0 eV and the ionization of energy of atomic chlorine as 13.1 eV.
How many molecules of carbon dioxide are produced when 129 molecules of acetylene (HCCH) to react in excess oxygen produce carbon dioxide and water.
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