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Given the unbalanced equation Ag2CO3 yeild Ag + O2 + CO2 how many moles can be produced from 2.5 moles of Ag2CO3
In a coffee-cup calorimeter, ammonium nitrate of 1.50 grams is added with water of 72.0 grams at an initial temperature of 25.00°C. the final temperature of the calorimeter contents is 23.83°C After dissolution of the salt. (Assuming the solution has a heat capacity of 4.18 J/°C·g) determine the enthalpy change for the dissolution of NH4NO3 in units of kJ/mol.
Determine how much Ammonia would be formed if 187 grams of calcium carbonate CaCO 3 are formed?
Compute the mass of H 2 O formed when 22 grams of propane are burnt if 4.4grams of propane are burnt in excess O2 7.2g of H 2 O are formed.
What do you expect will happen to the position of this equilibrium when the total pressure of the gases in the reaction mixture is doubled by injecting some argon (Ar) while maintaining the temperature constant.
Free radicals are also important in many environmentally significant reactions. For example, photochemical smog, which forms as a result of the action of sunlight on air pollutants, is formed in part by the following two steps.
Using a solution prepared by adding 467 mL of 0.400 M silver nitrate with 421 mL of 0.503 M sodium phosphate then determines what is the silver ion concentration in? Ksp of silver phosphate = 2.8 × 10-18
Which of the following isotopes is more likely to decay via positron emission rather than electron emission.
Sodium atoms(Na) emit light with a wavelength(λ) of 330 nano meters when an electron moves from a state of 4 p orbital to a state of 3 s orbital now you just need to determine the energy difference between the orbitals.
A balloon contains 400cm3 of helium at 25degrees and 1atm pressure. If the balloon bursts when the volume exceeds 800cm3. What would be the maximum temperature it could withstand at constant pressure?
Carbon sequestration technologies are being actively explored by researchers as methods to remove CO2 from the atmosphere, thereby diminishing the greenhouse effect.
Determine the mass, of: a.30.0 mL of the liquid propylene glycol, a moisturizing agent for foods,
Determine how long will it take for a sample of N2O5 to decay to sixty percent of its initial value?
Compute the atomic mass of 109Ag if natural abundance of 107Ag is 51.87% & atomic mass =106.905 amu and determine the probability of particle would be located in the range
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