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During a breath, the average human lung expands by about 0.50 (L). How much work (in {rm J}) is done during the expansion If this expansion occurs against an external pressure of 1.0 atm,?
Considering the given chemical equation as . 2H2 + O2 = 2H2O determine the mass of H2O is formed if oxygen of 10.0L react completely in the given equation?
The density of palladium(Pd) is 12.0 g/mL at 20 degree Celsius temperature and the density is 11.0 g/mL 1550 degree Celsius temperature . What is the change in volume (V) if tempreture raises of 4.21 kg Pd from 20°C to 1550°C.
Determine the boiling point of a 1.5m aqueous solution of fructose.
Solving this question helps the student to understand what is happening in a chemical reaction and to balance the given equation.
An unknown mass of each of the given substances 1.Sand (tf=70.4 C),2.Pyrex glass(tf=67.6 C),3.water(tf=55.9 C) ,4.ethanol (tf=45.9 C), initially at 19.0 degrees Celsius, absorbs 1930 Joules of heat. Find out the mass of each substance.
Using a sample of a compound containing only oxygen and chlorine reacts with an excess of H2 gas to give 0.206 g water and 0.278 g HCl
Determine what is the coordination of the cations in the case of a normal spinel and what point defects are possible in the spinel structure?
Periodicity in the ionization energy and balancing the equation - Complete the following chemical reactions by writing the product(s) and balancing the equations:
Determine how much time (in seconds) is needed to form 150. g Na from a sodium chloride melt by a 25 Ampere current?
Dalton law of partial pressure - The partial pressure of oxygen is maintained at 0.20 atm at this depth
Determine the partial pressure and total pressure of each gas in the vessel and process of reaction runs until eighty five of the Oxygen is used and the vessel get cooled to its starting or initial temperature.
Describe the process design and application - Water and Wastewater Treatment
Calculate how many grams of Ni2+ are present in 3.36 moles of nickel(II) fluoride(NiF2) and also determine the number of moles of F- ion are present in 4.82 grams of nickel(II) fluoride.
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