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If each Hydrogen molecule forms 2e-, then how many kg of H will be required to produce the electricity required for a typical house? Assume about 850 kWh of electricity is used in the home per month, which corresponds to approximately 2.65 * 104 mol of electrons at the voltage of a fuel cell?
if 88.0 ml of H2O is heated from 5°C to 37C then calculate how much heat energy is absorbed?
Fundamentals of acids and bases - Water self ionizes to a small extent creating equal concentrations of hydronium and hydroxide ions. Find the molar concentration of these ions in water at 25 o C?
Multiple choice questions in nuclear chemistry - which equation represents the balanced nuclear equation
Calculate the Mn of the polyisobutene if A 7.5g polymer sample found to discolor 3.4 mL of a 0.05 M solution of Br in CCl4 ?
Explain what it means that the atomic mass of naturally occurring Ag, is a mixture of its two isotopes forms, is 107.868 u.
A 100.0 mL sample of 0.10 M NH3 is titrated with 0.10 M HNO3. Compute the pH of the solution before the addition of any HNO3. Kb of NH3 =1.8 × 10-5.
Application of ideal gas law - How high can you raise the temperature of the gas without bursting the vessel?
Identifying and balancing the different types of chemical reactions. Evaluate which processes represent chemical reactions.
Draw the accepted mechanism for each reaction and illustrate how each stereoisomer is formed in the reaction.
determine How many formula units(formula un) of sodium iodide(NaI) are present in 9.54 grams of this compound and also calculate how many gms of sodium iodide are present in 6.07E+21 formula units of this compound.
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.
Periodicity in the ionization energy and balancing the equation - Complete the following chemical reactions by writing the product(s) and balancing the equations:
Calculate the Root Mean Square Speed and its average kinetic energy per molecule of Nitrogen and water vapor
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