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Consider the following unbalanced equation. How many molecules of O2 will be required to produce 1.60 mol of water? H2 + O2 → H2O
Consider the following equation: 2HF (g) H2 (g) + F2 (g) k+ 1.00 x 10 ^-2. Given that 1.00 mol of HF(g) ,0.360 mol of H2(g) , and 0.750 mol of F2(g) are mixed in a 5.00-l flask, determine the reaction quotient,Q Q=?
the density of liquid octane, H8H18, is 0.7025g/ml. if 1.00ml of liquid octane is vaporized at 100 degrees 100'c and 725 torr, what volume does the vapor occupy?
Explain how is the concept of effective nuclear charge used to simplify the numerous electron-electron repulsions in a many-electron atom
a reaction is known to be zero order in soci2 and second order in ch3cn. the reaction rate constant is 2.1 x 102 m-1
At 320 K and 16 atmospheres, the molar volume of ammonia (NH3) is about 10 % less than that of an ideal gas. Explain this observation.
Write a hybridization and bonding scheme for each molecule. Sketch the molecule, include overlapping of orbitals, and label all bonds. a) CCL4 b)NH3 c)OF2 d)CO2
Calculate the amount of heat required to completely sublime 18.0g of solid dry ice (CO2 ) at its sublimation temperature
If a breath of air, with a volume of 0.50 L, is drawn into the lungs and comes to thermal equilibrium with the body at 37°C while the pressure remains constant, calculate the increase in enthalpy of the air if the initial air temperature is 20 °C ..
calculate the specific heat of a metallic element if 478 j of energy are needed to raise the temp. of a 82.73 g sample
An infant ibuprofen suspension contains 100 mg/ 5.0 mL suspension. The recommended dose is 10mg/kg body weight. How many mL of this suspension should be given to an infant weighing 17 lb
A solution of NaOH(aq) contains 8.0 g of NaOH(s) per 100.0 mL of solution. Calculate the pH and the pOH of the solution at 25 °C
in a coffee-cup calorimeter 1.60 g of nh4no3 is mixed with 78.0 g of water at an initial temperature of 25.00degc.
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