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After mixing the two, the temperature rises to 21.21 degrees Celsius. Calculate the heat generated by the reaction, and then calculate how many kJ were released per mole of reactant.
What is the partial pressure of Xe in the mixture when a mixture of Kr and Xe has a density of 2.50 g/L at a total pressure of 0.500 atm and at 0 deg C.?
Determine the numbers of monochlorination products are expected from the reaction of 2,4-dimethylpentane and chlorine in the presence of light?
Determine the chemical equation for the dehydration of cyclohexanol? Determine the theoretical yield for the dehydration of 3.0ml of cyclohexanol.
The two point charges of values +3.4 and +6.6 micro-coulombs, correspondingly, are separated through 0.20 m. Determine the potential energy of the 2-charge system?
What is the ratio of the number of moles of cyclo-propane to moles of oxygen when a balloon contains an anesthetic mixture of cyclo-propane (cp) and oxygen (O2) at 172 torr and 570. torr, respective
A proton (having q = +1.6 x 10^-19C) moves 15 cm all along the direction of an electric field of strength 3.0 N/C. The electrical potential difference among the proton's initial and ending points is
Determine the mass matom of the single atom in kilograms? (Note that 1u=1.6605×10-27kg). Determine how many moles of atoms are in a 285-gsample?
Determine the numbers of grams of Na2CO3 are present in the 575L of the Na2CO3solution? (Create a conversion factor to convert from the sample with a volume of 15mL to a solution with a volume of 57
A plane electromagnetic wave is traveling all along the x-axis. When the electric field of the wave consists of a maximum value of 2x10^-4 N/C and lies all along the y-axis, determine the wave's max
What optical rotation will be observed for this compound when measured in a 1 dm tube at a concentration of 0.2 g/10 mL? The (+) enantiomer of a particular compound has a specific rotation of&nbs
The position of the third-order maximum is around 6.70 cm from the center of the central maximum. i) Determine the wavelength of the light.
Determine the equilibrium constant, K, value (ignore units) at the 460.0K for the following reaction? N2(g)+3H2(g)→ 2NH3(g) What is the equilibrium constant, K, value at 460.0K for the following
At 25oC the substance X is an element which has the elemental form of X(s). At 25oC the standard enthalpy of formation of HXO4 (g) is -970.8 kJ/mol.
The allowed energies of the quantum system are 1.0 eV, 2.0 eV, 4.0 eV and 7.0 eV. Find out the wavelengths appear in the system's emission spectrum?
Given that So=201.0 J/mol K for RO2 (g) and So=138.4J/mo lK for RO3 (g) at25oC. Determine the standard change in entropy (J/K) at25oC for the reaction below?
A hair dryer draws 1200W, a curling iron draws 800 W and the electric light fixture draws 500 W. When all three of these appliances are operating in parallel on a 120 V circuit, determine the net c
Elemental Boron is a mixture of two isotopes, Boron- 11 and Boron- 10, of atomic mass 11.009 amu and 1-.013 amu respectively. The atomic mass of Boron recorded in the Periodic Table is 10.81 amu.
Illustrate the structures for these alkenes. Explain which alkenes would you predict to be produced in the greatest abundance? When 2-butanol undergoes E1 dehydration, three alkenes are obtained.
An object joined to a spring shows simple harmonic motion having amplitude of 10.0 cm. Determine how far from equilibrium will the object is when the potential energy of the system is equivalent to
When the starting temperature of the balloon was 18 degree Celsius, then what final temperature is required to raise the volume of a hot air balloon from 960 h to 1200 h?
For each of the given we have Z_100= {0,1,2,3,....,99} with a and b as element of Z_100 and f: Z_100--->Z_100 is a function stated by f(x)=ax+b(mod 100).
Determine the concentration, in mg/mL, of Ag + and PO3^ -3which will remain in the solution if 50.00mL of 0.020F AgNO3 is mixed with 150.00mL of 0.0250 FNa3PO4. Will a precipitate be formed?
The two similar charges are separated through a distance of 0.5 m. The force which the first charge applies on the second is 360 N. The magnitude of each and every charge is?
How would you separate the acetylsalicylic acid in this case? Sometimes aspirin (acetylsalicylic acid) is present in analgesic tablets such as a calcium salt, which is water soluble.