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Rydberg constant = R = 1.096776 × 107 m-1h = 6.626 x 10-34 J.sc = 2.998 x 108 m/s
What was the wavelength of the second photon emitted?
You are expected to design a car that works with photovoltaic panels. Assume that the driver is 75kg and the expected speed is 50km/hr.
Assuming all gases are at the same pressure and temperature, how many liters of CO2 are formed from 15.0L of CO.
The volume of a drop of rain was found to be 0.448 ml at N.T.P. How many molecules of water and number of atoms of hydrogen are present in this drop.
If the actual yield is 220.0 g and the theoretical yield is 275.6 g then what will be the percent yield of ferrous sulfide.
a bicycle tire is filled with air to a pressure of 100 psi at a temperature of 100 degrees C. Riding the bike on asphalt on a hot day increases the temperature of the tire to 58 degrees C. the volume of the tire is increased by 4%. what is the new..
A solution has an H3O1+ concentration of 1.7 10-2 M. What is the hydroxide ion concentration?
Bond Energies, Using the bond energies below, determine the value and sign of delta H for the
Calculate the masses of the reactants and products of the following equation. Please show work.
A student measures the standard enthalpy change for reaction (C2H4(g) + H2O(g) CH3CH2OH(g)) to be -52.8 kJ :Calculate the standard enthalpy of formation.
Find out the exact significant figures for each of the values - Indicate the number of significant figures
A cylindrical glass tube 15.0 cm in liength is filled with ethanol. The mass of ethanol needed to fill the tube is found to be 9.64g.
the fact that the relative reactivity of C-H bonds of an alkane for free-radical chain halogenation is tertiary > secondary > primary?
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