Determine how much net work is done
A hiker of 200 lb having a backpack of 50 lb hikes from 1 camp at 10,000 ft altitude to camp 2 at 13,300 ft in 8 hours. Determine how much net work is done?
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Determine the average atomic mass of M when the M2S3(s) is heated in air, it is converted to MO2(s) and a 4.200 g sample of M2S3(s) shows a decrease in the mass of 0.239 g when it is heated in air.
When and electron relaxes from the n=2 level to the n=1level in the H atom, how do you calculate the energy of the light emitted in (Kj/mol).
Two objects attract each other having a gravitational force of magnitude 9.90 x 10-9 N when separated by 19.6 cm. When the net mass of the objects is around 5.09 kg, determine the mass of each?
Determine the numbers of un-hybridized d-orbitals are on the central atom of SeCl2? Explain what kind of hybrid orbitals does PF3 use in the bond formation?
Discuss how much energy is released when the15.3 g of steam at 113.0°C is condensed to give liquid water at the 78.0°C? The heat of vaporization of liquid water is 40.67 kJ/mol, and the molar heat capacity is75.3 J/(Kmol)for the liquid and
Supposing no air drag, determine the rocket’s kinetic energy if it is 1000 km over the surface of Earth.
How can estimate the entropy change when the 4.51 mol of an ideal gas expand sat a constant temperature from 17.5L to a final volume of 75.4L in joules/K.
Discuss whether the solubility of potassium bitartrate should change when the concentration of KNO3 (aq)changes.
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