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1- A radio station's channel, such as 100.7 FM or 92.3 FM, is actually its frequency in megahertz MHz, where 1MHz=10^6 Hz. Calculate the broadcast wavelength of the radio station 96.50 FM.
2-Green light has a frequency of about 6.00x10^14 s^-1. What is the energy of green light?
What is the mass of a rectangular piece of copper 24.4cm x 11.4cm x 6.6cm? The density of copper is 8.92 g/cm^3.
Write and balance the equation for the complete combustion of heptane, C7H16. You do not need to include any phase symbols or energy
you have a mixture of oxygen and argon in a 2.50 L container. You know that the oxygen has a mass of 3.44 grams. The total pressure of the gases is 1.86 atm, and their temperature is 22 degrees C.
Calculate the number of ATPs generated from the metabolic oxidation of the four carbons of acetoacetyl-CoA to CO2. Now consider the homolog derived from oxidation of an odd numbered carbon chain
Nitrogen and 20% of Oxygen, and that the pressure at sea level is 1.000 atmosphere, calculate the partial pressures of each gas and the total gas pressure in the middle of the stratosphere at 35.00km altitude, where T=240.0 K.
At its boiling point of 100C, 724 kJ of heat is required to vaporize 321 g of water. What is the molar enthalpy of vaporization of water
A zero-order reaction has a constant rate of 1.50×10?4. If after 55.0 seconds the concentration has dropped to 4.50×10?2, what was the initial concentration?
The first ionization energy of bismuth is Ei1 = +703 . What is the longest possible wavelength of light that could ionize an atom of bismuth?
Maleic acid is a carbon-hydrogen-oxygen compound used in dyeing and finishing fabrics and as a preservative of oils and fats. In a combustion analysis, a 1.054- sample of maleic acid yields 1.599 of and 0.327 of.
a sample of gas occupies 1.40 X 10 cubed mL at 25 degrees celcius and 760 mmHg. what volume will it occupy at the same temperature and 380 mmHg? which gas law is being used.
best describes the self-sustaining process of fission with a critical mass of uranium-238?
2.4 g of a hydrocarbon fuel is burned in a calorimeter that contains 262 grams of water initially at 25.00 C. After the combustion, the temperature is 26.55 C.
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