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The temperature of the cosmic background radiation is measured to be 2.7 K. What is the wavelength of the peak in the spectral distribution at this temperature
Calculate the downward pressure in pascals due to gravity exerted by the bottom face of a 3.25kg cube of iron that is 7.50 cm
If 6.0 moles of ethene and 6.0 moles of hydrogen are introduced into a 2.0 L sealed vessel and allowed to equilibrate at 200ºC, what is the equilibrium concentration of the ethene
Mark the True statement A. In carbon containing compounds, carbon usually forms four bonds, nitrogen usually forms three bonds, oxygen usually forms two bonds, and hydrogen only forms one bond.
Show the reaction energy diagram of two competing reactions, A & B and A & C, for which the kinetic product (C) is different from the thermodynamic product (B). Both reactions follow a one-step mechanism.
If 76.0 mL of .150 M HCL is needed to neutralize all the NH3 from a 2.25-g sample of organic material, calculate the mass percentage of nitrogen in the sample.
Vessel A contains NH3 gas at 80 degrees celcuis and vessel B contains Ne gas at the same temperature. If the average kinetic energy of NH3 is 7.1x10^-21 J/molecules at 70 degrees celcius, calculate the root-mean-square speed of Ne atomes in m/s.
Calculate the pH of a buffer formed by mixing 60. mL of 0.10 M lactic acid with 88 mL of 0.24 M sodium lactate.
A hydrogen-filled balloon was ignited and 2.00 gram of hyrdogen reacted with 16.0 g of oxygen. How many grams of water vapor were formed?
The products of the combustion were 3.277 g of CO2(g) and 1.677 g of H2O(g). Insert subscripts below to appropriately display the empirical formula of the gasoline additive
what vibrational bands would be prominent in the Ir spectra of 3-aminoacetophenone and 1-(3nitrophenyl) ethanol? at approximately
how many grams of carbon dioxide (CO2) gas at are contained in a volume of 344 liters at STP?
Under What circumstances is it possible for the requirements for chirality at a carbon atom to be satisfied but for a molecule containing
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