What are approximate relative abundances of two isotopes
Given that the atomic mass of carbon is given as 12.0107 g/mol, what are the approximate relative abundances of the two isotopes 12 C and 13 C?
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Calculate the amount of heat required to heat a 46 sample of ethanol from 10.0 to 18.0. Specific heat capacity of ethanol is 2.42.
A sample of fluorine has a volume of 2.88 L when the temperature is 11.6 degC and the pressure is 649 torr. What will be the volume when the pressure is 64.88 kPa and the temperature is 247.9 degC
A man having the mass of 73 kg sits in the chair which is pin-connected to the frame BC. If the man is always seated in an upright position, determine the magitudes of the horizontal and vertical reactions of the chair on the man at the instant .
Calculate the standard enthalpy of formation of carbon disulfide (CS2) from its elements, given the following data.
A certain second-order reaction () has a rate constant of 1.75×10-3 at 27 and an initial half-life of 274 . What is the concentration of the reactant after one half-life?
Use as few 3×8 binary-decimal decoders and 3-input NOR gates as possible to implement a BCD Squaring circuit. That is, it accepts a BCD digit, X (in 4-bit binary form) as input to produce its square, X2 at the output. Decoders with activ
At 1 atmosphere of pressure, 25.0g of a compound at its normal boiling point are converted to a gas by the addition 34,000 J. What is the heat of vaporization for this compound in J/g?
The molar heat capacity of carbon dioxide at constant pressure is 29.14 J mol 1 K . What is the heat capacity of 2 moles of carbon dioxide at constant volume?
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