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Aerosol cans have a label that warns the user not to use them above a certain temperature and not to dispose of them by incineration. Even an empty can contains residual gaseous propellant. For example, the residual pressure in a can is 1.11 when it is sitting on a shelf at 23 . If the can is placed on top of the furnace where the temperature reaches the boiling point of water, what is the pressure inside the can?
Hemoglobin is the protein that transports oxygen in mammals. Hemoglobin is 0.342% Fe by mass, and each hemoglobin molecule contains four iron atoms. Calculate the molar mass of hemoglobin
A proton in a linear accelerator has a de Broglie wavelength of 155 pm. what is the speed of the proton?
For each of the rate laws below, what is the order of the reaction with respect to the hypothetical substances X, Y, and Z? What is the overall order?
Draw the acylation mechanism including all resonance forms of an electrophile aromatic substitution reaction if the carbon identified with an asterisk(*)
Hexafluorosilicic acid is made by the reaction of silica and hydrofluoric acid by the following reaction 6HF + SiO2 ? H2SiF6 + 2H2O ?Hr = -670 kJ/mol
When 20.0 g of a metal is placed in 9.0 mL of water, the volume increases to 14.5 mL. What is the density of the metal
Consider the gas phase reaction 2 HCL = H2 + Cl2 for which Kc = 16 at 523 Kelvin. If .030 moles of HCl is introduced into a 1 L vessel at 523 K
Explain why one mole of potassium nitrate in a liter of water has a higher melting point than one mole of aluminum nitrate in a liter of
water can be expressed in polynomial form, vs the number of moles of ethanol (nEtOH), as 1002.93+54.6664*nEthOH-0.36394*nEthOH^2+0.028256*nEtOH^3, the partial molar volume of ethanol has its minimum value at m > 0.004 mol/kg.
A sample of N2O3 contains 1.26 moles of nitrogen. Use the following atomic masses: N =14, O=16.
What determines whether two substances are likely to be miscible with each other, in terms of thermodynamic and intermolecular forces
Calculate the pH of a solution formed by mixing 65 mL of 0.30 M NaHCO3 with 75 mL of 0.30 M Na2CO3
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