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The concentration of a biomolecule inside a rod-shaped prokaryotic cell is 0.0035 M.Calculate the number of molecules inside the cell, which is 3.5um long and 1.0um ?
How can the presense of the intramolecular hydrogen bonding in the single-deprotonated maleic acid lead to differences in the acid-dissociation constant when compared to fumaric acid
Use the octet rule to predict the formula of the simplest compound formed from hydrogen and silicon.
Potassium nitrate has a lattice energy of -163.8kcal/mol and a heat of hydration of -155.5kcal/mol. How much potassium nitrate has to dissolve in water to absorb 117kJ of heat
Question- I. A 3.13-g sample of Ni is allowed to react completely with Aluminium at high temperature to make 3.61-g of a compound NixAly. What is the empirical formula of the compound
The final temperature of the calorimeter is 29.5 deg C. What is the specific heat capacity of the unknown metal. The specific heat capacity of water is 4.184J g^-1 degC^-1. Write answer in decimal form to two decimal places.
how many metric tons of 4.5-s coal would be needed to yield the h2so4 required to produce a 1.7cm rainfall of ph 2.00
The total vapor pressure for a mixture with liquid mole fraction XA = 0.60 is 52.7 kPa. The vapor phase mole fraction is YA = O. 725. The excess molar enthalpy is +260 J mol-1. Calculate the molar Gibbs energy of mixing and the molar Entropy of mix..
according to a study of us cigarette sales between 1955 and 1985 when the price of cigarettes was 1 higher consumption
When given a problem with an aqueous solution containing Na3PO4 and you need to find the boiling point of the solution only knowing the solution is 18.7% by mass Na3PO4 and the Kb for water is .512 It also says to consider if the solute is an elec..
The reaction OH(aq) + HCN(aq) H2O(l) + CN(aq) is first-order in both the OH and HCN concentrations. The rate constant at 25oC is 3.7×10^9 mol^-1 L s^-1. In an experiment, 0.500 L of 0.020 mol L ^-1 NaOH(aq) is rapidly mixed with an equal volume of..
what is the symbol equation for incomplete combustion of ethane and what is the symbol equation for the complete
four ice cubes at exactly 0 degrees c having a total mass of 55.0 g are combined with 120 g of water at 76 degrees c in
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