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A typical human cell is approximately 11.00 µm in diameter and enclosed by a membrane that is 7.00 nm thick.
(a) What is the volume of the cell including the membrane?
(b) What is the volume of the cell membrane?
(c) What percent of the total volume does its membrane occupy? To simplify the calculations, model the cell as a sphere.
solution of water (Kf = 1.86^ C/m) and glucose freezes at - 2.55^ C. What is the molal concentration of glucose in this solution? Assume that the freezing point of pure water is 0.00 ^ C.
a 4.75 g sample of aluminum pellets specific heat capacity 0.89 j degc-1 g-1 and a 10.00 g sample of iron pellets
whats the anode charge. please include the answer and why and a step process please
2Na + 2H2O ----> 2NaOH + H2 . If 7.2g of Na undergoes reaction with water and the resulting hydrogen is bruned in oxygen to produce water, how many grams of water would be produced
A first order chemical reaction has a rate constant of 5.8×104 s-1 at 10 °C and a rate constant of 4.7×105 s-1 at 64 °C. Calculate the activation energy, Ea, for the reaction.
Calculate the pressure of the air when the whole thermometer is immersed in a bath at 100 0C. As the figure below shows, at 0 0C, the length of air space is 10 cm; and at 100 0C, it is 2 cm.
A solution of I- gives 301.0 mV in a cell with an iodide ion selective electrode. 10.0 mL of the solution is mixed with 3.00 mL of 1.00 x10^-6 M AgNO3, and the Ag is completely precipitated as AgI. The cell then gives 310.2 mV. Assume the electrod..
Find out which of the following functions are Eigen functions of the inversion operator i which has the effect of making the replacement x -> - x)
a mass of 48.5 g of a certain substanse can be disolved in 29.1 cm3 of water at 20 degrees celcius. Calculate the solubility of this substance per gram of water at the same temperature.
Compare your predicted molecular polarity, and the dipole moment predicted by Alchemy, to the actual measured values in the given table. Which modeling system gave better results
What is the internal energy change for the gas? Give your answer in joules (J), accurate to three significant figures.
Calculate the energy required to raise the temperature of 160.0 g Ag from 273 K to 295 K. Please provide answer in J
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