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A professional scientist measures out eaxctly 100.00cm3 of a liquid, and finds that its mass is exactly 80.000g. What is the density (in g/cm3) of the liquid?
The concentration of carbon in a carbon-metal alloy is found to be 4.73x10^1 kg/m3. It is also known that the concentration of carbon in wt% in the alloy is 1.318x10^0 .
Draw a two-dimensional conformational energy landscape (free energy on y-axis, conformational coordinate on x-axis) to show how a protein may become kinetically (not thermodynamically) ‘trapped' in a misfolded conformation.
A sample of gas has a pressure of 328 torr while occupying a volume of 8.6 liters at 25 degrees C. If the volume was reduced to 2.4 liters at the same temperature, what would be the gas pressure in torr
if molarity of a 2000ml solution is 4.0M NaCl, how many moles of NaCl are dissolved in that solution.
An aerosol spray can with a volume of 350. mL contains 2.29 g of propane gas (C3H8) as a propellant. (a) If the can is at 25°C, what is the pressure in the can? (b) What volume would the propane occupy at STP?
what is the relationship between the structure of the fabric molecule and the intensity with which the azo dyes color the fabric?
A 25.0-mL sample of 1.00 M NH3 is titrated with 0.15 M HCl. What is the pH of the solution after 15.00 mL of acid have been added to the ammonia solution? Kb = 1.8 × 10¯5
Microwave ovens emit microwave energy with a wavelength of 12.0 cm. What is the energy of exactly one photon of this microwave radiation
What is the concentration of sodium in a river water sample that reads 115.0? the correct answer is: 17.9 ppm. how to obtain this answer since the plot is not linear.
The rate constant for the production of glucose from cellulose with a newly developed catalyst was found to vary with temperature as shown by the data in teh following table. What is the activation energy for this reaction
If a 2.5 L reaction vessel initially contains 725 torr of cyclopropane at 485C , how long will it take for the partial pressure of cylclopropane to drop to below 105 torr?
2C8H18+25O2image from custom entry tool16CO2+18H2O, 0.120 mol of octane is allowed to react with 0.890 mol of oxygen. Which is the limiting reactant
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