Calculate the molar mass of this enzyme
A 4.60% solution by mass of an enzyme in water has an osmotic pressure of 23.0 torr at 289 K. Calculate the molar mass of this enzyme. (Assume that the density of the solution is 1.00 g/mL.)
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A 0.600 g sample of a nonvolatile yellow crystalline solid is dissolved in 24.6 g of benzene, producing a solution that freezes at 4.81oC. Find the molar mass of the yellow solid in g/mol.
American military does not represent an accurate cross section of Americans. How would a sociologist view the reasons for the uneven representation in the military? What would a sociologist say about how society shaped Americans' decisions to
The beam emerges from the laser at a point that is 1.10 m from the mirror and 1.80 m above the floor. After the reflection, how far from the base of the mirror does the beam strike the floor?
Why does the Monroe Doctrine think that the "systems" of Europe and the Western Hemisphere are fundamentally different?
How much work (in joules) is done by the electric force when an electron is accelerated from the cathode to the anode?
A sound source emits sounds of frequency 200 Hz that travel through still air at 340 m/s. The listener moves at 70 m/s relative to still air toward the stationary source. What is the wavelength of the sound between the source and the listener.
The wave reflects from the speeder's car and returns to the police car, where its frequency is measured to be 324 Hz less than the emitted frequency. Find the speeder's speed with respect to the ground.
The retail home improvement chain you work for, DIY Discount, has noticed that one of its brands of faucets is not selling nearly as well as anticipated. What information systems of the business will you use to determine the reason for the poo
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Use the footprint tool from the website What Is Your Ecological Footprint to calculate your ecological footprint.
Why is waste a problem for the environment? Discuss ways of reusing items that would normally be considered as waste in a hotel.
Describe how the Superfund or Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) or the Resource Conservation and Recovery Act
We are living in the age of the Anthropocene, but are currently in an Anthropause. COVID-19 has had a monumental (albeit temporary?) impact
What values will you add to the World Climate Forum if selected as an ECO AMBASSADOR?
Explain how science has contributed to international policy on climate change.(1750 words) The question gives you the opportunity to think about the causes
Why do environmentalists and scientists advocate stricter laws to limit power plant carbon dioxide emissions and subsidies for renewable energy?