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A food manufacturer is advertising a new cake mix as fat free. Hydrolysis of of the cake mix yields glucose, fructose, glycerol, and amino acids, molecules with hydrocarbon chains and a carboxyl group at the end. Is the cake mix fat free?
When a 2.75 kg fan, having blades 18.5 cm long, is turned off, its angular speed decreases uniformly from 10.0 rad/s to 6.30 rad/s in 5.00 s. (a) What is the magnitude of the angular acceleration of the fan? (b) Through ...
1. In the 1980s, the term picowave was used to describe food irradiation in order to overcome public resistance by playing on the well-known safety of microwave radiation. Find the energy in MeV of a photon having a wave ...
An accelerating sports car goes from 0 mph to 60 mph in five seconds. Its velocity is given in the following table, converted from miles per hour to feet per second, so that all time measurements are in seconds. (Note: 1 ...
A small can of radius r=7.0cm and height h=10.0cm is suspended by a string in a beaker of water so that it's depth is 15cm below the surface. the can is heavy enough that it would sink if it were not tied to the string.( ...
The purpose of this problem is to show in three ways that the binding energy of the electron in a hydrogen atom is negligible compared with the masses of the proton and electron. (a) Calculate the mass equivalent in u of ...
The 1D2 state of atomic oxygen lies 1.968 eV above the ground state. Calculate the enthalpies of reaction for the HOx cycle reaction 1DO + H2O r 2OH and the corresponding ground state reaction 3PO + H 2 O→ 2OH.
Describe the relationship between electron orbital energy levels and the energy of light that electrons emit for atoms in a gas.
What influence does mass media have? Frame your answer using sociological perspective.
1. An n-type Si crystal (10 17 donor/cm 3 ) contains 10 15 Au/cm 3 . What are the low level and high level lifetimes of electrons and holes in this sample? 2. Use the analysis procedure and physical model of the therma ...
An elevator is moving downwards at 4m/s when suddenly someone hits the stop button and it travels another 2.9 m before coming to a rest. Please solve for the acceleration and the change in time.
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