In which of the following models will the universe stop expanding?
A) open universe
B) critical density universe
C) steady state universe
D) closed universe
E) All have an ultimate collapse.
D
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For glucose dissolving in water at 298 K, the diffusivity is 6.9 x 10^-10 m^2/s. What do you expect the diffusivity of water in glucose to be?
What will be an ideal response?
_____ are layered formations caused by mats of algae or bacteria combined with sediments
A) Metabolites B) Stromatolites C) Cellulites D) Rhyolites
A natural gas pipeline with a diameter 0.250 m delivers 1.55 cubic meters of gas per second. What is the flow speed of the gas in the pipeline?
The volume of a given amount of gas is inversely proportional to the absolute temperature when the pressure is kept constant
Indicate whether the statement is true or false