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Safrole is used as a topical antiseptic. Calculate the vapor pressure of a solution prepared by dissolving 0.75 mol of safrole in 950 g of ethanol ( molar mass = 46.07g/mol). P°ethanol = 50.0 torr at 25°C
Determine the specific heat of a material if a 35-g sample absorbed 96 J as it was heated from 293 K to 313 K.
The electric potential at points in an xy plane is given by V=4x²-2y3 .What is the magnitude of the electric field at point (1m,2m)
the resting membrane potential of a neuron at 25°c is -70mv. if the free energy change associated with the transport of one Na+ ion from outside to inside is -20.57kg/mol and Na+ outside the cell is 100mM what is Na+ inside the cell? Give your answer in mM with up two decimal points
Discuss your understanding of science. What is science? What does science show us – and what does it not show us? Identify or design your own research question and state what the independent and dependent variables would be (e.g., I am interested in whether chocolate consumption decreases anxiety. Chocolate would be the ____ variable and anxiety would be the _____ variable). Students are required to: 1) respond to the original discussion prompt provided and 2) respond to at least one...
Nursing science
A person put a bag of cement weighing 200N in a wheel Barrow. How much force is needed to lift the handle of the weel Barrow?
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