Physics, 01.02.2021 17:00 mariaherving55
Surfactants, or wetting agents, are chemicals that are used in detergents. These chemicals interfere with hydrogen bonding between water molecules to allow water to more easily penetrate the small spaces between the fibers in cloth.
If an accident released these substances into a pond, what danger would they most likely pose to living things in the pond?
A)The water in the pond would warm and cool more easily.
B)Plants on the bottom of the lake would die because ice would sink.
C)Insects would have trouble walking on the water.
D)The water would be able to dissolve fewer nutrients.
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Wave functions describe orbitals in a hydrogen atom. each function is characterized by 3 quantum numbers: n, l, and ml. if the value of n = 2: the quantum number l can have values from to . the total number of orbitals possible at the n = 2 energy level is .
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Aresistor with an unknown resistance is connected in parallel to a 9 ω resistor. when both resistors are connected in parallel to an emf source of 21 v, the current through the unknown resistor is measured with an ammeter to be 4 a. what is the resistance of the unknown resistor? answer in units of ω.
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Surfactants, or wetting agents, are chemicals that are used in detergents. These chemicals interfere...
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