Which is a property of every heterogeneous mixture? a. the mixture is made up of at least two different states. b. the mixture is made up of something dissolved in a liquid. c. the composition of the mixture is the same throughout. d. the characteristics of the mixture change within a sample. hana fills a cup with sandy ocean water. she pours the mixture through a filter. what does she collect that passes through the filter? a. a sample of pure water b. a solution of salt in water c. a suspension of sand in water d. a colloid of salt in water which describe colloids? check all that apply. 1.heterogeneous mixtures 2.homogeneous mixtures 3.may have a uniform appearance 4.are made up of at least two substances 5.will settle out over time when mixed, which states of matter form only a homogeneous mixture? a. two liquids b. two gases c. a solid and

1) a

2) b

3) 2 3 5

4)c

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a solenoid is created by wrapping a l = 90 m long wire around a hollow tube of diameter d = 4.5 cm.   the wire diameter is d = 0.9 mm.   the solenoid wire is then connected to a power supply so that a current of i = 9 a flows through the wire.

randomized variablesl = 90 m

d = 4.5 cm

d = 0.9 mm

i = 9 a                                          

write an expression for the number of turns, n, in the solenoid. you do not need to take into account the diameter of the wire in this calculation.

calculate the number of turns, n, in the solenoid.

write an expression for the length of the solenoid (l2) in terms of the diameter of the hollow tube d.

calculate the length of the solenoid (l2)   in meters.

calculate the magnitude of the magnetic field at the center of the solenoid in teslas.

explanation:

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