Physics, 01.10.2019 03:30 pencil8184
A12.5843-gram sample of metal bromide, mbr4, was dissolved and, after reaction with silver nitrate, agno3, all of the bromide was precipitated as silver bromide, agbr. the mass of the agbr(s) was found to be 23.0052 grams. what is the identity of the unknown metal? justify your answer with calculations.
Answers: 1
Physics, 22.06.2019 02:30
Awave travels at a speed of 5.2 m/s. if the distance between crests is 0.40 m, what is the frequency of the wave? use f=v/wavelength a. 13 hz b. 2.1 hz c. 0.077 hz d. 5.6 hz
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Physics, 22.06.2019 10:30
Arunner is training for an upcoming marathon by running around a 100-m-diameter circular track at constant speed. let a coordinate system have its origin at the center of the circle with the x-axis pointing east and the y-axis north. the runner starts at (x, y) = (50 m, 0 m) and runs 2.5 times around the track in a clockwise direction.
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Physics, 22.06.2019 17:30
Which of the choices are parts of an atom? select all that apply. a.) compound b.) electron c.) neutron d.) molecule e.) photon f.) proton g.) element
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Physics, 23.06.2019 01:30
Energy transformations that involve one transformation from one type of energy to another are called transformations.
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A12.5843-gram sample of metal bromide, mbr4, was dissolved and, after reaction with silver nitrate,...
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