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what is the symbol of a period 3 element that forms a 1 cation write the symbol of an ion from group 7a with 10
draw resonance structures for each the following compounds or ions and use formal charges to indicate which resonance
what distinguishes a saturated fatty acid from an unsaturated fatty
what is the balanced equation of sodium chloride and dimercury i nitrate participate in a double replacement reaction
what is the balanced equation for ethane c2h5 and oxygen which combust to form carbon dioxide and
what is the balanced equation for nitrogen water and oxygen which are all produced by the decomposition of ammonium
in the nuclear industry detailed records are kept of the quantity of plutonium received transported or used each
explain how specifically a living molecule was supposed to have formed from an organic substanceaccording to the bible
you drop two balls from a tower one of a mass m and the other of mass 2m just before they hit the ground which ball if
what are good ways to learn how to calculate ph i know that ph is a measure of acidity and that it is calculated using
consider the circuit shown in the figure below in which v 15 v and r 12 find and tabulate the current through and
how much faster in meters per second does light travel in a crystal with refraction index 153 than in another with
please explain plancks hypothesis and bohrs model and how these ideas shaped our modern understanding of the structure
you focus sunlight on a piece of paper and find that the light seems to be most nearly focused between 24 and 25 cm
a block of mass 023 kg slides down a frictionless track with the shape shown above the circular portion of the track
a spring with spring constant 72 nm has one end attached to a peg on a horizontal surface and another attached to a
a roller coaster car of mass 520 kg is initially going 22 ms along a horizontal track the track makes a vertical loop
a rocket car with mass 1300 kg is launched by going down a 30 degree ramp with a vertical height of 15 m and then going
a rocket car with mass 1300 kg is launched by going down a 30 degreenbspramp with a vertical height of 15 m and then
1 a drill rotates at 380 rad per s how many radians does it rotate through as it comes to a stop in 30 seconds2 an
inside an elevator a businessman is holding a large briefcase whose mass is equal to 40 kg a compite the force exerted
two frictionless roller-coaster cars sit atop identical roller coaster tracks the two roller-coasters meet at the
steam enters a 10 mw output turbine at a fluid speed of 795 ms and emerges at a fluid speed of 984 msassuming the