When an atom loses an electron, what does it become? a. A positive ion b. A neutral ion c. A negative ion d. A neutral atom

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A 6.55 g sample of aniline (c6h5nh2, molar mass = 93.13 g/mol) was combusted in a bomb calorimeter with a heat capacity of 14.25 kj/°c. if the initial temperature was 32.

A chemist dissolves 327. mg of pure hydrochloric acid in enough water to make up 120. mL of solution. Calculate the pH of the solution. Be sure your answer has the correct number of significant dig

The s and p sublevels of an atom of an element in period 3 are filled with electrons. Which orbitals are filled in this atom?

What is the rate law for the reaction 2A + 2B + 2C - -> products Initial [A] Initial [B] Initial [C] Rate 0.273 0.763 0.400 3.0 0.819 0.763 0.400 9.0 0.273 1.526 0.400 12.0 0.273 0.763 0.800 6.0

What alkene (s) would be produced from the dehydration of cyclopentanol?

Why would you not expect to find fossils in metamorphic and igneous rocks?

What happens when a zinc rod is immersed in a solution of magnesium sulfate

How does chemical energy relate to the atom and how can we use it?

If the EMF produced in a wire is 0.88 volts and the wire moves perpendicular to a magnetic field of strength 0.075 newtons/amp·meter at a speed of 4.20 meters/second, what is the length of the wire in the magnetic field? a. 0.27 meters b. 2.