Chemistry, 17.03.2020 16:28 hardwick744
The first step in the proton-proton chain produces an antielectron, or positron. What happens to the positron?
A. It slowly works its way to the Sun's surface, where it escapes into space.
B. It rapidly escapes from the Sun, traveling into space at nearly the speed of light.
C. It is rapidly converted to energy when it meets an ordinary electron, resulting in matter antimatter annihilation
OD. It quickly meets an ordinary electron, forming an electron-positron pair that remains stable.
E. It joins with a nearby neutron to form a proton.
Answers: 1
Chemistry, 21.06.2019 23:00
Select the correct answer. given: 2libr + ba → babr2 + 2li in this chemical reaction, 325 grams of barium (ba) react completely. how many moles of lithium (li) are produced? a. 1.18 mol b. 2.37 mol c. 4.73 mol d. 16.4 mol e. 32.9 mol
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Chemistry, 22.06.2019 19:00
A4.86 g piece of metal was placed in a graduated cylinder containing 15.5 ml of water. the water level rose to 17.3 ml. what is the density of the metal. i need the steps of how to solve it to so i can use a formula to work out other problems.
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Chemistry, 22.06.2019 19:00
Convert the temperature of dry ice, –77 ∞c, into degrees fahrenheit and kelvin.
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The first step in the proton-proton chain produces an antielectron, or positron. What happens to the...
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