Question 1 of 25
4 Points
A koala starts on the ground and climbs a tree to a height of 19 m. If the
koala has a mass of 12 kg, how much gravitational potential energy does it
gain?
O
O
A. 186.23
B. 228 J
O
O
C. 2234 J
D. 2519 J
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Hey guys so i need to know what is _nh3+> nh4oh ~chemistry~

Click the button that shows the correct relationship of the electron affinities of the elements sodium and phosphorus. sodium’s electron affinity value is more negative than the electron affinity value of phosphorus. phosphorus’ electron affinity value is more negative than the electron affinity value of sodium. this information cannot be determined using the periodic table. answer is b on e2020.

Upon decomposition, one sample of magnesium fluoride produced 1.65 kg of magnesium and 2.56 kg of fluorine. a second sample produced 1.32 kg of magnesium. part a how much fluorine (in grams) did the second sample produce?