The best and most correct answer among the choices provided by your question is the second choice.
<span>Based on the reaction given above, as the temperature decreases, the formation of the reactants will increase.</span>
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Answer:
The symbol for this ion is Ni^2+
Not sure though
Without conducting an experiment, one can determine if a species in a solution is acidic or basic by using a litmus paper.
<h3>Litmus test</h3>
Acidic species would turn a blue litmus paper to red but have no effects on red litmus paper.
Basic species would turn a red litmus paper to blues but have no effects on blue litmus paper.
Thus, in order to determine if a species in a solution is acidic or basic without conducting any experiment, dipping a litmus paper into the solution would give an indication.
More on litmus paper test can be found here: brainly.com/question/1470773
Answer:
26150 years
Explanation:
First we need to determine the number of half lives -- not years -- it'll take for 100g (of any element) to decay to 3.125 g
First Half Life 100/2 = 50
Seconf Half Life 50/2 = 25
Third Half Life 25/2 = 12.5
Fourth Half Life 12.5/2 = 6.25
Fifth Half Life 6.25/2 = 3.125
So it'll take 5 half lives for 100g to decay to 3.125g.
If the Half Life of Carbon-14 is 5230 and it will take 5 half lives, to determine the number of years we just need to multiply 5*5230
5*5230 = 26150
This means that it will take 26150 years for 100g Carbon-14 to decay to 3.125g.
Hope this helps!
