C₃H₈ + 5O₂ = 3 CO₂ + 4 H₂O
44.1 g ----------- 4* 18.02 g
? g --------------- 75 g
mass of C₃H₈ = 75 * 44.1 / 4 * 18.02
mass of C₃H₈ = 3307.5 / 72.08
= 45.886 g of propane
number of moles:
45.886 / 44.1 = 1.0404 moles
1 mole --------- 22.4 L ( at STP )
1.0404 moles ----- ?
v = 1.0404 * 22.4 / 1
v = 23.304 Lhope this helps!
<span>Dominos are similar in that the movement of one domino causes others to fall, which is a chain reaction. The problem with dominos is that one domino usually causes one other domino to fall which is a linear chain reaction (unless the dominos are set to knock over more dominos as in a fan shape). In nuclear fission of Uranium the reaction is an exponential growth chain reaction. The fission of one atom of U235 releases two or three neutrons which can cause other atoms to split which each release 2-3 neutrons and so on. In this way one split causes 3 splits which cause 9 splits which cause 27 splits and so on. A better analogy is shown in the video where the mousetrap releases 2 balls which set off 2 traps which set off 4 traps.</span>
An electron is a negative particle, so the answer is -1
For this problem, we use the formula for
radioactive decay which is expressed as follows:<span>
An = Aoe^-kt
where An is the amount left after time t, Ao is
the initial amount and k is a constant. </span>
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<span>We can use the equation above to find the percent of the original substance at a given time. However, the time given here is equal to the half life of C-14. So the percent left would be 50% or half the original.
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No answer choices?
Well, human destruction, pollution and overpopulation could all be threats to coral reefs.