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Snowcat [4.5K]
3 years ago
9

How many moles are in 155 grams of aluminum

Chemistry
1 answer:
Aliun [14]3 years ago
8 0

Answer:

wads

Explanation:

wadsdw

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At the beginning of an experiment, a scientist has 176 grams of radioactive goo. After 165 minutes, her sample has decayed to 5.
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The half-life equation is written as:

An = Aoe^-kt

We use this equation for the solution. We do as follows:

5.5 = 176e^-k(165)
k = 0.02
<span>What is the half-life of the goo in minutes? 
</span>
0.5 = e^-0.02t
t = 34.66 minutes <----HALF-LIFE


Find a formula for G(t) , the amount of goo remaining at time t.G(t)=? 

G(t) = 176e^-0.02t

How many grams of goo will remain after 50 minutes? 

G(t) = 176e^-0.02(50) = 64.75 g
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What is volume? What instrument is used to measure liquid volume? What formula is used to calculate the volume of a solid object
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What groups are Cl and F in
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