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ehidna [41]
2 years ago
11

Who wnata to date over snap we show what ever we want I mean what ever im 13, 14 is the oldest I can go.

Chemistry
1 answer:
iren [92.7K]2 years ago
4 0

Answer: I already gave u the aNswer

Explanation:0  ok bye

bye .................................

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Which of the following is a correct statement about collision theory?
rjkz [21]
The answer is D. Effective collisions lead to chemical reactions!
3 0
3 years ago
Read 2 more answers
Vanillin (used to flavor vanilla ice cream and other foods) is the substance whose aroma the human nose detects in the smallest
balu736 [363]

Answer:

Cost to supply enough vanillin is 3.2\$

Explanation:

Threshold limit of vanillin in air is 2.0\times 10^{-11}g per litre means there should be 2.0\times 10^{-11}g of vanillin in 1L of air to detect aroma of vanillin.

1ft^{3}=28.32L

So, 5.0\times 10^{7}ft^{3}=(5.0\times 10^{7}\times 28.32)L

So amount of vanillin should be present to detect = (2.0\times 10^{-11}\times 5.0\times 10^{7}\times 28.32)g

As cost of 50 g vanillin is 112\$ therefore cost of  (2.0\times 10^{-11}\times 5.0\times 10^{7}\times 28.32)gvanillin = (2.0\times 10^{-11}\times 5.0\times 10^{7}\times 28.32\times 112)\$ = 3.2\$

5 0
3 years ago
What does the equation A + BC to B + AC represent
katrin2010 [14]

<em>Displacement reactions</em>

6 0
3 years ago
What was significant about the rocks Darwin found in the mountains
inn [45]
Sea fossils were found on top of the mountains which gave evidence of evolution for continents and oceans
5 0
2 years ago
6. A solution of CuSO4 is electrolyzed for 10 minutes with a current of 1.5 amperes. What is the mass of copper deposited at the
vladimir2022 [97]

The mass of Copper deposited at the cathode : 0.296 g

<h3>Further explanation</h3>

Given

time = t = 10 min=600 s

current = i = 1.5 A

F = 96500 C

charge Cu=+2

Required

The mass of Copper

Solution

Faraday's Law

\tt W=\dfrac{e.i.t}{96500}

e = Ar/valence(valence Cu=2, Ar=63.5 g/mol)

Input the value :

\tt W=\dfrac{63.5/2\times 1.5\times 600}{96500}\\\\W=0.296~g

5 0
2 years ago
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