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mrs_skeptik [129]
3 years ago
15

Which if the following is likely to be found in placer deposits

Chemistry
1 answer:
cestrela7 [59]3 years ago
3 0
The answer is A. Gold
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noah rides his bike with a constant speed of 8 km/h. How long will he take to travel a distance of 16 kilometers?
katovenus [111]

Answer:

d/t=s

(divide 16)16/t= 8(divide 16)

t= 0.5 km/h²

Explanation:

Distance: 16 kilometres

Speed: 8 km/h

Time: ?

3 0
3 years ago
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Heisenberg's uncertainty principle tells us that _____. heisenberg's uncertainty principle tells us that _____. the de broglie w
Alexandra [31]

Based on Heisenberg's uncertainty principle, the position and velocity of a particle cannot be determined simultaneously with accuracy.

In other words, Heisenberg's uncertainty principle states that the more accurately we know the position of a particle the less accurately we can know its velocity. Mathematically it is given as:

Δx.mΔv >= h/2π

where: Δx = uncertainty in position

m = mass

Δv = uncertainty in velocity

h = plancks constant

   


3 0
4 years ago
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Which statement best describes the work and energy in these examples?
kari74 [83]

Answer:

The gas and food are examples of energy.

Explanation:

The reason why is that food is energy as proteins and electrolytes. Gas is a energy of fossil fuels.

3 0
3 years ago
Which of the following example(s) from everyday life are made possible by modern chemistry?
lorasvet [3.4K]

Answer:

I believe it is c

Explanation:

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7 0
3 years ago
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What is the pH of a solution with a concentration of 5.2 x 10-8
BartSMP [9]

Answer:

7.28

Explanation:

-log(5.2x10^-8) = 7.28

- Hope that helped! Please let me know if you need further explanation.

5 0
3 years ago
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