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Afina-wow [57]
3 years ago
13

Answer the question on the screen, “What type of bond is this combination likely to form?”

Chemistry
1 answer:
netineya [11]3 years ago
7 0

Answer:

Which combination are you talking about?

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Is neon transparent translucent or opaque
irinina [24]

Answer: Opaque hope this is helpful

Send a brainliest if this was helpful :)

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3 years ago
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under certain water​ conditions, the free chlorine​ (hypochlorous acid,​ hocl) in a swimming pool decomposes according to the la
ivolga24 [154]

Answer:

1.7 ppm

Explanation:

Original amount N' = 2.6 ppm

time to testing t = 24 hr

final amount N = 2.1 ppm

Using exponential inhibited decay, we have

N = N'e^(-kt)

Where

N is the new reading

N' is the original reading

t is the decay time

k is the decay constant

Substituting, we have

2.1 = 2.6 x e^(-k x 24)

2.1 = 2.6 x e^(-24k)

0.808 = e^(-24k)

We take the natural log of both sides of the equation

Ln 0.808 = Ln (e^(-24k))

-0.213 = - 24k

K = 0.213/24 = 0.00886

After 48 hrs, the reading of free chlorine will be

N = 2.6 x e^(-0.00886 x 48)

N = 2.6 x e^(-0.425)

N = 2.6 x 0.654

N = 1.7 ppm

5 0
3 years ago
What is matter ????????
Debora [2.8K]
Matter is everything and everything is made of matter, everything physical at least
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3 years ago
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The density of ethanol is 0.789 g/cm^3 at 20 degrees C. What volume of ethanol has a mass of 15.5 grams?
lys-0071 [83]
<span>density = mass / volume
   
given the quotient , we have density and mass, volume can be easily calculated as:
   
volume = mass / p =15.5 g / 0.789 g/cm^3
   
=~ 20 cm^3 (dimension ally constant)</span>
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Lava that cools quickly forms: A. basalt B. granite C.quartz D. none the above
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The answer is A I’m pretty sure lol
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2 years ago
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