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ANEK [815]
3 years ago
9

I will give u 50 points if u help me

Chemistry
2 answers:
WITCHER [35]3 years ago
7 0
14) gas to liquid to solid
15)chlorine displaces bromine from potassium bromide
16) non-metals
6)vertical
7)similar properties
8)there are patterns
10)decrease
11)very reactive
12) hydrogen
18)lower density than air
19)better insulator
20)metalloids
Fofino [41]3 years ago
6 0

Answer:

a b a

Explanation:

jayfeather friend me

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Shkiper50 [21]
The catabolism of glucose has an equation of C6H12O6 + 6O2 = 6CO2 +6 H20. Hence for every mole of glucose, 6 moles of CO2 is produced. Given 22 grams of CO2, that is 0.5 mol CO2, we multiply this by 1/6, we get the number of moles of glucose equal to 1/12 mol. The mass of glucose needed is obtained by multiplying this by molar mass of glucose which is 180 g/mol. This is equivalent 15 grams of glucose.
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Which best describes a heterogeneous mixture? 0 A table salt and water O B. alcohol and water O C. oil and vinegar O D. hot tea
Oksi-84 [34.3K]

Answer:

oil and vinegar

the rest would mix well so you can't determine the individual components

Explanation:

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3 years ago
Water supplies are often treated with chlorine as one of the processing steps in treating wastewater. Estimate the liquid diffus
jekas [21]

Answer:

⇒D_AB= 1.21×10^(-9)

Explanation:

Wike chang  equation is given as:

D_{AB}= \frac{117.3\times10^{-18}\times\(\phi\times M_B)^{0.5}\times T}{\mu\times\nu^{0.6}}

Where

D_AB= diffusivity of chlorine in water

Φ= 2.26 for water as solvent

ν= 0.0484 for chlorine as solute

M_B = Molecular weight of water

τ= temperature=289 K

μ= viscosity = 1.1×10^{-3}

Now putting these values in the above equation we get

D_{AB}= \frac{117.3\times10^{-18}\times\(\2.26\times18)^{0.5}\times289}{\1.1\times10^{-3}\times\0.0484^{0.6}}

⇒D_AB= 1.21×10^(-9)

7 0
3 years ago
Read 2 more answers
Perform the following calculations. Express the answers with the correct number of significant figures.
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Since there are no conversions to be done just add them as is
a) 1 g
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7 0
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Choose the letter that best describes the behavior of a substance during a phase change:
velikii [3]

Answer:

/D/ either absorbs or releases energy

Explanation:

During a phase change energy is either absorbed or released.

A phase change is a reversible process which occurs when a substance changes is its state from one form to another.

Phase changes are used to delineate physical changes.

  • A phase diagram provides a graphic representation of the change.
  • The diagram can be 2 dimensional or 3 dimensional.
3 0
3 years ago
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