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Sphinxa [80]
3 years ago
15

Type the appositive phrase in this sentence. "cookies with chocolate chunks," the winning recipe, received $100.

Chemistry
1 answer:
Ymorist [56]3 years ago
5 0
Answer is: <span>the winning recipe.
</span>An appositive is a noun<span> or </span>noun phrase<span> that renames another noun right beside it. The appositive can be a short or long combination of words.
</span>Another example: Problem number 19, the final question, was difficult - the final question is<span> the appositive phrase in this sentence.</span> 
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Concentration=mass/volume.

This should help.
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3 years ago
Chloroform, CHCl3, reacts with chlorine, Cl2, to form carbon tetrachloride, CCl4, and hydrogen chloride, HCl. In an experiment 2
erastovalidia [21]

Answer:

Chloroform= limiting reactant

0.209mol of CCl4 is formed

And 32.186g of CCl4 is formed

Explanation:

The equation of reaction

CHCl3 + Cl2= CCl4 + HCl

From the equation 1 mol of

CHCl3 reacts with 1mol Cl2 to yield 1mol of CCl4

From the question

25g of CHCl3 really with Cl2

Molar mass of CHCl3= 119.5

Molar mass of Cl2 = 71

Hence moles of CHCl3= 25/119.5 = 0.209mol

Moles of Cl2 = 25/71 = 0.352mol

Hence CHCl3 is the limiting reactant

Since 1 mole of CHCl3 gave 1mol of CCl4

It implies that 0.209moles of CHCl3 will also give 0.209mol of CCl4

Mass of CCl4 formed = moles× molar mass= 0.209×154= 32.186g

6 0
3 years ago
Filtration, or screening, is one way to separate certain mixtures, as shown in the image. Which of these mixtures could be most
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Answer: D

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3 0
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The half life for the decay of carbon-14 is 5.73 x 10 years. Suppose the activity due to the radioactive decay of the carbon-14
Elena-2011 [213]

Answer:

Age of the atifact is 4.2\times 10^{2} years

Explanation:

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  • A_{t} represents activity of radioactive nuclide after t time, A_{0} represents initial activity of radioactive nuclide and t_{\frac{1}{2}} represents half-life
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Plug-in all the given values in the above equation-

19=20\times (\frac{1}{2})^{\frac{t}{5.73\times 10^{3}}}

or, t=4.2\times 10^{2}

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6 0
3 years ago
Explain what would happen to the air temperature at Riverdale School over the course of the
Ira Lisetskai [31]

Answer:

In each Amplify Science unit, students figure out

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Explanation:

7 0
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