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4 years ago

Use the periodic table to determine the electron configuration for Cl and Y in noble-gas notation.

Chemistry

2 answers:

geniusboy [140]4 years ago

5 0

this is the answer ---------[Ne]3s23p5

juin [17]4 years ago

3 0

The answer to your question is D.

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An aqueous solution of sodium hydroxide is standardized by titration with a 0.198 M solution of perchloric acid. If 17.5 mL of b

baherus [9]

Answer:

The molarity of sodium hydroxide solution is 0.172 M

Explanation:

Step 1: Data given

Molarity of perchloric acid (HClO4) = 0.198 M

Volume of HClO4 = 15.2 mL = 0.0152 L

Volume of NaOH = 17.5 mL = 0.0175 L

Step 2: The balanced equation

HClO4 + NaOH → NaClO4 + H2O

Step 3: Calculate molarity of the sodium hydroxide solution

a*Cb*Vb = b*Ca*Va

⇒with a = the coefficient of HClO4 = 1

⇒with Cb = the molarity of NaOH = TO BE DETERMINED

⇒with Vb = the volume of NaOH = 0.0175 L

⇒with b = the coefficient of NaOH = 1

⇒with Ca = the molarity of HClO4 = 0.198 M

⇒with Va = the volume of HClO4 = 0.0152 L

Cb*0.0175 = 0.198 * 0.0152

Cb = 0.172 M

The molarity of sodium hydroxide solution is 0.172 M

5 0

3 years ago

Which factor most influenced the economic

Vikki [24]

It was by far "warm and wet growing seasons" that was the most important factor in terms of the South's economic development. Cotton and tobacco were the biggest exports.

Explanation:

These crops created tons of cash, had massive markets round the world, however required a stable and enormous hands to grow and harvest them.The yank South is understood for its long, hot summers, and wealthy soils in stream valleys creating it a perfect location for growing cotton. the various southern seaports and riverside docks allowed shipping cotton to remote destinations. By 1860, Southern plantations equipped seventy fifth of the world's cotton, with shipments from Houston, city, Charleston, Mobile, Savannah, and some different ports. The unquenchable European demand for cotton was a results of the commercial Revolution that created the machinery and factories to method raw cotton into vesture that was higher and cheaper than hand-made product.

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4 years ago

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Tails of phospholipids that don't like water

densk [106]

Those tails are called hydrophobic. You can note the etymology: hydro= water, phobi = fear, aversion, dislike.

Phospholipds' tail is a long non polar chain, made of Carbon and Hydorgens, that rejects water (a polar solvent) and is attracted to non-polar compounds (oil for example). That is why that tails can atract dirt.

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3 years ago

Process of moving layers of rock by heating and cooling A: slab pull B: convection C: ridge push

dedylja [7]

The answer is B.... convection

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3 years ago

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. Which characteristic of water will allow a paperclip to remain floating on water when the paperclip is gently placed on top of

Len [333]

Answer:

The answer is surface tension.

Explanation:

The high surface tension helps the paper clip - with much higher density - float on the water. The cohesive forces between liquid molecules are responsible for the phenomenon known as surface tension. hope this helps :)

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3 years ago