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Nezavi [6.7K]
3 years ago
12

Which of the following is not true regarding gases? A. When the temp of a gas decreases its volume increases if the pressure is

held constant. B. Equal volumes of gases at the same temp and pressure contain the same numbers of molecules C. The molecules of gas are in constant motion.
Chemistry
1 answer:
iVinArrow [24]3 years ago
6 0
The answer is B, since some gas molecules are much larger than others.
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What does erosion do?
Westkost [7]
I think the answer is A. breaks rocks apart. 
8 0
3 years ago
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4.80 x 10^25 formula units pf calcium iodide (Cal2) will have what mass?
maw [93]

Answer:

mass CaI2 = 23.424 Kg

Explanation:

From the periodic table we obtain for CaI2:

⇒ molecular mass CaI2: 40.078  + ((2)(126.90)) = 293.878 g/mol

∴ mol CaI2 = (4.80 E25 units )×(mol/6.022 E23 units) = 79.708  mol CaI2

⇒ mass CaI2 = (79.708 mol CaI2)×(293.878 g/mol) = 23424.43 g

⇒ mass CaI2 = 23.424 Kg

7 0
3 years ago
Classify the below solids as amorphous or crystalline. emerald glass MgCl, rubber​
svet-max [94.6K]

Answer:

Here yo

Explanation:

6 0
2 years ago
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Explain why the C―Ha bond is much more acidic than the C―Hb bond in pentan-2-one. Select the single best answer. 253 Ha is less
mafiozo [28]

Answer:

Ha is more acidic than Hb because loss of Ha forms a resonance-stabilized conjugate base.

Explanation:

The carbon atom that is next to the carbonyl group in pentan-2-one is known as the alpha carbon atom, this carbon atom bears the Ha, the alpha hydrogen atoms.

Ha is more acidic than Hb because, loss of Ha leads to the formation of a resonance stabilized enolate ion. This resonance stabilization of the ion formed makes loss of Ha an easier process than loss of Hb, hence the answer above.

3 0
3 years ago
Define equilibrium.<br><br> plz and thxxx
Serggg [28]

Answer:

Equilibrium is the state of balance. Where opposing forces cancel each other out and no changes are occurring.

<em>Good luck, hope this helps :)</em>

5 0
2 years ago
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