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3 years ago

Based on Reference Table I, the formation of 1 mole of which of the following substances releases the greatest amount of energy?

Chemistry

2 answers:

Karolina [17]3 years ago

5 0

D...........................nmdndjdjs. .......nznskaia

Gala2k [10]3 years ago

3 0

I think it’s D for your answer choice !

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Which statement below matches the correct response with the proper reasoning when comparing the volatility of CH2Cl2 with CH2Br2

Nutka1998 [239]

Answer:

b. CH₂Cl₂ is more volatile than CH₂Br₂ because of the large dispersion forces in CH₂Br₂

Explanation:

CH₂Cl₂ is more volatile than CH₂Br₂ (b.p of CH₂Cl₂ = 39,6 °C; b.p of CH₂Br₂ = 96,95°C). Thus, c. and d. are FALSE

Dipole-dipole interactions in CH₂Cl₂ are greater than the dipole-dipole interactions in CH₂Br₂ because Cl is more electronegative that Br (Cl = 3,16; Br = 2,96). But this mean CH₂Cl₂ is less volatile than CH₂Br₂ but it is false.

There are large dispersion forces in CH₂Br₂ because Br has more electrons and protons than Cl. Large disperson forces mean CH₂Br₂ is less volatile than CH₂Cl₂ and it is true.

I hope it helps!

5 0

3 years ago

Which number is equal to the number of protons in the atom?

umka2103 [35]

Answer:

Number of electron

Explanation:

8 0

3 years ago

A BLANK can be separated by filtration

gizmo_the_mogwai [7]

A solid from the liquid it suspends can be separated by filtration.

4 0

3 years ago

The chemical equation shown represents photosynthesis.

nordsb [41]

Answer:

Explanation:

Photosynthesis is usually represented by the equation Carbon dioxide + water + light --> glucose + oxygen.

Therefore, A substance is water and B is glucose

A is incorrect because it's talking about glucose

B is incorrect because it's talking about chlorophyll, the important pigment in photosynthesis

D is incorrect because it combines to form oxygen, not hydrogen

3 0

3 years ago

Read 2 more answers

Marigold, Inc. uses activity-based costing as the basis for information to set prices for its six lines of seasonal coats.

agasfer [191]

Answer:

Designing= $42 per designer hour

Sizing and cutting= $26.85 per machine hour

Stitching and trimming= $17.75 per labor hour

Wrapping and packing= $10.5 finished unit

Explanation:

To calculate the activity-based overhead rates, we need to use the following formula:

Predetermined manufacturing overhead rate= total estimated overhead costs for the period/ total amount of allocation base

Designing= 445,200/10,600= $42 per designer hour

Sizing and cutting= 4,081,200/152,000= $26.85 per machine hour

Stitching and trimming= 1,491,000/84,000= $17.75 per labor hour

Wrapping and packing= 346,500/33,000= $10.5 finished unit

8 0

3 years ago