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miss Akunina [59]
3 years ago
14

Some coastal regions of the world have cooler summers and warmer winters than inland regions at the same latitude. What accounts

for this difference in climates? A. Coastal areas receive more sunlight. B. The ocean moderates air temperatures. C. Prevailing winds moderate the weather. D. Coastal areas are always flat.
Chemistry
2 answers:
inn [45]3 years ago
8 0

Answer:

B. The ocean moderates air temperatures

Explanation:

  • The coastal regions of the world have a mild climate as they are near to the shores of the sea or ocean bodies and experience the flow of the sea and the land breezes that moderates the atmospheric conditions.
  • Thus a place on a place that experiences cool summers and warm winters is due to the impacts of the winds and the ocean currents.
  • <u>The heat of water does not go away easily than that of the landmasses and the place located near the coasts don't have temperatures extremes do the interior of landmass as they are far away. </u>

Ostrovityanka [42]3 years ago
7 0
I think its B.the ocean moderates air temperatures correct me if I’m wrong
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The reaction A2 + 2 B → 2 BA is thought to occur by the following mechanism:
adelina 88 [10]

Answer:

c. Z is a catalyst, and ZA2 and A are reaction intermediates.

Explanation:

Overall reaction is given as;

A2 + 2 B → 2 BA

Mechanism:

Step 1: A2 + Z → ZA2

Step 2: ZA2 + B → BA + Z + A

Step 3: A + B → BA

The options given are centered upon catalysts and reaction intermediates. So before proceeding, we have to understand the difference between the two and how to identify them.

A catalyst is basically a reaction booster to speed up the rate of the reaction and the reaction intermediate is an unstable, temporl species formed from the reactants before getting to the products.

The difference is given as;

Catalysts are present as reactants in the very beginning and products at the end of the reaction.

Intermediates, on the other hand, are not present in the initial reaction but are produced within one of the steps and then consumed within another step.

Following the above, we can deduce that;

Z is a catalyst because it is present as a reactant in the beginning.

ZA2 and A are a reaction intermediates because they are not present in the overall reaction but are produced and consumed in one of the steps.

Correct option is given as;

c. Z is a catalyst, and ZA2 and A are reaction intermediates.

8 0
3 years ago
Unknown element has two isotopes. Isotope A has a mass of 34 amu and abundance of 52%, isotope B has a mass of 33 amu and abunda
ZanzabumX [31]

Answer:

x = 33.52 amu

Explanation:

It is given that,

Isotope A has a mass of 34 amu and an abundance of 52%, isotope B has a mass of 33 amu and an abundance of 48%.

Let x is the average atomic mass of this element. It can be calculated as follows :

x=52\%\ \text{of}\ 34+48\%\ \text{of}\ 33\\\\x=\dfrac{52}{100}\times 34+\dfrac{48}{100}\times 33\\\\x=0.52\times 34+0.48\times 33\\\\x=33.52\ \text{amu}

So, the average atomic mass of this element is 33.52 amu.

4 0
3 years ago
Please help !! no links !!
Greeley [361]

Answer:

Explanation:

Option B volume is the correct answer

5 0
2 years ago
How did Mendeleev arrange the known elements?
Agata [3.3K]
In order of relative atomic mass.
4 0
3 years ago
Read 2 more answers
select all that apply... Which of the following have energy stored as chemical energy? nuclear...petroleum...biomass...geotherma
d1i1m1o1n [39]
<span>Petroleum and biomass are burned in combustion reactions, which liberate energy stored in chemical bonds. This is chemical energy. In contrast, nuclear energy comes from the conversion of mass into energy when an nuclear reaction occurs. Geothermal energy comes directly from heat sources underground, with no chemical or nuclear reactions.</span>
6 0
3 years ago
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