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Kobotan [32]
3 years ago
15

Which of the following describes an impact of the specific heat of water on the planet?

Chemistry
1 answer:
Maru [420]3 years ago
3 0

Answer:

Islands and coastal places have moderate pleasant climates.

Explanation:

The specific heat of water is high as compared to most common substances. The high specific heat means that it takes lot of time to heat the water. As a consequence in coastal areas, during day, the land gets heated quickly than water.

The air above land gets heated up and due to low density, rises. The air above water which is cool rushes to take its place. The wind moves sea towards land- sea breeze. At night, the land and air above it is cooler as compared to air above water. The wind blows from land towards sea - Land breeze.

Due to sea breeze and land breeze, islands and coastal places have moderate pleasant climates.

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Calculate the grams of sodium hydroxide formed when 2.24 moles of sodium oxide react with water
Romashka [77]
The balanced reaction is 
Na2O + H2O --> 2NaOH

If 2.24 moles of sodium oxide react, that means 4.48 moles of NaOH is formed as it is a 1 to 2 stoichiometric relationship.

Now we multiply by the molar mass to get grams.

4.48 moles NaOH * (39.997 grams/1 mole) = 179.2 grams

Your answer is 179. grams.
6 0
3 years ago
Given that nitrogen forms three bonds with hydrogen to make <img src="https://tex.z-dn.net/?f=NH_%7B3%7D" id="TexFormula1" title
lbvjy [14]

Answer:

Three hydrogen atoms to form PH₃.

Explanation:

Hello!

In this case, since the elements belonging to the nitrogen family (N, P, As, Sb and Bi) show five valence electrons, because there are five electrons at their outer shell, it is clear that if phosphorous bonds with hydrogen, it is going to require the same amount of oxygen atoms (3) because elements having five valence electrons need 3 bonds in order to attain the octet (5+3=8).

Therefore the compound would be:

PH_3

Which is phosphine.

Best regards!

3 0
2 years ago
The difference in elevation between the highest and lowest contour lines on a topographical map is called:
Elena L [17]
I think the answer is D
7 0
3 years ago
The mineral enargite is 48.41% cu, 19.02% as, and 32.57% s by mass. what is the empirical formula of enargite?
LuckyWell [14K]
Empirical formula is the simplest ratio of whole numbers of components in a compound. 
Assuming for 100 g of the compound 
                                Cu                                 As                             S
mass                      48.41 g                          19.02 g                      32.57 g
number of moles    48.41 / 63.5 g/mol      19.02 / 75 g/mol        32.57 / 32 g/mol 
                                = 0.762 mol                = 0.2536 mol            = 1.018 mol 
divide by the least number of moles 
                               0.762 / 0.2536             0.2536 / 0.2536         1.018 / 0.2536
                               = 3.00                          = 1.00                         = 4.01
once they are rounded off 
Cu - 3
As - 1
S - 4
therefore empirical formula is Cu₃AsS₄
8 0
3 years ago
Read 2 more answers
Assuming the densities are the same as water, calculate the concentration in millimolar (mM) for all three reactant solutions, t
Marina86 [1]

Answer:

foatation

Explanation:

7 0
3 years ago
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