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Alexxx [7]
4 years ago
7

How are the geographical equator, meteorological equator, and ITCZ related? What happens at the ITCZ?

Chemistry
1 answer:
scoray [572]4 years ago
4 0
The ITCZ<span> or </span>Intertropical Convergence Zone<span> is a region on Earth that experiences ... The </span>ITCZ<span> lies near the </span>equator<span>, bringing precipitation caused by convection. ... </span>Related<span>. The Poetry of Sailors: What Are Doldrums and Trade Winds</span>
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The freezing point of ethanol, CH3CH2OH, is -117.300 °C at 1 atmosphere. Kf(ethanol) = 1.99 °C/m
MAXImum [283]

Answer : The molecular weight of this compound is 891.10 g/mol

Explanation :  Given,

Mass of compound = 12.70 g

Mass of ethanol = 216.5 g

Formula used :  

\Delta T_f=i\times K_f\times m\\\\T_f^o-T_f=i\times T_f\times\frac{\text{Mass of compound}\times 1000}{\text{Molar mass of compound}\times \text{Mass of ethanol}}

where,

\Delta T_f = change in freezing point

T_f^o = temperature of pure ethanol = -117.300^oC

T_f = temperature of solution = -117.431^oC

K_f = freezing point constant of ethanol = 1.99^oC/m

i = van't hoff factor = 1   (for non-electrolyte)

m = molality

Now put all the given values in this formula, we get

(-117.300)-(-117.431)=1\times 1.99^oC/m\times \frac{12.70g\times 1000}{\text{Molar mass of compound}\times 216.5g}

\text{Molar mass of compound}=891.10g/mol

Therefore, the molecular weight of this compound is 891.10 g/mol

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3 years ago
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B) The group the atom is located

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6 0
3 years ago
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How much heat is required to convert 90. g of ice at -4.0 C to water vapor (steam) at 110 C
lakkis [162]

Answer:  How much heat is required to convert 29 g of ice at -4.0 ˚C to water vapor at 105 ˚C (report your answer to three significant figures)? Answer all five parts, showing your detailed calculations: i) Heat to warm ice from -4.0 to 0 oC: ii) Heat to convert ice to liquid: iii) Heat to warm liquid to boiling: iv) Heat to convert liquid to gas

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Explanation:

e

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3 years ago
The ____________ is inversely proportional to the wavelength and reported in reciprocal centimeters (cm−1). A technique used for
san4es73 [151]

Answer:Please see below in the explanation column for answers

Explanation:

-The WAVENUMBER____________ is inversely proportional to the wavelength and reported in reciprocal centimeters (cm−1).

- A technique used for measuring the molecular weight and determining the molecular formula of an organic molecule is __MASS SPECTOMETRY__________ .

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3 years ago
In this experiment, you will use a natural indicator to indirectly determine the H+ concentration of some common household solut
valentinak56 [21]

Some of the scientific questions that may be answered through the experiment are:

(1) What are the physical changes that may occur in the solution or the indicator when added with acidic/basic solution?

(2) How much of the indicator is needed in order to bring about a significant physical change in the solution to identify its H+ concentration?

if wrong i sry :(

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