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SSSSS [86.1K]
4 years ago
12

The Earth's circumference around the equator is slightly bulged as compared to the circumference around the poles. if the circum

ference around earth's equator is 29,902 miles, what is this in Mm?​
Chemistry
1 answer:
Igoryamba4 years ago
5 0
The earth in m is 510
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The rate of decomposition of N2O5 in CCl4 at 317 K has been studied by monitoring the concentration of N2O5 in the solution. 2 N
pav-90 [236]

Answer:

Average rate of reaction is 0.000565 M/min

Explanation:

Applying law of mass action for the given reaction:

Average rate = -\frac{1}{2}\frac{[N_{2}O_{5}]}{\Delta t}=\frac{1}{4}\frac{\Delta [NO_{2}]}{\Delta t}=\frac{\Delta [O_{2}]}{\Delta t}

Where, -\frac{1}{2}\frac{[N_{2}O_{5}]}{\Delta t} represents average rate of disappearance of N_{2}O_{5}, \frac{1}{4}\frac{[NO_{2}]}{\Delta t} represents average rate of appearance of NO_{2} and \frac{[O_{2}]}{\Delta t} represents average rate of appearance of O_{2}

Here,-\frac{[N_{2}O_{5}]}{\Delta t} = -\frac{(2.16-2.36)}{(177-0)}M/min=0.00113M/min

So average rate of reaction = [tex]-\frac{1}{2}\frac{[N_{2}O_{5}]}{\Delta t}[/tex] = \frac{1}{2}\times (0.00113M/min)=0.000565M/min

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3 years ago
GUYS PLEASE HELP ME I BEG YOU
Hoochie [10]

Answer:

an object is a rest upon a table

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3 years ago
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If anyone can answer all these questions you can get 35 points
torisob [31]

Answer:

6) 225.8 g

7) 1.01 g

8) 21.624 g

Explanation:

6) Molar Mass of Lithium Bromine: 86.845

86.845 * 2.6 = 225.8 g

7) Molar Mass of Neon: 20.180

20.180 * 0.05 = 1.01 g

8) Molar Mass of Water Vapor: 18.02

18.02 * 1.2 = 21.624 g

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3 years ago
How a convection current can enable a hawk or eagle to soar upward without flapping its wing 
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The convection current is one of hot air rising, in this example, and then cooling and returning down. The rising air pushes the eagle up higher into the air. It just has to spread its wings and let the air push it into the air
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3 years ago
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In this lab, you are to carry out the formation of a Grignard reagent from 1-bromo-benzene andits subsequent reaction with solid
yan [13]

Answer:

(A). C6H5Br + Mg(in ether) -----------> C6H5MgBr.

(B). C6H5MgBr + O = C = O -----------> C6H5-COO^- Mg^+ Br.

(C). C6H5-COO^- Mg^+ Br + HCl --------> C6H5-COOH + Mg^+Br(OH).

PRODUCTS=> C6H5-COOH and Mg^+Br(OH).

Explanation:

A Grignard reagent is a reagent that/which is an organometallic compound that is R -Mg- X. The R = alkyl, vinyl or allyl and the X = halogens.

It must be noted that an important reaction of Grignard reagent is its reaction with compounds containing the Carbonyl that is -CO functional group and this kind of Reaction is known as a Grignard Reaction.

So, in this question we are told that;

=> "1-bromo-benzene andits subsequent reaction with solid carbon dioxide (CO2) followed by acidic workup (using HCl asthe acid). "

Thus;

(A). C6H5Br + Mg(in ether) -----------> C6H5MgBr.

(B). C6H5MgBr + O = C = O -----------> C6H5-COO^- Mg^+ Br.

(C). C6H5-COO^- Mg^+ Br + HCl --------> C6H5-COOH + Mg^+Br(OH).

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4 years ago
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