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3 years ago

A scientist conducts a experiment to determine

Chemistry

1 answer:

barxatty [35]3 years ago

7 0

Answer:

A scientist conducts an experiment to determine the rate of the following reaction: N2(g) + O2(g) ? 2NO(g)

Explanation:

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Write a balanced equation for the combustion of hexane, C6H14 (l)

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6th Grade Science question on Mass, Volume, and Density!! I've tried and tried and I can't figure it out!

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How many covalent bonds are the in a molecule of cyclohexane?

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3 years ago

Read 2 more answers

two perfumes A and B were released at the same time and you are standing 7.5metres away from both of them.molarmass of perfume A

kifflom [539]

17.40 sec is the time will take to smell second perfume after diffusion takes place

Acc. to Graham's law of Diffusion

Diffusion of Gas inversely proportional to square root of its Molecular mass.

<u>rb (Perfume B)</u>

ra(perfume A)

= $\sqrt{\frac{Ma}{Mb} }$ its equation (1)

Give molar mass of Perfume A = 275 g/mol

molar mass of Perfume B= 205g/mol putting value in (1)

» $\frac{rb}{ra}=\sqrt{\frac{275}{205} }$

$\frac{rb}{ra} =1.16$ <em> its eq (2)</em>

» Perfume B will defuse 1:16 times faster than perfume A.

Hence, perfume B will be first smelled by Person.

Sf Equal volume V of two goes diffuse in t1 and t2 sec. respectively ton

$\frac{ra}{rb}=\frac{tb}{ta}$

Now,, from eq(2) toto

1/1:15 = $\frac{tb}{ta}$

Given tb =the smell of Perfume B as it diffuse faster

ta= 1.15 x 15 see

=ta2=17.40 sec

Learn more about diffuse here

brainly.com/question/3266850

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1 year ago

HeLppP asap I’ll mark you as brainlister

andrezito [222]

Answer:

It's A

Explanation:

It starts as one molecule and splits into two which is the definition of a decomposition reaction

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3 years ago