3 years ago

This is dimensional analysis-

Chemistry

1 answer:

Hatshy [7]3 years ago

3 0

I do t know but I will find out

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A diesel truck produces 47.5kJ of useful output energy from 125kJ of diesel fuel.what is the truck efficiency?.show the solution

Alex Ar [27]

You have to do a report :
$\frac{E_f}{E_i} = \frac{47,5}{125} = 0,38$

So the truck efficiency is 38%.

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3 years ago

What weight of sodium hydroxide will react with 73 gram of hydrogen chloride gas at NTP to Produce 117.0 gram of Nacl and 36 gra

Wewaii [24]

Let's write the equation

$\\ \sf\longmapsto {NaOH\atop ?}+{HCl\atop 73g}\longrightarrow {NaCl\atop 117g}+{H_2O\atop 36g}$

According to law of conservation of mass .

Mass of products=Mass of reactants

Let required value be x

$\\ \sf\longmapsto x+73=117+36$

$\\ \sf\longmapsto x+73=153$

$\\ \sf\longmapsto x=153-73$

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3 years ago

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Bubbles in soda rise to the surface. Explain this in terms of density.

algol [13]

Answer:

Bubbles are comprised of gases, which have a lesser density than water. Since they are less dense, they get pushed up to the surface, and they rise, lighter than the liquid around them. This is just like helium in air; helium is lighter than air, so it rises, pushed to the top by the pressure around it.

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3 years ago

Which functional group is found in an ESTER?

Zielflug [23.3K]

Answer:

its hydroxy and alkoxy

Explanation:

ester is mainly formed by substitution reaction of carboxylic acid and alcohol

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A salad is an example of a mixture that is ... Mixed

melomori [17]

Heterogeneous Mixture

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