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nirvana33 [79]
3 years ago
14

3 examples of substance that are soluble in water?

Chemistry
2 answers:
sp2606 [1]3 years ago
8 0

Answer:

salt, rocks, blah

Explanation:

JulsSmile [24]3 years ago
4 0

Answer:

<h2><u><em>We call substances that dissolve in water soluble. Sugar and salt are examples of soluble substances. </em></u></h2><h2><u><em>You'll need </em></u></h2><h2><u><em>Transparent containers – test tubes or beakers. </em></u></h2><h2><u><em>Water ( warm and cold ) </em></u></h2><h2><u><em>Substances to try to dissolve eg. sugar, coffee, pepper, sand, flour, salt.</em></u></h2>

Explanation:

<h2><u><em>Hope this helps </em></u></h2>
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My sporty mini van needs 19,126 kJ of energy in order to pass a fast moving street sweeper on the road. Using the following equa
nika2105 [10]

Answer:

m=397.6gC_8H_{18}}

Explanation:

Hello there!

In this case, according to the given chemical reaction, we can set up the heat of reaction per mole of gasoline as shown below:

\Delta H=\frac{-10,990kJ}{2molC_8H_{18}}=-5495\frac{kJ}{molC_8H_{18}}

Now, since the total heat is obtained by multiplying the moles and heat of reaction, we can calculate the moles as shown below:

n=\frac{Q}{-\Delta H } \\\\n=\frac{19,126kJ}{-(-5495\frac{kJ}{molC_8H_{18}} )} \\\\n=3.48molC_8H_{18}}

Finally, since the molar mass of gasoline is 114.22 g/mol, we can easily calculate the mass as follows:

m=3.48molC_8H_{18}} *\frac{114.22gC_8H_{18} }{1molmolC_8H_{18}} } \\\\m=397.6gC_8H_{18}}

Best regards!

8 0
2 years ago
How much does 200 gallons of water weigh?
Jlenok [28]
To be able to obtain the mass of the given volume of a substance, we need data on its density since it is the mass per volume of a substance. We multiply this value to the given volume. For water, it is approximately <span>10.02 lb/gal.

Mass of water = 200 gal ( 10.02 lb/gal ) = 200.4 lb

Hope this helped.</span>
3 0
2 years ago
Acetic acid, CH3CO2HCH3CO2H, is the main organic constituent of vinegar. Draw an electron-dot structure for acetic acid. (The tw
malfutka [58]

Answer: acetic acid structure

Explanation:

In the lewis structure we have 24 valence electrons

Download pdf
7 0
3 years ago
When a piece of metal is irradiated with UV radiation (λ = 162 nm), electrons are ejected with a kinetic energy of 3.54×10-19 J.
dsp73

We have that the work function of the metal

\phi=1.227*10^{-18}J

From the Question we are told that

UV radiation (λ = 162 nm)

Kinetic energy K.E =3.54*10-19 J.

Generally the equation for Kinetic energy    is mathematically given as

KE =\frac{hc}{\pi-\phi} \\\\\phi =\frac{ 6.626*10^{-34} * 3*10^8}{162*10^{-9} -3.54*10^{-19}}

\phi=1.227*10^{-18}J

For more information on this visit

brainly.com/question/12669551?referrer=searchResults

8 0
3 years ago
Ralph's friend invited him to attend a hard rock concert. Ralph did not want to go because he assumed other people who attended
Iteru [2.4K]

Answer:

Prejudice

Explanation:

8 0
3 years ago
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