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Ratling [72]
3 years ago
14

PLZ GO TO MY PAGE ND ANSWER MY QUESTIONS BOUT CHEMISTRY DUE TMMR HELP ASAP

Chemistry
1 answer:
NemiM [27]3 years ago
8 0

Answer:

Sorry mujhe nahi aata...

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the scientific law of conservation of mass states that the total amount of mass in an isolated system remains constant. This mea
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Which object forms when a supergiant explodes
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black hole

hope it helps

edit: neutron star

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240 g of water (specific heat = 4.186 J/g°C, initial temperature = 20°C) is mixed with an
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The answer for this would be 69.6
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3 years ago
3. A student carries out the clay-catalyzed dehydration of cyclohexanol starting with 10 moles of cyclohexanol and obtains 500 m
IrinaK [193]

Answer:

49.45~%

Explanation:

In this case, we have to start with the <u>chemical reaction</u>:

C_6H_1_2O~->~C_6H_1_0~+~H_2O

So, if we start with <u>10 mol of cyclohexanol</u> (C_6H_1_2O) we will obtain 10 mol of cyclohexanol (C_6H_1_0). So, we can calculate the grams of cyclohexanol if we<u> calculate the molar mass:</u>

(6*12)+(10*1)=82~g/mol

With this value we can calculate the grams:

10~mol~C_6H_1_0\frac{82~g~C_6H_1_0}{1~mol~C_6H_1_0}=820~g~C_6H_1_0

Now, we have as a product 500 mL of C_6H_1_0. If we use the <u>density value</u> (0.811 g/mL). We can calculate the grams of product:

500~mL\frac{0.811~g}{1~mL}=405.5~g

Finally, with these values we can calculate the <u>yield</u>:

%~=~\frac{405.5}{820}x100~=~49.45%%= (405.5/820)*100 = 49.45 %

See figure 1

I hope it helps!

6 0
3 years ago
The tiny particles of elements are called atoms.<br> True<br> False
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Answer:

Hi there!

The answer to this question is: True

Atoms make up an element

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