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musickatia [10]
3 years ago
7

Explain, in full sentences, in terms of heat transfer (what type of heat transfer /how do you know?) AND specific heat (why copp

er?), why a chef would use a copper bottomed skillet to quickly heat up oil and pan sear scallops? Use the data in the table to help you answer.
Chemistry
1 answer:
Hatshy [7]3 years ago
5 0
Yes copper and the data in the table
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The magma from a volcano is cooled
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3 years ago
Read 2 more answers
What is the molecular formula of a compound that has a molecular mass of 54 and the empirical formula is C2H3
iren [92.7K]
To find the molecular formula from the empirical formula, you need to find a multiple (x) that will give you the molar mass of the compound which in the question is 54 g/mol.

If C₂H₃ is the empirical formula
 molar mass of empirical formula = (12 × 2) + (1 × 3) g/mol
                                                     =  27 g/mol
let x = multiple
let molecular formula = C₂ₓ H₃ₓ

            multiple = molecular mass ÷ empirical mass
                         =  54 g/mol ÷  27 g/mol
                         =  2


If molecular formula = C₂ₓ H₃ₓ

then molecular formula = C₂₍₂₎H₃₍₂₎

                                      = <span>C₄H</span>₆

8 0
2 years ago
20 points
Rom4ik [11]

the answer is aaaaaaaaaaaaaaaaaaaaaaa

5 0
2 years ago
Calculate the molarity when 14.6 g Ethanol (C2H5OH) is dissolved in a 2.10 L solution
fiasKO [112]

Answer:

0.15 M

Explanation:

14.6/46.07g/mol = 0.316 mol Ethanol.

0.316/2.1= 0.15 M

5 0
2 years ago
Compound EX4 reacts with Y2 giving two products: EX Y and XY. Calculate the E- X bond enthalpy if the reaction liberates 243.6 k
djyliett [7]

Answer:

Option B

Explanation:

From the question we are told that:

Equation

EX_4+Y_2->EX_3Y+XY

Bond enthalpies are:

 Y-Y 109 kJ/mol,

X-Y 123.1 kJ/mol  

E-Y 290 kJ/mol.

Generally the equation for the energy used to break E-X and Y-Y is mathematically given by

 E_2=109+x

Therefore

Total Energy Liberated is

 E_T=E_1+E_2

 E_T=413.1+109+x

 E_T=304.1-x

Since

  E_T+E_I

Therefore

 304.1-x=243.6

 x=60.5kJ/mol

Option B

6 0
3 years ago
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