3 years ago

Please help with this chem problem

Chemistry

1 answer:

Alenkasestr [34]3 years ago

6 0

Okay , so on Google this question will pop up if you look up minimilizing conduction explain.

Explanation:

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aev [14]

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3 years ago

Liquid sodium is being considered as an engine coolant. How many grams of liquid sodium (minimum) are needed to absorb 8.60 MJ o

Alecsey [184]

Answer: $64.216\times 10^4grams$ of liquid sodium is required.

Explanation: To calculate the mass of liquid sodium, we use the formula:

$q=nc\Delta T\\q=\frac{m}{M}c\Delta T$

where,

q = heat required, $8.60MJ=8.60\times 10^6J$ (Conversion factor: 1MJ = 1000000J)

m = Mass of liquid sodium, $?g$

M = Molar mass of liquid sodium, $23g/mol$

c = Specific heat capacity, $30.8J/Kmol$

$\Delta T$ = change in temperature, $\Delta T=(510-500)K=10K$ (Conversion factor: 0°C = 273K)

Putting values in above equation, we get:

$8.60\times 10^6J=\frac{m}{23g/mol}\times 30.8J/Kmol\times 10K$

$m=64.216\times 10^4grams$

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3 years ago

If the molar mass of the compound in problem 1 is 110 grams/mole, what is the molecular formula? With work?

tatyana61 [14]

C6H6O2 is the answer

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3 years ago

The freezing of water at 0° can be represented as follows h2o(1) <->h2o(5)

nordsb [41]

Is this true or false? the answer is false

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3 years ago

A neutral atom possesses an atomic number of 13 and an atomic mass of 27. Three electrons are lost. From what region of the atom

MAVERICK [17]

From the outer or highest energy shell.

The atomic number 13 implies this electronic configuration 1 s2 2s2 2p6 3s2 3p1.

There are three electrons in the outer shell (3s2 3p1)which are those that the atom can loose more easily (precisely for having the higher energy or being farther from the nucleus)

6 0

3 years ago

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