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AveGali [126]
3 years ago
7

In a saturated fatty acid, every carbon atom is saturated with __________.

Chemistry
1 answer:
marta [7]3 years ago
8 0
Carbon atoms are saturated with (surrounded by) Hydrogen atoms
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Liquid sodium is being considered as an engine coolant. How many grams of liquid sodium (minimum) are needed to absorb 1.20 MJ 1
mars1129 [50]

Answer : The mass of liquid sodium needed are, 3.17\times 10^3g

Explanation :

First we have to calculate the number of moles of liquid sodium.

q=n\times c\times (\Delta T)

where,

q = heat absorb = 1.20 MJ = 1.20 × 10⁶ J

n = number of moles of liquid sodium = ?

c = specific heat capacity = 30.8J/mol.K

\Delta T = change in temperature = 10.0^oC=273+10.0=283K

Now put all the given values in the above formula, we get:

1.20\times 10^6J=n\times 30.8J/mol.K\times 283K

n=137.7mol

Now we have to calculate the mass of liquid sodium.

Molar mass of Na = 23 g/mol

\text{Mass of Na}=\text{Moles of Na}\times \text{Molar mass of Na}

\text{Mass of Na}=137.7mol\times 23g/mol=3167.1g=3.17\times 10^3g

Therefore, the mass of liquid sodium needed are, 3.17\times 10^3g

3 0
4 years ago
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