We are given with an element Iron, Fe, with a mass of 235.45 g. We are tasked to solve for its corresponding molar mass in mol. We need to find first the molecular weight of Iron, that is
Fe= 55.845 g/mol
With 235.45 g sample, its corresponding mol is
mol Fe= 235.45 g x 1 mol/55.845 = 4.22 mol Fe
Therefore, molar mass of Iron is 4.22 mol
Answer:
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Explanation:
because solid and liquid can compress easily
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Answer:
Pressure = 1820 mmHg ... T = ( 2.39atm x 5.12L ) / ( 0.4041 moles x 0.08206atm. ... n is moles, R is the gas constant, and T is temperature in Kelvins.
Explanation:
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Chemical energy is kept inside the bonds that are connected to withatoms with other atoms and molecules with other molecules.
Because chemical energy is kept in likestorage. It is an shape of potential energy.
When a chemical reaction takes place, the stored chemical energy is let out.
The fourth option is correct. Energy is transferred from the fire to the pot, and then to the water, and then to the peas.
