Peanut oil contains a high percentage of monounsaturated triacylglycerols (having acyl chains with only one double bond), whereas vegetable oil contains a higher percentage of polyunsaturated triacylglycerols (having acyl chains with more than one double bond). a bottle of peanut oil and a bottle of vegetable oil are stored in a pantry with an outside wall. during a cold spell, the peanut oil freezes but the vegetable oil remains liquid. explain why.

On other hand, higher percentage of polyunsaturated triacylglycerols (having acyl chains with more than one double bond), as in case of vegetable oil, have single or multiple double bonds in tandem. Due to these bonds, the successive layers of vegetable oils are not able to properly align with respect to adjacent layers. Hence, they low melting points. Due to this,  they remain liquid state, even in cold conditions. 

it is to be noted that an alpha particle is an helium nucleus. so it contains 2 protons 2 neutrons and has a mass number of 4. when alpha decay particles are ejected from the nucleus it gets transformed into an atom which has atomic number less than 2 and a mass number less than 4.

an equation that could represent alpha decay is radium 226 decay of alpha particle forms radon 222.

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