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Why were you able to observe electrolysis in the cabbage juice indicator solution before any vinegar was added to this solution, while no electrolysis was observed in distilled water?
What was the color and approximate pH of the cabbage juice indicator solution when a small amount of vinegar was added? What was the resulting color and approximate pH of the solution after two or three minutes of attempted electrolysis? What does this indicate about the reactions taking place?
Write the chemical equation for the entire combustion of heptane, C 7 H 16 . The heat of combustion for heptane is 4817 kJ/mol. How much heat could be released if 250 kg of hept
Pauli's exclusion principle states that: (1) Two electrons in the same atom can have the same energy (2) Two electrons in the same atom cannot have the same spin (3) The
how many laws of crystallography?
Cross linked polymers : 1. These are polymers where monomers unit are crosslinked together to make a three dimensional network polymers. 2. These kind of polymers are hard,
how can we calculate it?
Phosphate of a metal M has the formula M 3 (PO 4 ) 2 The formula for its sulphate would be: (1) MSO 4 (2) M (SO 4
What are the distinguishing characteristics of metallic bonding? The metallic state can be imagine as an array of positive ions, with a common pool of electrons to which all th
Find the number of intensive variables? Consider the lime-kiln process CaCO 3 (s) → CaO (s) + CO 2 (g) Find the number of intensive variables that can be varied independen
Q. What do you mean by Fusion Reactors? Ans. It is pretty difficult to achieve fusion in the laboratory. A lot of energy is needed to initiate the fusion process and the
Q. Determine Infrared moisture balance in flour? Infrared moisture balance is an instrument for measuring the moisture content of materials that do not change their chemical
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