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If there is a fire accident in an industry, what a safety enginner will do? Ans) Fire engineering is the application of engineering and science principles to protect prope
You are given a sample block of an unknown metal. The block displaces 3.24 mL of water and has a mass of 62.5429 g. What is the density of the unknown metal? What is the metal?
How many ion H2- does have The H2- ion having three electrons. This can be conceived as the combination of a hydrogen atom with a hydride ion (H-). By the aufbau principle, two
The energy of second Bohr orbit of the hydrogen atom is -328 kJ mol-1, hence the energy of fourth Bohr orbit would be: (1) - 41 kJ mol -1 (2) -1312 kJ mol -1 (3) -164
0.47 moles of Sodium were reacted with 26g of Copper(II) Nitrate? If the actual yield of copper metal was 1.43g, what is the percentage yield of this reaction? 2. What is the equiv
fajan''s law
What is the Coordination number of FCC (CN): If we take the corner atom, the face centered atoms are the nearest neighbors. A corner atom has four face centered in its own pl
Q. Show the Purification of Metals? The metals obtained by metallurgical processes still have some impurities which persist from the ore or are derived from the flux or the fue
Action of grignard reagents on carbonyl compounds with examples
advantages and dis advantages?
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