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what is mole concept
Why Formal charge does not give an accurate picture Formal charge does not give an accurate picture, due to O is more electronegative than H; most of the positive charge is rea
if one ton contains 2000 pounds and the coal is 2% by mass sulfur, what is the mass sulfur in one ton of coal? how many grams of sulfur is this? how many moles of sulfur is this?
Q. Scientific Notation and Dimensional Analysis? Very small and extremely large numbers can be compared more easily when they are converted into a form called scientific notati
Talcum powder: Talcum powder is utilized to decrease impatience of the skin. Talcum powders such as face powders comprise talc (Mg 3 (OH) 2 Si 4 O 10 ) Chalk, zinc stearate an
Briefly tell me about chemical combination and its laws
n-propyl acetate evaporates rapidly when exposed to air,but water does not.Explain
Octet rule is not valid for the molecule: (1) Co 2 (2) H 2 O (3) CO
Q. Define homogeneous mixture ? A homogeneous mixture is one which has a constant composition throughout. By mixed sugar in water you create a homogeneous mixture. A homogeneo
What are the Interfacial Defects Grain boundaries are interfaces where crystals of dissimilar orientations meet. A grain boundary is a single-phase interface, with crystals on
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