jeew-m
jeew-m
Male
July 11, 2012
Teacher
Graduate School
Engineering
Computer games,Watching football matches,Highway engineering
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Answered a Question in Math
`(dy)/dt = y` `(1/y)dy = dt` Integrate both sides with respect to their...
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`CaCO_3` molar mass = 100g/mol Moles in 10g of `CaCO_3 = 10/100 = 0.1 mol`...
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Surface area for reaction in cube = 6cm^2 This is the surface area of 6 sides of...
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Amount of NaCl moles in 10ml of 0.5M naCl `= 0.5/1000xx10 = 0.005 ` So...
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Let us say length of the fencing is X and width is Y. Assume river is at lengthy...
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Using binomial thereom we can say; `(ax+b)^5` = `sum_(r=0)^(r=5)`...
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By the apothegm it divides the base length equally in a equilateral triangle. If...
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`Zn+H_2SO_4 rarr H_2+ZnSO_4` Mole ratio `H_2:H_2SO_4 = 1:1` ...
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Let us say length is X and width is Y. Perimeter `= 2(X+Y) = 3600` `2(X+Y) =...
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`1+5 rarr 12` Means `6 rarr 12` means `6 rarr 6xx2` `2+10 rarr 24` Means `12 rarr...
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Let us say the predicted sales will equal after T amount of years. Sales of...
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`2KCrO_4 + Pb(NO_3)_2 rarr 2KNO_3 + Pb(CrO_4)_2` Amount of `KCrO_4 =...
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`(u-3)/(u-2) = 4/u+4` `(u-3)/(u-2) = (4+4u)/u` `u(u-3) = 4(1+u)(u-2)` ...
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We will start from the left side. `LHS` `= cos^2P+(cosPxxcotP)^2` `=...
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`C_8H_18+27/2O_2 rarr 8CO_2+9H_2O` When you have a combustion of hydrocarbon...
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`(1/4x^9 + 1/3x^5 - 3/4x^2 + 11) + (-1/2x^9 + 7/12x^5 - 3/8x^2)` `=...
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Melting point and boiling point are temperatures. The melting point and boiling...
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Iron is more reactive than `Cu` . So Cu in `CuSO_4` will be displaced by `Fe^(2+)`...
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In this reaction `Cu^(2+)` ions will be displaced by `Mg` and in the final...
Answered a Question in Science
`NaOH+HCl rarr NaCl+H_2O` Amount of HCl moles reacted `= 2/1000xx18.5 =...
