FREEONLINEHELPNS.BLOGSPOT.COM

Free Online Help: 4/6/14 - 4/13/14

https://freeonlinehelpns.blogspot.com/2014_04_06_archive.html

I am an online teacher of chemistry and mathematics. Wednesday, April 9, 2014. In a class of 120 students numbered 1 to 120, all even numbered students opt for Physics,. In a class of 120 students numbered 1 to 120, all even numbered students opt for Physics, whose numbers are divisible by 5 opt for Chemistry and those whose numbers are divisible by 7 opt for Math. How many opt for none of the three subjects? We have the formula for arithmetic series. An = a (n-1)d here. An = last term. 120-10)/10 1 = 12.

Free Online Help: Calculate the mass of sodium acetate (CH3COONa) required to make 500 mL of 0.375 molar aqueous solution. Molar mass of sodium acetate is 82.0245 g mol–1.

https://freeonlinehelpns.blogspot.com/2012/06/calculate-mass-of-sodium-acetate.html

I am an online teacher of chemistry and mathematics. Thursday, June 7, 2012. Calculate the mass of sodium acetate (CH3COONa) required to make 500 mL of 0.375 molar aqueous solution. Molar mass of sodium acetate is 82.0245 g mol–1. Q -5 Calculate the mass of sodium acetate (CH3COONa) required to make 500 mL of 0.375 molar aqueous solution. Molar mass of sodium acetate is 82.0245 g mol–1. 0375 M aqueous solution of sodium acetate. 1000 mL of solution containing 0.375 moles of sodium acetate. Assume that no...

Free Online Help: In three moles of ethane (C2H6), calculate the following : (i) Number of moles of carbon atoms. (ii) Number of moles of hydrogen atoms. (iii) Number of molecules of ethane.

https://freeonlinehelpns.blogspot.com/2012/06/in-three-moles-of-ethane-c2h6-calculate.html

I am an online teacher of chemistry and mathematics. Thursday, June 7, 2012. In three moles of ethane (C2H6), calculate the following : (i) Number of moles of carbon atoms. (ii) Number of moles of hydrogen atoms. (iii) Number of molecules of ethane. Q-10 In three moles of ethane (C2H6), calculate the following :. I) Number of moles of carbon atoms. Ii) Number of moles of hydrogen atoms. Iii) Number of molecules of ethane. I) 1 mole of C2H6 contains 2 moles of carbon atoms. June 23, 2013 at 12:13 PM.

Free Online Help: how to find the x intercept of a quadratic function by factoring with ex...

https://freeonlinehelpns.blogspot.com/2015/05/how-to-find-x-intercept-of-quadratic.html

I am an online teacher of chemistry and mathematics. Tuesday, May 26, 2015. How to find the x intercept of a quadratic function by factoring with ex. Subscribe to: Post Comments (Atom). A total of 2.00 mol of a compound is allowed to react with water in a foam coffee cup and the reaction produces 187 g of solution. The reaction caused the temperature of the solution to rise from 21.0 to 24.7 circ rm C. What is the enthalpy of this reaction? Determine the molecular formula of an oxide of iron in which the...

Free Online Help: How to find value of k if x = 2 and y = 1 in a equation 2x + 3y = k usi...

https://freeonlinehelpns.blogspot.com/2015/03/how-to-find-value-of-k-if-x-2-and-y-1.html

I am an online teacher of chemistry and mathematics. Sunday, March 1, 2015. How to find value of k if x = 2 and y = 1 in a equation 2x 3y = k usi. Subscribe to: Post Comments (Atom). A total of 2.00 mol of a compound is allowed to react with water in a foam coffee cup and the reaction produces 187 g of solution. The reaction caused the temperature of the solution to rise from 21.0 to 24.7 circ rm C. What is the enthalpy of this reaction? Determine the molecular formula of an oxide of iron in which the ma...