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PVC processors use a very high molecular weight acrylic processing aid for production of Rigid PVC foamsheet of high thickness. Explain the type of Acrylic material and its properties they use. Also whether there is any scope for a substitute material.
What is the volume occupied by 0.118 mol of helium gas at a pressure of .97 atm and a temperature of 305k?
4.5 L of Mg(OH)2 solution was titrated with 5.03 mL of 0.200 M HCl. Calculate the the molarity of Mg(OH)2 solution and the ksp.
In the following reaction: A + 2B --> 3C + D the MM(A) = 75 g/mol, MM (B) = 52 g/mole, MM(C)= 87 g/mol. If 250g of A and 310g of B combined, what is the limiting reagent, and what is the theoretical yield of C in gram
How do you calculate the mass of solvent (assume that the density of water is 1.000g/mL): Please show how to solve the problem. NaCl with a mass of 11.47g and volume of water 108.76g
The tire is filled with dry air at sea level and a temperature of 60F to 32lb/in^2. Standard sea level pressure is 101325 Pa at 0 degree C (STP). How many moles of air are contained in the tire. How many molecules
What is the single-particle collisional frequency (for diatomic Nitrogen)at sea level, with 341 and 1.0 atm? The corresponding single-particle collisional frequency is reported as 10^10 s^-1.
in an experiment a student gently heated a hydrated copper compound to remove the water of hydration. the following
what are the balanced molecular equations for all of the chemical reactions involved in the copper cycle experiment? There are eight of them.
What will be the volume of the gas sample if the pressure increases to 780 mm and the temperature increases to 35°C
A current of 5.64 A is pass through a Ni(NO3)2 solution. How long (in hours) would this current have to be applied to plate out 8.80 g of nickel
How many minutes would a solution of Cd2+ have to be electrolyzed with a 2.420 A current to plate out 1.77 g of Cd? min
Given a column of air with a pressure of 1.57 x 10^5 Pa and an area of 1.12 m^2 and given that the acceleration due to gravity is 9.8 m/s^2, what is the mass of this column
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