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Equal amounts of identical liquids is contained by the two insulated beaker(X,Y) .(intially it is given that The temperature of Beaker X= 85°C. The temperature of Beaker Y= 40°C). A metal rod connects the beakers. the temperature of Beaker X = 75°C and the temperature of Beaker Y = 50°C after Five minutes . determine the temperatures be after another 5 minutes have passed?
What is the length of the side of the unit cell for iron and what is the atomic radius?
If each mole of gas occupies 59 L under the conditions of the explosion, how many liters of gas are produced. Express your answer using two significant figures. How many grams OF N2are produced in the detonation
If the catalyst pore size is small in comparison with the mean free path, collisions with the pore wall controls the process'. The diffusivity under this condition is called 'Knudsen diffusivity'
Give the balanced thermochemical equation for the following reactions. show the correct physical state in each equation.
A sample of neon has a volume of 780 mL when it is at a pressure of 751 mmHg. What will be the volume when the pressure is increased to 1389 mmHg?
Ethanol is a common laboratory solvent and has a density of 0.789 g/mL. What is the mass, in grams, of 143 mL of ethanol.
A lake contains high concentrations of dissolved Mn^2+ and Fe^2+. a. What can you say about the concentration of dissolved nitrate. b. What can you conclude about the concentration of dissolved oxygen. c. What can you say about the form of any sul..
Given 867 mL of a buffer solution that is 0.532 M methylamine and 0.86 M methylammonium chloride, calculate the pH of this solution after the addition of 1.14 g sodium hydroxide. The Kb of methylamine is 4.4x10-4
Draw the Lewis structure of the molecule, assuming that the Cl atoms bond to a single C atom and that there is a C -C bond and two C - O bonds in the compound.
In standardizing a solution, what would happen if instead of putting HCl solution into a buret and standardized NaOH solution into a beaker when performing a titration
What is the principle quantum number for the inner transition metals? (the atomic numbers are 57 through 102, called the lanthanide series
The burning of 80.3 g of SiH4 at constant pressure gives off 3790 kJ of heat. Calculate ?H for this reaction.
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