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At equilibrium, the concentrations in this system were found to be [N2]=[O2]=0.200 M and [NO]=0.500 M. N2(g) + O2(g) <-------> 2NO(g) If more NO is added, bringing its concentration to [0.800 M], what will the final concentration of NO be after equilibrium is re-established? _____?_______ M
You have available at your lab bench a 0.1 M solution of TRIS in its protonated form, 0.1 M solutions of HCL and NaOH, and ample distilled water. Describe the preparation of a 1 L solution of 0.2 M TRIS buffer, pH 7.8
Given the concentration of organic carbon in a soil sample and the soils bulk density, be able to calculate the mass of organic carbon
According to the following reaction, how many grams of sodium hydroxide will be formed upon the complete reaction of 27.5 grams of water with excess sodium?
Finding Number of Atoms in a Molecule from Molecular Weight, As determined from the gas law, the molecular weight of a substance is eight times the atomic weight
How many milliliters of 0.110 are needed to react completely with 25.0 of 0.160 ? How many grams of will be formed?
a solution is prepared by adding 1.60 grams of solid NaCl to 50ml of 0.100M CaCl2. what is the molarity of chlorine ion in the final solution? assume that the volume of the final solution is 50ml
the total volume of hydrogen needed to fill the Hindenberg was 2.0x10^8 L at 1.00 atm and 25 C. How many kilojoules of energy were evolved when it burned?
Suppose you want to produce 1L of 3.50M aqueous solution of H2SO4. How many grams of solute are needed to make this solution.
Two common substances that are used in the northern U.S. to melt snow and ice are sodium choride (rock salt) and calcium chloride. You have a bag of a substance sold as melting salt
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.
A solution was prepared by dissolving 620 grams of ethylene glycol, C2H6O2 in 1000 grams of water. Find the concentation of ethylene glycol in molality. Find the freezing point and boiling point of the solution. For water Kf= -1.86 Celsius m-1 and..
If the reaction of 2.50 g of aluminum with 2.50 g of oxygen produced 3.50 g of aluminum oxide, What is the % yield of the reaction?
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