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If a sample of 0.188 grams of KCN is treated with an excess of HCL, calculate the amount of HCN formed, in grams.
A solution contains 410.3 g of H2SO4 per litre of solution . If the density is 1.243 g/ml, what will be its molarity and molality.
Draw the organic product formed when the structure shown below undergoes
Understanding the basics of thermal chemistry and The Second Law of Thermodynamics indicates that a system
What is the osmotic pressure of a solution made from dissolving 90.0 g of glucose, rm C_6H_{12}O_6, in 650 mL of water at 14.0{^circ}C.
Calculate q,w,delta U and Delta H for each segment and for the cycle in which the direction of each process is reversed. In the graph all it says is the P initial =16.6 bar and Vinitial=1.00L and P final=16.6 bar and V final =25L
Concentration of H 2 is observed 2.15 moles/L When the reaction N 2 (g) + 3 H 2 (g) ?? 2 NH 3 (g) comes to equilibrium. Determine the numerical value of the Kc equilibrium constant?
What is the de Broglie wavelength (in meters) of a baseball weighing 145 {g} and traveling at 159 km/h?
the water solubility of L-alanine is 127g/L at 25 degrees celsius, what is the water solubility of D-alanine at 25 degrees celsius?
What sequence of steps represents the best synthesis of 4-heptanol (CH3CH2CH2)2CHOH?
For an acid-base reaction, what is the reacting species, that is, the ion or molecule that appears in the chemical equation, in the following acids?
a proton in a linear accelerator has a broglie wavelength of 128 pm. what is the speed of the proton?
How many grams of CH3OH must be added to water to prepare 150 mL of a solution that is 2.0 M CH3OH?
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