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The solubility of ammonia gas in H2O at a pressure of 760. mmHg is 51.8g/100 mL. What is the solubility of ammonia gas if its partial pressure is increased to 1425 mmHg?
2CaH18(g) + 9O2(g) > 2Ca2(g) + 18H2O(g) Enter the coefficients for each compound in order, separated by commas. For example, 1,2,3,4 would indicate one mole of C8H18, two moles of O2, three moles of CO2, and four moles of H2O.
what is the reaction order of h for a reaction with the following rate law?rate kbro3-br-h21. fourth2. first3. fifth4.
Find the activity coefficient of H+ in a solution containing 0.010M HCl plus 0.040M KClO4. What is the pH of the solution?
The solid copper (II) carbonate was isolated by vacuum filtration and dried; 0.920 g of copper (II) carbonate was collected. The net ionic equations for the reactions which occurred are shown below.
Acid-base titration & analytical chemistry, A 0.213-g sample of uranyl(VI)nitrate, UO2(NO3)2, is dissolved in 20.0 mL of 1.0 M H2SO4 and shaken with Zn. The zinc reduces the uranyl ion, UO2 (with a charge of 2+)
Distinguish between a differential rate law and integrated rate law by writting one of each type
What monosaccharide is the C-2 epimer of alpha-D-galactose? Are these two molecules diastereomers?
Calculate the final temperature after the two substances are mixed together. The specific heat of water is 4.184 J/ g *c and the specific heat for silicon is 0.7121 J/ g*c.
The critical constants of ethane are Pc= 48.20 atm, Vc= 148 cm3mol-1, and Tc= 305.4 K. Calculate the van der Waals parameters of the gas and estimate the radius of the molecules.
Question- How many moles of NaOH must be added to 0.400 L of 0.177 mol/L HCOOH(aq) to obtain a solution with pH=3.5? Assume the temperature is 25oC. (For HCOOH, pKa=3.74 at 25oC).
Using active extraction (changing the polarity) and gravity filtration to remove a component, describe how you would obtain pure naphthoic acid from this mixture.
When a mixture containing sodium chloride, sodium sulphate and sodium nitrate was analyzed, it was found to be 32.08% sodium, 36.01% oxygen and 19.51% chlorine. Calculate the percent by mass of each compound in the mixture.
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