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use the measure "mass of 10.00mL" which is 10.574g, to calculate the density of mass NaCl which is 5.923g?
If I add 1.65 L of water to 112 grams of sodium acetate what is the molality of NaC2H3O2 in this solution?
Calculate the molar flow rate (mol/h) of the feed gas and themole fraction of water vapor in the product gas.
A piece of a newly synthesized material of mass 25.0 g at 80.0C is placed in a calorimeter containing 100.0 g of water at 20.0C. If the final temperature of the system is 24.0C, what is the specific heat capacity of this material?
Chlorine dioxide gas is used as a commercial bleaching agent. One method of preparing ClO2 is the reactiong of chlorine gas with sodium chlorite as:
methylamine (CH3NH2 Kb=3.6x10^-4) with 25.0 mL of 0.10 M benzoic acid (C6H5COOH Ka=6.3x10^-5), will the resulting solution be acidic, basic or neutral?
A balloon is filled to a volume of 9.00 multiplied by 102 mL at a temperature of 18.0°C. The balloon is then cooled at constant pressure to a temperature of 1.00 multiplied by 102 K. What is the final volume of the balloon?
The resulting solution freezes at 26.5 oC. If Kf for the solvent is 1.74 o C/m then determine the molar mass of the nonelectrolyte compound?
A container with a removable partition contains gas A and gas B. Gas A is at 400K and 10.0 atm and gas B is at 400K and 4.00 atm. The partition is removed and the gases mix
An open flask sitting in a lab fridge looks empty, but we know that actually it is filled with a mixture of gases called air. If the flask volume is 4.00 L, and the air is at standard temperature and pressure,
Elements in the first short period are limited by the octect rule whereas those in the higher period can expand their valence shells. Describe what this means, account for this phenomenon and give an example of each.
At 100 degrees C, the vapor pressure of water, methanol, and ethanol are 760, 2625, and 1694 torr, respectively. Which counpound has the highest normal boiling point.
Draw the Lewis structure and structural formulas for CCl3F. Sketch the spacefiling model and the charge-density model for this molecule.
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