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In this experiment, when the density of the solid is determined, the volume of the solid is found by subtracting the volume of water (in flask filled with solid and water) from the overall volume of the flask. What principle is being used here to determine the volume of the solid?
Carbon monoxide (CO) has a much smaller dipole moment than expected. This observation has puzzled chemists and led to much argument about the nature of the bonding in the molecule.
0.0810 g of aluminum (27.0 g/mol) reacted with 10.00mL of1.00 M HCl(aq) in an ice-calorimeter under a constant pressure of 1 atm. Explain when the reaction was complete, the volume of the ice-water mixture decreased by 0.435mL. Compute DH and DE o..
How many moles of glucose are required to form 8.0 moles of CO2?
We most often express heat as kilocalories and kilojoules rather then calories and joules. When 1 pound of fat is burned in the body,9.4 kilocalories of energy is produced. Express that as a) calories b)kilojoules
derive a frequency response curve for a low-pass rc filter in which r 2.5 k ohms and c 0.015 f. cover a range of
Draw a diagram showing the hydrogen bonding of an ammonia molecule with two other ammonia molecules. (Draw complete Lewis structures.
What is Bernoulli's principle? Is pressure greater or less in regions where streamlines are crowded?
A 29.0-g sample of water at 260. K is mixed with 48.0 g water at 300. K. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.
a balloon originally had volume of 0.439 l at 44 c and a pressureof 729 torr. to what temperature much the balloon be
3.00×10-3 mol of HBr is dissolved in water to make 17.0 L of solution. What is the concentration of hydroxide ions, OH-, in this solution?
The Clear solution is evaporated to half its volume and 12 more drops of 6M hydrochloric acid is added followed by the addition of water until the solution's volume is 2mL. To this solution 1mL of thioacetamide solution added and when the test tub..
A buffer solution contained 0.135 M HCO2H and 0.215 M HCO2Na and had a pH of 3.95. What is the final pH of the solution if 5.00 mL of 1.00 M NaOH was added to 100. mL of this solution
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