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If the volume remains constant as the temperature is raised, the pressure exerted by the gas: A. Remains constant B. Steadily decreases C. First decreases and then increases D. First increases and then decreases
the specific heat of fat is 0.45 and the density of fat is 0.94 . how much energy in calories is needed to heat 19 of
Consider the following solutes and the composition of their aqueous solutions. In which of the following is the composition of the aqueous solution of the solute given
using a sample of a compound containing only oxygen and chlorine reacts with an excess of h2 gas to give 0.206 g
What mass of sucrose should be combined with 455 g of water to make a solution with an osmotic pressure of 8.75 atm at 320 K?
To obtain the same antifreeze protection requires 76 g of propylene glycol to replace each 62 g of ethylene glycol. Calculate the mass of propylene glycol required to replace
the ammonia solution nh3aq has pkb 4.76. a buffer solution has ammonium chloride and ammonia has a ph 9.45 and a
Calculate the molar solubility of thallium chloride in 0.20M NaCl at 25 degrees Celcius. Ksp for TICl is 1.7 x 10 -4. What volume of 0.500 M HNO3 is needed to titrate 60.00 mL of 0.500 M Ca(OH)2 to the equivalence point?
The E2 reaction of most compounds is known to proceed preferentially by removal of a proton anti-periplanar to the leaving group. Based upon this generalization
What is the net ionic equation for the precipitation reaction, if any, that occurs when an aqueous solution of Zn(CH3CO2)2 is mixed with an aqueous solution of CaCl2
What is the pressure of a container that has 7 atm pressure coming from O2, 2 atm of pressure coming from N2, 3 atm of pressure coming from CO2?
What is the mole fraction of solute and the molal concentration for an aqueous solution that is 19.0% NaOH by mass?
You want to determine the protein content in milk with the Kjeldahl method. You take 100 g whole milk and use 100 mL of 0.5 M hydrochloric acid to collect ammonia. You needed 34.50 mL of 0.3512 M NaOH for the back-titration. Calculate the percenta..
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