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Calculate change in internal energy. In the answer delta n is 6-7.5, and I don't quiet understand where these two numbers came from.
Would the following structures be polar or nonpolar?
You use 25 mL of 6.0 M NaOH to neutralize 50 mL of an unknown acid in a titration experiment. What is the molarity of the acid
Calculate the molar solubility of AgBr in 4.0 M NH3. Kf for Ag(NH3)2 is 1.7 x 10^7 and Ksp for AgBr is 5.0x10^-13 5. What is the pH at the equivilaence point when 45 mL of 0.125 M acetic aced is titrated with 0.225 M NaOH? Ka for acetic acid is 1.7..
Presuming complete mixing what is the concentration in ppm just downstream. b.) Explain what is the mass rate of the substance in lb/day passing just downstream of the junction
Phenolphthalein is added, and the solution remains colorless because of the excess acid that has not been neutralized. the solution is tirtared with 9.7 mL of 0.09 M NaOH to a faint pink endpoint
detonation of nitroglycerin proceeds as follows 4c3h5n3o9 12co2 6n2 o2 10h2oa if a sample containing 2.00 ml of
When a voltage of 30 V is applied to the heater for 3.0 min, a constant current of 2.5 A is observed. The calorimeter temperature increases from 20.00C to 25.59C. Calculate C_bomb for the calorimeter. Assume 2000.0 g of water in the bucket.
Forecast Outcome of the following reactions. If a reaction occurs decide the products and balance the equation, if no reactions, say no reaction
The equilibrium lies far to the right. The reaction will proceed very slowly. The reaction contains significant amounts of products and reactants at equilibrium. The equilibrium lies far to the left.
Explain how do you write an equation for the neutralization reaction in which calcium nitrate is the salt that is formed
what is the final temperature when 125 g of iron at 92.3 degc is dropped into 50.0 g of water at 27.7 degc? the
A rock sample contains traces of 238U, 235U, 232Th, 208Pb, 207Pb, and 206Pb. Careful analysis shows that the ratio of the amount of 238U to 206Pb is 1.164.
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