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Can you explain each step please im really bad in chemistry and i dont know whats delta N in general
If 0.245 mol of H2SO4(g) reacts with excess NH3(g) at 75°C for the following reaction, 2NH3(g) + H2SO4(g) → (NH4)2SO4(s) what is the work done in terms of the system? Question 6 options: +2.13 kJ -0.71 kJ +0.71 kJ -2.13 kJ and there is another question too if 0.525 mole of Li reacts with excess HCL at 25 c whats the work done in terms of the system
Which of the following molecules would be expected to be MOST water soluble?
Calculate the E0 for the following reaction by using the standard reduction potentials data in your lab manual. Write net ionic equation and half reactions of Cr2O72- oxidizing Sn2+ in acidic aqueous solution. Find an calculate their E0
Which of the following equations represents the proper net ionic equation for the precipitation of an insoluble hydroxide compound from Al(NO3)3(aq) and KOH (aq)
How many grams of magnesium hydroxide are present in 1.0 L of a saturated solution at room temperature
A Pb-Sn alloy containing 40 wt% Sn is cooled from the liquid state to room temperature. How much of each phase is present in the material at room temperature. Sketch the expected microstructure.
What is the elution order if these same compounds are separated on a silica column using a polar solvent such as water?
Calculate the maximum mass of Be(s) (in grams) that can be deposited from BeCl2(l) melt by a current of 5.0 A that flows for 1.0 hour
Describe Newman projection. Experiments have shown that for 1,2-dichloroethane, ClCH2CH2Cl, in carbon tetrachloride solution at 25C, 70% of the molecules are in the anti and 30% are in the gauche conformation
At a given temperature the vapor pressures of benzene and toluene are 183mm Hg and 59.2mm Hg. Calculate the mole fraction of benzene in the vapor phase over a solution of benzene and toluene with Xbenzene=0.600
Calculate the grams of Titanium that will be plated from a Ti(NO3)4 solution using a current of 15 amperes for 3 hours.
Calculate the hypothetical retention times for caffine and aspartame if their retention factors were reduced by 28.0 %. Assume the mobile phase retention time (tm= 29.7 s) remains constant.
What is the molar mass of an ideal gas if a 0.800 g sample of this gas occupies a volume of 200. mL at 50.0 oC and 720. mm Hg
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