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Write the balanced ionic and net ionic equation for each What is the balanced ionic and net ionic equation for each: 1.) MgCO3 + HBR 2.) CH3CO2H + NH4OH 3.) AgNO3 + AlCl3 4.) BaF2 + H2SO4
Solid aluminum can be separated from molten AlCl3 by reduction. How many grams of Al(s) would be obtained by passing a current of 14.1 A through molten AlCl3(s) for 2.77 hr.
1. calculate the h of a solution obtained by mixing 1 l of hydrochloric acid 1.0 m with 1 litre of sodium hydroxide
Assume that a particular reaction evolves 235kJ of heat and that 24 kJ of PV work is gained by the system What is the delta H inside and the surroundings and delta E inside and out?
explain why there is a difference in spectrophotometric response during titration before and after the equivalence point by placing the statements below into the appropriate categories.Now, calculate the concentration of apotransferrin present in ..
A weather balloon is filled to 125 L when the atmosphereic pressure is 748 mm Hg and the air temperature is 28 degrees celcius. It rises to where the atmospheric pressure is 787mm Hg and the temperature
If it takes 526 J of energy to warm 7.40g of water by 17°C, how much energy would be needed to warm 7.40g of water by 55°C
A molecular compound that obeys the octet rule in which all atoms have a zero formal charge is a) BaCl2 b) BrF3 c) NCl3 d) XeF4
A solid mixture consists of 35.7 of KNO3 (potassium nitrate) and 6.3g of K2SO4 (potassium sulfate). The mixture is added to 130. of water. If the solution described in the introduction is cooled to 0
Draw 3 different reaction pathways for meta, ortho, and para substitution of a halogen (e.g. Br2 in FeBr3) onto nitro benzene. Each pathway should have all resonance structures.
Compute the amount of heat needed to completely sublime 43.0 grams of solid dry ice at its sublimation temperature. (The heat of sublimation for carbon dioxide =32.3).
evaporating sweat cools the body because evaporation is endothermic and absorbs 2.44 per gram of water evaporated.
A solution of vinegar is 4.68% by mass acetic acid in water. Assuming the density of vinegar is 1.00 g/mL , what is the molarity of the acetic acid.
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