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What is the percent of Sulfate in 22.04 grams of Barium Sulfate?
water and placed in a polarimeter tube 20.0 cm long. The measured rotation was -2.17° at 25 °C. Calculate the specific rotation of the compound.
Calculate the enthalpy change in kJ when 21.6g of H2S is burned. 2H2S(g) + 3O2(g) --> 2SO2(g) + 2H20(g) Change in H=-1036kJ/mol
Given 6.4 mL of sulfuric acid (98%) calculate the number of mmols. (MW H2SO4: 98.08 g/mol, density: 1.840 g/mL)
Determine how much PV work is done if 80.0 g of C 2 H 4 and 125 grams of hydro chloric acid are permissible to react at atmospheric pressure and the volume change = -63.9 L? express your answer in kilojoules
A 35.00 mL sample of HNO3 solution is neutralized by exactly 42.63 mL of 0.4153 M KOH. What is the molarity of the HNO3 solution?
Find the vapor pressure of a solution that contains 218 g glucose in 460.0 mL of water at 30 degrees Celcius.
Pure solid NaH2PO4 is dissolved in distilled water, making 100.0ml of solution. 10 ml of this solution is diluted to 100.00 ml to prepare the orignal phosphare standard solution
The specific heat of the reaction mixture was 4.104 Jg-1 K-1 and its density was 1.03 g mL-1. The calorimeter constant was 3.36 J K-1. Calculate delta H neutzn for reaction of NH3 and acetic acid.
A reaction has a theoretical yield of 8.83 g of ammonia. the reaction gives off 10.24 L of ammonia measure at 52*C and 105.3kPa what was the percent yield of the reaction?
Complete each of the following double displacement reactions and predict if the products will exist as (aq) or (s). A) Hg2(NO3)2+LiI B) NH4NO3+Li2CO3 C) NaCl+Li3PO4 D) AgC2H3O2+Cu(NO3)2
The temperature of a lead fishing weight rises from 26 degrees Celsius to 38 degrees Celsius as it absorbs 11.3 J of heat. What is the mass of the fishing weight in grams.
explain the reactions.1.a explain the results in which 1.0m naoh was added to benzoic acid soluble or not. write the
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