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The molecule with the general formula AX2E3 has________ shape and is________. 

The density of flint glass is 3.5g/cm3. Determine the volume in in3 of 2.265 lb glass sample.  

Write and balance the molecular equation for the complete neutralization of H3PO4 by KOH What is the molar ratio of acid to base (stoichiometric factor)?

How much heat in kJ, is liberated at constant pressure if  25.00 mL of 0.8895 M hydrochloric acid reacts with excess sodium hydroxide? KOH(aq) + HCl(aq)  =>  KCl(aq) + H2O(l) ; ΔH° = –58.9 kJ

What does LiF actually stand for?

Balance the following reaction and determine the coefficient for water. __H3PO4(aq) + __Ca(OH)2(aq) → __Ca3(PO4)2(s) + __H2O(l)

The combustion of a fuel is exothermic. What can you then say about the formation of a fuel?

What volume of 0.09945M H3PO4 in mL, is required to neutralize 40.00 mL of 0.1315 M NaOH?      Hint: write the balanced equation first

Consider the data table below to calculate the enthalpy of reaction for the neutralization of nitric acid by barium hydroxide.   Volume   of 1.021MHNO3,  mL 50.00 60.00 70.00 80.00 90.00 100.0 Volume of 0.572MSr(OH)2, mL 100.0 90.00 80.00 70.00 60.00 50.00 Change of temperature, oC 4.54 5.45 6.36 7.27 6.54 5.46 Analyze the Data Table to find the highest temperature and answer the following questions. Consider the density of the solutions to be the same as water, 1.00 g/mL, both before and after mixing, and the heat capacity is the same as for water, 4.18J/oCg.  Since your calculators may give you slightly different numbers, pick the closest answer. The highest temperature change in oC[temp]  Number of moles of acid  at the highest temperature (at stoichiometric ratio)[molesA] Number of moles of the base  at the highest temperature (at stoichiometric ratio)[molesB] Mole fraction of acid and mole fraction of base at the highest temperature (at stoichiometric ratio)[MF] Stoichiometric mole ratio for the reaction: moles acid/moles base, calculated [MR] Stoichiometric mole ratio for the reaction: moles acid/moles base, rounded to the whole number[MR2] Heat absorbed by the solution in the calorimeter, J[q] Heat in kJ produced by the reaction between solutions of acid and base in the calorimeter[q2] Heat of reaction in kJ per number of moles of base[H] Thermochemical equation and Enthalpy of the neutralization reaction (Hint: Enthalpy is per number of moles of water)[Eq] Show work for Partial Credit, take a picture of your work, save it to your Canvas files, and upload your answer in the Work and Calculations assignment provided.

Balance the following reaction and determine the coefficient for water. __P2O5(g) +  __H2O(l) →  __H3PO4(aq)