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Calculate the pH of the solution formed by the addition of 55.5 mL of 0.100 M NaOH to 49.2 mL of 0.100 M H3PO4.
In the chemical reaction used in automotive air-bag safety systems, N2(g) is produced by the decompositon of sodium azide, NaN3, at a somewhat elevated temperature:
What quantity of heat is required to melt 500. g of ice and heat the water to steam at 100. oC? What quantity of heat is required to melt 500. g of ice and heat the water to steam at 100. oC?
Analytical molar concentrations of HA species 2) Equilibrium molar concentrations of HA species. Trichloroacetic acid (HA) is 73% ionized in water
The standard free energy of activation of a reaction A is 76.8 kJ mol%u20131 (18.4 kcal mol%u20131) at 298 K.
For the following aqueous reaction complete and balance the molecular and write a net ionic equation for copper (II) nitrate + hydrosulfuric acid
Commercial grade hcl are typically 39% by mass HCL in water. determine mole fraction of HCL has solution has density
A 15.0--mL unknown sample of aqueous acetic acid, CH3COOH(aq), was titrated using 0.800 M NaOH. If the titration endpoint was found to be 20.0 mL.
If the sample contains a combined total of 1.50 mol and has a total mass of 45.0g, what are the percentages of CO2 and Ne in the sample by mole?
Large quantities of hydrogen are needed for the synthesis of ammonia. One preparation of hydrogen involves the reaction between carbon monoxide and steam at 300 degrees Celsius in the presence of a copper-zinc catalyst
Why isn't HBrO a stronger acid than HBr. Doesn't the acid strength increase with the amount of oxygens.
Assume that O2(g) and H20(g) can be described by the van der Waals equation of state. Decide which between 1 mole of O2 and H20 has the highest pressure at the same value of T and V
Suppose you were given an unknown compound. Your task is to identify which compound it is using melting point data and measurements only.
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