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In a constant-pressure calorimeter, 60.0 mL of 0.330 M Ba(OH)2 was added to 60.0 mL of 0.660 M HCl. The reaction caused the temperature of the solution to rise from 23.40 °C to 27.90 °C. If the solution has the same density and specific heat as water (1.00 g/mL and 4.184 J/g·°C, respectively), what is ΔH for this reaction (per mole of H2O produced)? Assume that the total volume is the sum of the individual volumes.
The rate constant of a reaction is 2.6*10-3s^-1 at 25 c, and the activation energy is 33.6kJ/mol. What is k at
Write a balanced chemical reaction describing the decomposition of ammonium nitrate, and calculate the standard heat of reaction using the appropriate enthalpies of formation
If an empty beaker has a mass of 129.3 grams. Subsequent to some chemical has been added the mass is 146.653 grams. Explain how much of the chemical was added use the proper number of significant figures
a generic salt ab has a molar mass of 243 gmol and a solubility of 8.90 gl at 25 c what is the ksp of this
After an experimenter recovers 6.54 grams of sodium sulfate from the neutralization of sodium hydroxide by sulfuric acid, Explain how does he know how many grams of sodium hydroxide reacted
The choice of precipitating reagent is important. Briefly explain what the consequences would be if excess 6M NaOH solution instead of 6M NH3 solution were used to separate Fe3+ and Al3+ ions from Ca2+, Cu2+, and K+ ions at pH 9-10.
Explain the distinction between safety culture and safety climate
sample of h2o with a mass of 46.0 grams has a temperature of -58.0 c. how many joules of energy are necessary to heat
The two grignard products of 4-methylcyclohexanone give merely two products when reacted with HCL and just a few of an alkene probably 4-methylcyclohexene. Explain
Question- Using aqueous HCl, sodium bicarbonate, Or NaOH solutions devise a separation scheme to separate the following compounds. Use ether as the organic phase in each extraction step. Recover in neutral form. Draw the structures, not formulas o..
compare the percent ionization of the base in a with the percent ionization of the base in b.a 0.180 m honh2 kb 1.1
What observed rotation is expected when a 1.28M solution of (R)-2-butanol is mixed with an equal volume of a .640M solution of racemic 2-butanol, and the resulting solution is analyzed
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