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Define how much heat is absorbed if 55 grams of sweat is evaporated from someone's skin Hvap for water at body temperature is 2.41 kJ/g.
In combustion studies of the use of H2 as an alternative fuel, HO is sometimes formed in flames by the reaction, H(g) + 1/2 O2(g) HO(g)
a specific brand gourmet chocolate candy contains 7.00g of dietary fat in each 22.7 piece. how many kilograms of
The 100.0mL sample was treated with a molybdate reagent that precipitates ammonium phosphomolybdate, (NH4)3 [P(Mo12O40)] x 12H2O. This substance was dried at 110 degree C to remove waters of hydration and heated to 400 degree C until it reached a ..
In a quality control analysis for sulphur impurity 5.6 g metal sample was burnt in a stream of oxygen and sulphur was converted into SO2 gas The SO2 gas then oxidizes to sulphate by using H2O2 solution towhich had been added 30 mL of 0.04M NaOH
The standard potential of the Cell Pt|H2|HBr|AgBr|Ag was found to be +0.07372 at 293 K and +0.06873 at 303 K. Evaluate the standard reaction Gibbs energy, enthalpy, and entropy
Consider the following equalibrium: 4NH3(g) + 3O2(g) 2N2(g) + 6H2O(g). Suppose 0.30 mol of NH3 and 0.40 mol of oxygen are added to a 5.0-l container. If x mol of water is present at equalibrium, how many moles of ammonia will remain at equalibri..
how many moles of hydrogen ions were converted to water when 85. ml of 1.0 M hydrochloric acid were neutralized by sodium hydroxide.
The solubility of AgBr was found to be 0.0000398 g per 300 mL of water. Calculate the solubility product constant (Ksp) for AgBr. AgBr (s) Ag+ (aq) + Br- (aq) Molar Mass (g/mol) AgBr 187.77c
What are the values of (i) the pressure, (ii) the molar fraction of benzene in the liquid phase, and (iii) the molar fraction of benzene in the vapor phase when 1/4 the initial vapor phase has condensed
Identify the set of stoichiometric coefficients that balance the reaction equation for the combustion of octane. C8H18+O2--->CO2+H2O
relation between the energy of emitted alpha particles and the half-life for the radioactive decay.
what is the ionic equation of the following formulas nacl cacl2 alcl3 hcl koh h2c2o4 k2c2o4 ch3cooh h2o distilled h2o
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