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Problem- How many ml of 0.43 m naoh will be needed to neutralize 10 ml of stomach acid if stomach acid is 0.1 m hcl?
Using textbook reference solve the reactions given in above problem
The heat capacity of a calorimeter is found to be 5.68 kJ°C-1. While a1.652-g sample of glucose, C6H12O6, is burned in the calorimeter, the temperature of the calorimeter increases from24.56°C to 29.10°C. Compute the ΔH for the following reaction
A 31.3g wafer of pure gold initially at 69.3^\circ C is submerged into 64.1g of water at 27.7^\circ C in an insulated container. What is the final temperature of both substances at thermal equilibrium
Coniine, a toxic substrate solution isolated from poison hemlock, contains only Carbon, Hydrogen, and Nitrogen. combustion analysis of a 5.024g sample yields 13.90mg of CO2 and 6.048mg of H20. what is the empirical formula of Coniine
It is very desirable that pesticides eventually decompose in the environment to give harmless products. Let us assume the half life for the first order decomposition of a certain pesticide is 10.2 years. If the present concentration of a pesticide..
If a balloon has a volume of 1.20 L on a warm 32 ºC day, If the same balloon is placed in the freezer and cooled to -18 ºCm define what volume will it occupy
A 1 gram sample of calcium was burned in chlorine to give a 1.95 g sample of pure CaCl2. the energy given off in this reaction was 30.3 kJ. given this information, find the heat of formation of 1 mol of CaCl2
a power plant with a design capacity of 600 mw is operated with 36 thermal efficiency and operated at 70 of the design
In the following amino acid sequences, what amino acids will interact if the peptide forms an alpha-helix? Do you expect this structure to be stable? Why or why not?
A gas mixture with a total pressure of 750 contains each of the following gases at the indicated partial pressures: , 253 ; , 120 ; and , 173 . The mixture also contains helium gas.
1 a 25.0 ml sample of 0.300 mnh3aq is titratedwith 0.300 m hclaq. what is the ph at the equivalence point?kb of nh3 1.8
calculate the mass of c2h6o2 that must be added to 1.00 kg of ethanol c2h5ohto reduce its vapor pressure by 13.2 torr
a 6.0 g sample of cuh2o4so4xh2o molar mass 249.68 gmol is dissolved in deionized water. if an excess of ammonia is
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