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suppose that 2.5 mmol of Ar(g) occupies 72 dm^3 at 298 K and expands to 100 dm^3. Calculate delta G for the process.
A 466-g of water is heated from 8.50°C to 74.60°C. Calculate the amount of heat absorbed (in kilojoules) by the water. The specific heat of liquid water is 4.184 J/(g °C).
The density of the unknown solution is 1.232g/mL. Calculate the specific gravity of the solution
How many moles of nitrate ions are present in a sample that contains 4.82 moles of chromium(III) nitrate, Cr(NO3)3
what are some differences and similiarities in the type of inhibition caused by heat acid or base and heavy metal ions
If a system is warmed by its surrounding and the system compresses its surroundings then: A. Delta E system is negative B. Delta E system is positive C. Delta E total is negative D. Delta E total is positive
Use MO theory to predict the net bond order after N2 interacts with a photon that results in the promotion of an electron from bonding to an antibonding orbital
Question- A chemist with 4.0 moles of H2 and 4.0 moles of O2 in a 200.0 L container, and runs the combustion reaction very slowly. After 10.0 seconds there is 3.0 moles of H2. a) Write the balanced chemical reaction.
How many milliliter of .120 M NaOH are required to titrate 50.0 mL of .0998 M hypochlorous acid to the equivalence point. The ka of hypochlorous acid is 3.0*10^-8.
15.0 mL of 0.400 M Hno3 Solution is titrated with 0.600 M KOH solution . Calculate pH of the solution when12.0 mL of KOH is added ?
Solid silicon and solid magnesium chloride form when silicon tetrachloride gas reacts with magnesium metal. Write a word equation and an unbalanced formula equation. Include all of the appropriate notations.
Question- Iron is often utilized to standardize permanganate solutions. A 0.158 g sample of pure iron wire was dissolved in dilute sulfuric acid to form a solution of iron (ii) sulfate. This was titrated with 31.23 ml of potassium permanganate sol..
the evaporation of water is endothermic as indicated by the followingh2olh2ogheat44.01what minimum mass of water has to
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