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The atmosphere of Venus contains carbon dioxide and nitrogen gases. At the planet's surface, the temperature is about 730 K, the total atmospheric pressure is 98 atm, and the partial pressure of carbon dioxide is 94 atm. If scientists wanted to collect 10.0 moles of gas from the surface of Venus, what volume of gas should they collect?
What volume of HCl is required to reach the equivalence point and what is the pH at the equivalence point. c. Calculate the pH of the solution after adding 5.00, 15.0, 20.0, 22.0, and 30.0 mL of HCl.
Phosphoric acid, H3PO4(aq), is a triprotic acid, meaning that one molecule of the acid has three acidic protons. Estimate the pH, and the concentrations of all species in a 0.100 M phosphoric acid solution.
How many milliliters of 0.410 M KOH solution are needed to completely neutralize 48.2 mL of 0.151 M HI solution? The reaction is KOH(aq) + HI(aq) ? KI(aq) + H2O(l)
To melt an ionic solid, energy must be supplied to disrupt the forces between ions so the regular array of ions collapses. If the distance between the anion and cation in a crystalline solid decreases
A calibration curve for absorbance versus the concentration of the chemical indicator crystal violet is found to have a slope of 19. If a sample of unknown concentration has an absorbance of 1.32
If you added 0.02 mol of X and 0.01 mol of Y to form 100g of the solution 2X(aq)+Y(l) = X2Y(aq), how many moles of X and Y would you need to bring about the temperature change of 21C to 51C?
And what is difference between single electrode and full supercapacitor device results?
Calculate the work done on a 2500. kg car in accelerating it from rest to a speed of 100. km/hr.
for the reactionno o3 rarr no2 o2the second order rate constant has a value of 1.8x10-14 molecule-1 cm3 s-1 at
A solution contains some or all of the ions Cu^{2+}, Al^{3+}, K^+, Ca^{2+}, Ba^{2+}, Pb^{2+}, and {NH_4}^+. The following tests were performed, in order, on the solution
Determine the cell reaction, the standard cell potential (E0cell) and the half-cell that acts as the cathode for the voltaic cells composed of the following half-cells.
A 50.00-mL sample of 0.100 M KOH is titrated with 0.152 M HNO3. Calculate the pH of the solution after 52.00 mL of HNO3 is added.
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