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A particle moves from the origin to the point x=3m y=6m along the curve y=ax^2-bx, where a =2m^-1 and b=4. It's subject to a force cxyi+dj, where c =10N/m^2 and d=15N. Calculate the work done by the force.
A 97 gram solution of silver nitrate contains 10 grams of AgNO3. What is the percent by mass of silver nitrate in this solution
A biological membrane contains N ion channl proteins. Explain the fraction of time that any one protein is open to permit ions to flow trough is q. Express the probability P (m, N) that m of the channels will be open at any given time.
Problem- potassium perchlorate, KClO4(s) is soluble in water to the extent of 0.70 grams per 100.0 ml at 0 degrees Celsius. What is the Ksp of KClO4 at 0 degrees Celsius. FW of KClO4 is 138.55.
What is the molar mass of the acid? If the unknown acid had the formula H2X, could this experiment be used to determine its molar mass? Explain why or why not
1.00 mol/s of methane (CH4) is combined with 2.00 mol/s of oxygen (O2) and completely combusted isothermally to CO2 and H2O vapor at 500°C and 1 atm. How much heat (in kJ/s) is required for this process.
Use the values from the table of reduction potentials on the last page to determine ?Gº and Keq for the reaction as listed below. Pb (s) + Sn2+ (aq) ? Pb2+ (aq) + Sn (s) ?Gº
Consider a solution formed by mixing 48.0 mL of 0.100 M H2SO4, 36.0 mL of 0.100 M HOCl, 25.0 mL of 0.200 M NaOH, 2 mL of 0.100 M Ca(OH)2, and 10.0 mL of 0.150 M KOH. Calculate the pH of this solution.
A chemistry lab experiment requires 36.3 g of silver nitrate. How many grams of a 12.5% by mass solution of silver nitrate should be used?
Calculate the pressure inside the graduated cylinder it the height of the water is 5mm higher than the water in the trough. The atmospheric pressure is 760 mm Hg
Calculate the equilibrium constant (Keq) for the reaction of equimolar amounts of acetophenone and sodium hydroxide to generate the enolate.
Can you explain acid and base relationship in Chemistry? Ie. Nacl and OH and how you can identify the prosperity of an acid and base question
a 530. g piece of copper tubing is heated to 89.5degc and placed in an insulated vessel containing 159 g of water at
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