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Flight time a projectile launched at an angle is given by:
Explain how you can graphically obtain gravitational field strength g, by plotting Tf vs. sinθ.
Use this graph to calculate g and compare it with known value of 9.81 m/s2.
a 100 ml stock solution contains 4.1 m na3po4. when 31 ml of the stock solution is diluted to 73 ml how many moles of
Determine the following characteristics of the titration curve for 25.0 mL of 0.400 M NH3(aq) titrated with 0.335 M HI(aq). (For NH3, Kb = 1.8x10-5.) (1a) The initial pH : (1b) The volume of HI(aq) required to reach the equivalence point : (1c) Th..
Two liters of argon gas at 300 K and 5 atm are expanded against a constant opposing pressure of 1 atm until mechanical equilibrium is achieved.
NaOH and then 25.0mL of 0.5 M of your weak acid HA with 0.500M NaOH. How would the titration curves compare at 10 or 15 mL of NaOF beyond the equivalence points
Question- When 0.298 moles of B completely reacts according to the reaction above, 49.9 kJ of energy is released. What is the pH for the reaction as written above
Suppose we start with 0.0530 mol of N2O5 in a volume of 5.2 L. How many minutes will it take for the quantity of N2O5 to drop to 0.0253 mol?
1.2 mole of a monoatomic ideal gas that occupies a volume of 13L at 248K spontaneously and isothermically expands until its voulme is doubled.
Assume the volume of a person can be modeled by a cylinder that is 4 ft tall. The average denisty of a human is 1g/cm3 and the average density of fat is .918 g/cm3.
Why was the titration performed by the addition of permanganate solution to oxalate solution and not the other way around? Why was the experiment performed at an elevated temperature?
an element t burns in air with a blue flame forming white fumes which dissolve in water to form a solution that turns blue litmus paper red(t is not the actual symbol)
An unkown metal crytallizes in one of the three cubic lattices.The edge length of the unit cell is 408pm.Given that the atomic radius of the metal is 144pm and the density of the solid is 19.3g/cm-3, what is the atomic symbol of the metal? a=2R a=..
Given the energy of a diatomic molecule with masses m1 and m2 constrained to move along the x axis. The force constant of the bond connecting the two atoms is k.
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