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A charge is placed at x = 0 meters and another charge of 5 micro-coulombs is placed at x = +5 m (both on the x axis). The total electric field produced by these two charges is zero at x = +2.3 meters. Then the charge at x = 0 m, switches sign but its magnitude is not changed. Where on the x axis (x = ____ m), is the total electric field equal to zero now? Answer in meters.
Calculate the stoichiometric ratio for the mass loss of C02 and H20 per gram of NaHC0
For a particular amount of gas at a constant temperature, the pressure is 3.00 atm at a volume of 80.0 mL.
5H2C2O4(aq) + 2KMnO4(aq) + 3H2SO4(aq) ---> 10CO2(g) + 2MnSO4(aq) + K2SO4(aq) + 8H2O(l). What is the concentraton of KMnO4 solution if 22.35mL reacts with 0.5170g of oxalic acid.
Using a sample of a compound containing only oxygen and chlorine reacts with an excess of H2 gas to give 0.206 g water and 0.278 g HCl . ClxOy in presence of H2 (g) → HCl + H2O all the oxygen
You are a member of EPA enforcement team investigating the possible ongoing dumping of arsenic in Cavalier Lake. You take water samples from the middle of the lake and find that the concentration is 89.6 ppb. 10 days later you take another sample ..
What is the molar concentration of a solution that contains 165 g of sodium sulphate dissolved in 3.00 L of solution?
An unknown carbonyl compound tested positive when mixed with chromic acid solution. It also showed positive results in the iodoform test. Draw the structure of this compund
Calculate the pre-equilibrium concentration of Fe3+(aq) in a solution made by mixing 2.8 mL of 2.010?3 M Fe(NO3)3 and 7.2 mL of 2.010?3 M NaSCN. Assume the final volume is 10.0 mL.
Ammonia NH3 chemically reacts with oxygen gas O2 to produce nitric oxide NO and water H2O. Explain what mass of nitric oxide is produced by the reaction of 7.3g of oxygen gas
Will the equilibrium concentration of Fe3+ be too high, too low, or unaffected. Explain. Will the compute equilibrium be at constants being too high, too low or unaffected. Explain.
Question- Calculate the pH of a 0.20M NH3 / 0.20M NH4Cl buffer after the addition of 30.0 ml of 0.10M HCl to 65.0 ml of the buffer.
sodium-24 is a radioistope with half life of 15 hors. a sample of pure sodium-24 has an inital mas of 400.0g. what mass
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