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How does the structure of an ionic compound differ from that of a molecular compound
Question- From its electronic configuration, predict which of the first 10 elements would be most similar in chemical behavior to the as yet undiscovered element 165.
If 250mL of methane, CH4 effuses through a small hole in 48 s, the time necessary for the same volume of helium to pass through the hole will be?
Compute the activation energy for the reacion N2O5(g) yields 2NO(g) +1/2 O2(g) from the observed rate constants at the subsequent two temperatures at 25C, k=2.68x10-5 s-1 and at 55C, k=1.3x10-3 s-1
The reaction above took place and 3.25 liters of oxygen gas were collected over water at a temperature of 27*C and a pressure of 765 milimeters of mercury. The vapor pressure of water at 27*C is 30.0mm of mercury. What is the partial pressure of t..
what and how much effect does this have on the measured pressures? What is the effect on the value of?
a sample of nitromethane is sealed in a 15.0-l flask with oxygen gas in the stoichiometric ratio indicated in the
A backpacker wants to carry enough propane to heat 2.00 L of water from 25.0 degrees Celsius to its boiling point. If each gram can generate 29.5 kJ of heat, what volume of propane (in mL) should the backpacker take with her camping
Nylon undergoes depolymerization when heated in aqueous acid. Propose a reaction mechanism that accounts for this fact, using curved arrows to symbolize the flow of electrons.
Write a balanced, net ionic equation for the reaction of Na2S(aq) and ZnSO4(aq) , also please include physical states and charges of ions.
a disinfectant states that it will kill 99.9 of bacteria if left on for 45 minutes. what percentage of bacteria are
if a gas occupies 733 mililitres at the temperature of ten degree celsius at what temperature will it occupy nbsp950
Explain why light intensity is dependent on the distance the detector is from the light source. Describe the mathematical relationship. Explain why all comparative measurments for this experiment should be made with the optical cable the same dist..
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