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What volume in milliliters of a 0.5 solution of copper ll sulfate, CuSO4, is needed to react with an excess of aluminum to provide 11g of copper?
Explain what does it mean that a system is in its ground state. What is an operatr for which the wavefunction of such system is the eigenfunction?
Carbon NMR has only the following peaks: 29.8, 36.1 and 206.8 ppm. Propose a structure of this compound and explain splitting pattern and the ratio
four different solutions containing bases are shown below. What are the relative strengths of the bases shown in I-IV? Explain your reasoning. Note: H2O molecules are not shown for clarity.
On a smoggy day in a certain city the ozone concentration was 0.54 ppm by volume. Calculate the partial pressure of ozone and the number of ozone molecules per liter of air if the temperature and pressure
How might temperature changes in the human body have an impact on human health? (Use an example to help illustrate your understanding). The human body goes through various temperature changes during a single day.
What mass of aluminum, in grams, can be heated from 24.5C to 44.0C by a quantity of heat sufficient to raise the temperature of 125 g h2O through this same temperature interval
What volume of each of the following acids will react completely with 50.31 mL of 0.146 M NaOH?
The rate of the reaction will increase if the pressure of the gases increases. The rate of the reaction will remain constant with increasing temperature. The rate of the reaction will increase as time increases.
Ammonia reacts with hypobromite, OBr-, according to the equation below. Find the molarity of OBr- is 13.35mL of solution reacts with 4.66mg of NH3 (molar mass = 17.03). 2NH3 + 3OBr- ----> N2 + 3Br- + 3H2O
A pstient is administered mercury-197 to help evaluate kidney fuction. Mercury-197 has a half - life of 65 hours. what fraction of an initial of an initial does of mercury-197 remains after 6-0 days?
4HCl(aq) + O2(g)--->2H2O(l) + 2Cl2(g) how many molecules of Cl2 would be formed from the reaction mixture that produces the greatest amount of particles?
What kind of bond is being made with the orbitals between M and C, σ or Ï€? Predict what will happen to the strength of the CO bond in a metal â€"CO complex as compared to CO alone.
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