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Use the octet rule to predict the formula of the simplest compound formed from hydrogen and silicon.
A. SiH2B. Si2H3C. SiH4D. SiH
Given the initial concentrations of 0.10 atm NO2 and 0.10 atm N2O4 in a 1.0 L flask, what will be the equilibrium partial pressure of NO2? N2O4(g) ? 2 NO2(g) Kp = 0.660 at 319 K
Calculate the rpoportion of I2 (iodine) molecules in their ground state, first excited stated
Draw sodium formate by placing atoms on the grid and connecting them with bonds. Include all lone-pair electrons.
If a water sample has a phosphate concentration of 2.0 x 10-6 M, at what calcium ion level will a precipitate of Ca3(PO4)2 begin to form if the Ksp = 1 x 10-25
Calculate the maximum work for the following cell if 88.9 g of Cl2 are produced and the emf is 0.520 V: 2 BaCrO4 + 16 H3O+ + 6 Cl- 2 Ba2+ + 2 Cr3+ + 3 Cl2 + 24 H2O
A 2.5L bottle of concentrated sulfuric acid H2SO4 (16M) falls and breaks on the floor. What mass of NaHCO3 would be required to neutralize this acid spill through the following reaction HCO3 + H => H2O +CO2
What is the PH change of a 0.270M solution of Citric Acid (pKa = 4.77) if citrate is added to a concentration of 0.145M with no change in volume?
Tell what type of chemical reaction is represented by the following chemical equation.
Why do heavier atoms have a larger translational partition function than lighter atoms at the same temperature?
It is known that N2O is a linear molecule, but assume it is not known whether the structure is N-N-O or N-O-N. Use the IR data to decide between the two structures. What Vibrations can be assigned to the strong absorbtion bands? What are the possi..
A 1.5618-g sample containing sulfate ion was treated with barium chloride reagent, and 0.2321 g of barium sulfate was isolated. Calculate the percentage of sulfate ion in the sample.
The total phosphate concentration is 0.001 M. No other weak acids or bases are present. How many millimeters of 0.5 M H2SO4 are needed to decrease the pH of 1 liter of this water to 6.0
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