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(a) Methane (CH4) and the perchlorate ion (ClO4-) are both described as tetrahedral. What does this indicate about their bond angles?
(b) The NH3 molecule is trigonal pyramidal, while BF3 is trigonal planar.Which of these molecules is flat?
the gas from a certain volcano had the following composition in mole percent that is mole fraction multiplied by 100.
a coffee contains 100 ml of h2o. initial temperature of calorimeter is temperature 23c.if 8.20g of cacl2 is added to
If you allow 10.0 g of sodium chlorite to react with 2.00 L of chlorine at 1.50 atm and 21 degrees Celsius, what would be the volume of the chlorine dioxide produced and measured under the same conditions of temperature and pressure? a. 4.0 L ..
Calculate the solubility of MnOH2 in grams per liter when buffered at pH=7.0 and pH=9.8 and pH=11.6
Na2CO3+H3PO4=Na3PO4+H2O+CO2 find the limiting reagent if you strat with 450ml if 2.6M NA2CO3 and 88 grams of H3PO4, what is the maximum amount of grams you can make of Na3PO4? how many grams of the other starting martial is left over
The Ksp of silver chloride (AgCl) is 1.8 x 10-10. If a solution had a [Cl-] = 0.0010 M, what would be the equilibrium concentration of Ag+ in the solution with some solid AgCl in contact with the solution
Draw the structure of the organic compound that exists when lidocaine is in the presence of an acidic solution, for example, hydrochloric acid. You may use standard implicit style for atoms and lone-pairs if you like
The osmotic pressure of a liquid at 320 K is 145 kPa. Compute the freezing point of the solution. Explain how to solve without knowing what the substance is or being given values for the freezing point constant (kf), density or molar mass.
a mixture contains 76.5 nacl and 6.5 mgcl2 and 17 na2so4 by mass what is the molarity of cl- ions in a solution formed
If the contents of the container are the system and heat is able to flow through the container walls, what qualitative changes will occur in the temperatures of the system and in its surroundings? What is the sign of q associated with each change?..
Briefly define the Born interpretation of the square of the wavelength. Consider it is concerned with how we locate particles using quantum mechanics.
For reversible adiabatic expansion of a perfect gas, state if possible whether the following are positive, negative, or equal to zero. State a short explanation for each.
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