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Problem- Ammonium perchlorate is the solid rocket fuel used by the U.S. Space Shuttle. It reacts with itself to produce nitrogen gas, chlorine gas, oxygen gas, water and a great deal of energy.
1) What mass of oxygen gas is produced by the reaction of 9.8g of ammonium perchlorate?
Express your answer to two significant figures and include the appropriate units.
Arranging the atomic cores appropriately, write the Lewis structure for SiO2 in the box. Use electron pairs to show the bonds between the atoms. Distribute the remaining electrons so that each atom has an octet.
65.50 mL of 0.161 M HF is titrated with 0.1200 M NaOH. What is the pH at the equivalence point? (Ka for HF is 6.8 x 10-4)
Calculate the energy and the wavelength, in nanometers, of light emitted when an electron in an excited hydrogen atom
When the elements below are burned, they emit light of a specific wavelength, listed below. Calculate the frequency for each and determine whether the light emitted is visible, UV, infrared, etc.
write the net ionic equation, excess concentrated sulfuric acid is added to solid calcium phosphate
producing a mixture of CO and CO2. The total pressure is 0.640 atm. What is the partial pressure of CO?
Explain what is affinity chromatography. Explain how does a protein a column work in the purification of an antibody
How many moles of HNO3 are contained in 1.0 mL of concentrated nitric acid. Please try to show me your calculations so I can learn how to do it.
Caffeine with a mass of .265 g was used to prepare caffeine salicylate derivative. How do you find the theoretical yield of caffeine salicyIate
Ammonia gas reacts with hydrogen chloride according to the reaction given below, which must also be balanced. if 7.00g of NH3 is reacted with 12.0g of HCl in a 1.00L container at 25C
an unknown salt is either nacn nac2h3o2 naf nacl or naocl. when .100 mol of the salt is dissolved in 1.0 l of solutionk
Calculate the pH of a solution made by mixing 100. mL of 0.200 M acetic acid (HC2H3O2) with 100.0 mL of 0.100 M NaOH. (Ka for HC2H3O2 = 1.8 x 10-5)
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