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A plane is flying level with a speed of 320 ms/ and an unknown altitude above ground level and drops an uguided bomb over a flat bombing range. if the bomb travels 2000m downrange, what altitude did the pilot release the bomb? Ignore air resistence.
assuming the density of water is 1.00gml at ambient temperature what is the exact volume in ml of teh 250-ml erlenmeyer
The efficiency of light source = energy of visible light/ total energy 7. What is the relationship between light intensity and distance from the source?
How many grams of silver and how many grams of chloride ions are in 1 L of solution?
A 0.0100 L sample of H2SO4 (Sulfuric Acid) was titrated with 0.150 M NaOH. It took 23.3 mL of NaOH from the buret -- that's 0.0233 L -- to reach the titration endpoint.
What is the maximum number of grams of NaCl that can be added to 4.0 L of a 0.0090 M lead(II) chloride solution (without changing the volume significantly)
acetone ch32co. has a density 0.7857 gcm3.determine the mass of 28.56 ml of acetone and express your answer in grams?
write balanced molecular ionic and net ionic equations for the reactions of chromium gives cr3 with solution of dilute
5 Stars for showing work. A galvanic (voltaic) cell consists of an electrode composed of zinc in a 1.0 M zinc ion solution and another electrode composed of gold in a 1.0 M gold(III) ion solution
Draw the Lewis structure and shape for the ammonia, NH3. Which of the following statements are correct. VSEPR Choose at least one answer. a. There are 8 valence electrons. b. There are 10 valence electrons.
There are two stereoisomeric 1,3-cyclobutane carboxylic acids. one can form a cyclic anhydride, the other can not. draw the structures of theses compounds and indicate which one can be converted to a cyclic anhydride. explain
Calculate the weight of water required to steam distill 500 mg of bromobenzene at 95 degree Celsius. The vapor pressure of water at this temperature is 640 torr; that of bromobenzene is 120 torr
What is the nature of the substance(non polar, polar, ionic) and intermolecular force(ionic or van der waals if van der walls give type including h-bond)
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