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Bombardment of boron-10 with a neutron produces a hydrogen-1 atom and another nuclide. What is this nuclide?
A. beryllium-10
B. boron-11
C. boron-9
D. carbon-12
E. beryllium-9
Calculate the pH for each of the following cases in the titration of 50.0 mL of 0.220 M HClO(aq) with 0.220 M KOH(aq). The ionization constant for HClO
A 3.84-mole sample of a gas is held at a temperature of 297 K and a pressure of 286 atm. Determine the volume of the gas sample.
What is the percent copper of the penny? the rest is Zn, which does not plate out under these conditions and remains in solution.
How much heat is required to convert 32 g of ethanol at 27 degrees C to the vapor phase at 78 degrees C?
During the Purification of Lactate Dehydrogenase (LDH) experiment, you will need 50ml of buffer A150. Buffer A150 is 30mM Tris (pH 8.8) and 150mM NaCl. Given 1L of 1.5M Tris and 500ml of 5M NaCl,
Calculate the average induced voltage between the tips of the wings of an airplane flying 10,000m above West Haven at a speed of 1080 km/h. The wingspan of the airplane is 36.6 m, the Earth's magnetic field in West Haven is 5.5×10-5 T and the dip ..
Every measurement has a measurement uncertainty. Discuss how precise and accurate measurement can be achieved in spite of the inherent measurement uncertainty.
before addition of any HCl (b) after addition of 25.0 mL of HCl (c) after addition of 50.0 mL of HCl (d) after addition of 100.0 mL of HCl
An excess sample of solid Ag2SO3 is added to 100 mL of water. After equilibrium is achieved between the solid and its aqueous ions the silver ion concentration is found to be 2.486e-05 Use this information to find Ksp for Ag2SO3
The pH of the solution at the equivalence point, The pH of the solution after 40.0 mL of HCl are added.
A 1.724 M solution of a compound in water has a density of 1.281 g/mL at 20°C. The compound has a molar mass of 62.30 g/mol.
Which atom has the least attraction for the electrons in a bond between that atom and an atom of hydrogen?
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