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How do i win a game of ping pong using tremendous magical powers?
Explain what is the relation of the possible angular momentum quantum numbers to the principal quantum number
When 37.0 mL of 0.640 M H2SO4 is added to 37.0 mL of 1.28 M KOH in a coffee-cup calorimeter at 23.50°C, the temperature rises to 30.17°C. Calculate H of this reaction per mole of H2SO4 and KOH reacted.
What type of bonding is used between the Cu2+ cation and the SO42- anion, in CuSO4 (ionic, covalent...)? Write an equation for the process of solid CuSO4.xH2O dissolving in water.
How many electrons should we expect to see associated with the lowest energy peak in the photoelectron spectrum of the element Arsenic (As)
Calculate the unit-cell edge length of the densest diamond. Assuming the cell dimensions are fixed, how many C atoms are in the unit cell of the diamond with the lowest density
What's the difference between revising and editing?
what is the molecular weight of a gas if a 250 ml sample of this gas collected over water at 735 mm hg and 28.0degc has
a certain brand of antacid chewing gum was sent to the lab for testing and it was found to have 15 by mass of
Problem- in both reaction #a and reaction #b, the dissolved hygrogen chloride in the hydrochloric acid solution is part of the system. Why is this
calculate the mass of magnesium needed to generate 80.0 ml of h2gas. assume a temperature of 22.0 degc and a pressure
Calculate the standard enthalpy of the reaction, \Delta {{H}^\circ}_{\rm rxn}, for the thermite reaction: \rm 2Al(s) + Fe_2O_3(s) \rightarrow 2Fe(s) + Al_2O_3(s)
A biochemical engineer isolates a bacterial gene fragment and dissolves a 19.8 mg sample of the material in sufficient water to make 35.4mL of solution. The osmotic pressure of the solution is 0.340 torr at 25°C.
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