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What error would be introduced into the determination of the density of the irregularly shaped metal pellets if you had not stirred/shaken the pellets to remove adhering air bubbles? Would the density be too high or too low?
How will this inadvertent transfer affect the calculated solubility product for calcium hydroxide. How will this inadvertent transfer affect the calculated molar solubility for calcium hydroxide
the atomic mass of chlorine is listed as 35.454 amu on the periodic table. it has two naturally occurring isotopes, Cl-35 and Cl-37. what are the approximate percentages of each?
how many grams of gold would plate on the metal used for the medallion? Explain what you are thinking as you show your calculations.
The nickel-cadmium battery cell has a standard potential of +1.20 V. The cell reaction is: 2 NiO(OH)(s) + Cd(s) + H2O(l) --> 2Ni(OH)2(s) + Cd(OH)2(s) What is the standard free energy change for this reaction
Calculate whether soils in the region are subject to excessive sulphate loading if the only source of sulphate is rainfall and if the recommended maximum is set at 20 Kg SO4-2 ha-1.
Calculate the mass of water produced from 9.47g of methane, CH4, reacts with an excess of oxygen in the following unbalanced reaction. 2C8H18(g)+25O2(g)=16CO2(g)+18H2O(g)
topic global warming is one of the most serious environmental problems today as it is caused primarily by the burning
an antacid tablet containing magnesium hydroxide as an active ingredient requires 22.6 ml of 0.597 m hcl for complete
Calculate the energy of a photon emitted when an electron in a hydrogen atom undergoes a transition
Why does LiBr have a stronger lattice energy then LiF Why does NaCl have a higher lattice energy then Mg3N2. ( I thought it would LiF because smaller ion and Mg3N2 because greater charge)
The molar mass for NaCl and water are 58.443 g/mol and 18.015 g/mol, respectively. Calculate the partial molar volumes for NaCl and water in a 0.35m solution
How many grams of NH3 can be produced from the reaction of 28 grams of N2 and 25 g of H2
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