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The density of an unknown metal is 8.94 g/cm^3 and its atomic radius is 0.126 nm. It has a face-centered cubic lattice. Find the atomic weight of this metal.?
Four ice cubes at exactly 0 ^\circ {\rm{C}} having a total mass of 53.5 g are combined with 110 g of water at 77^\circ C in an insulated container.If no heat is lost to the surroundings, what will be the final temperature of the mixture?
Balance the following equations and point out the reductant and oxidant in each equation. May need to add H+ or H2O to some equations.
guesstimate the extent of the dipole moment of h2o in debye units treating h2o as three point charges. suppose the o-h
suppose you have 0.001 m solution of a dye with pka of7.2. from the color concentration of protonated form is found to
NaOH and then 25.0mL of 0.5 M of your weak acid HA with 0.500M NaOH. How would the titration curves compare at 10 or 15 mL of NaOF beyond the equivalence points
The world burns approximately 9.0x10^2 kg of fossil fuel per year. Use the combustion of octane as the representative reaction and determine the mass of carbon dioxide
Add HCl or NaOH to 1.00 L of 1.00 mol L-1 HA(aq) to obtain a solution with a pH of 4.00 at 25oC? How many moles of HCl or NaOH are required
When alkynes are treated with sodium metal, NA, in liquid ammonia, sodium acts as a: A) Bronsted acid B) Bronsted base C) reducing agent D) catalyst and if possible why
Finding Number of Atoms in a Molecule from Molecular Weight, As determined from the gas law, the molecular weight of a substance is eight times the atomic weight
Consider the following species with tetrahedral electron-pair geometries and select the species with the smallest predicted bond angles.
What mass of silver iodide can be made by the reaction of 10.0 g of Silver nitrate (AgNO3) with 10.0 g of sodium Iodide (NaI)? Ag+(aq) + I-(aq) ---> AgI (s)
If 5.68 g of Cu was added to 3.18 g of S8, How much copper (I) sulfide would be produced?
Give the steps to prepare the column required for the best purification of 0.40g of crude product using silica
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