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Problem- The city of LA is now 2400 mi south of alaska. If LA is to arrive near Anchorage Alaska in 76million years at what average rate will it have to move in mm per month?
Write your solution in appropriate format and provide references
a reaction having time independent stoichiometry follows the equation a2b 2z . suppose the initially there 0.28 mol of
The density of magnesium is 1.7 g/cm3, and the density of iron is 7.9 g/cm3. Consider a block of iron with a mass of 819 g. What is the mass of a block of magnesium that has the same volume as the block of iron
6.48g of NAH2PO4 and 21.96 g of K2HPO4 are dissolved in sufficent water to make a liter of solution. Caluclate the ph of the resulting solution.
zinc reacts with 100. ml of 6.00 m cold aqueous sulferic acid through single replacement. how many grams of zinc
calculate the molar volume of cl2 at 350 k and 2.30 atm using a ideal gas law and b the van der waals equation.use the
The Ogallala aquifer is the largest in the United States, covering 450,000 across eight states, from South Dakota to Texas. This aquifer provides 82% of the drinking water for the people who live in this region
Calculate the pH after the following additions of the KOH solution (a) 10.0 mL (b) 11.5 mL (c) 15.0 mL (the Ka for CH3COOH = 1.8 x 10^-5)
A mixture of NaBr and NaI has a mass of 1.620 g. When treated with excess AgNO3, it yields a mixture of AgBr and AgI which has a mass of 2.822 g. What mass of NaI was present in the original mixture?
The central atom has 4 electron domains. d) The central atom has 5 electron domains. e) The central atom has 2 electron domains.
A compound contains 40.00% carbon, 6.67% hydrogen, and 53.33% oxygen. Determine the empirical formula of the compound. Give the chemical formula for calcium phosphate.
in certain cases calcium hydroxide and sulfuric acid react to produce calcium bisulfate and water. when 0.0720 mol
25 mL of 0.100 M AgNO3 are mixed with 35 mL of 0.0500 M K2CrO4. (a) Calculate the concentrations of each species at equilibrium.
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