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What is the relationship between the atomic numbers and the ionic radius of the elements in a group.
Calculate the mass of sugar (C12H22O11) that must be dissolved in 700 g of water to prepare 20% sugar solution
Balance the following redox reaction as it occurs in the basic solution. What are the coefficients for OH^- an ClO^- in the balanced equation? Cr(OH)4^- (aq) _ ClO^- (aq) arrow CrO4^2- (aq) + Cl^- (aq)
Calculate the resulting CO2 concentration in the atmosphere 30 years from now assuming that we will use only coal to generate electricity. Assume efficiencies of 40% for power plants.
What are structures and what process used in the reaction of Isobutylene with HCL to get tert-butyl-chloride?
Using the data in your textbook, calculate the concentrations of the molecular and ionic species and the pH in aqueous solution that has a formal composition of 0.0700 M KH2PO4 + 0.5500 M K2HPO4.
Write the structural formula for each of the following compounds. 3-ethyl-2,3-dimethylpentane
How many mL of 0.220 M of NaOH are needed to completely hydrolyze 2.40 grams of propyl acetate.
What is its speed in cm/sec? (b) How far in meters would it travel in 2.00 days? (c) If a snail weighs 2.00 grams, how many snails would it take to make a firkin at sea level?
Calculate the mass in grams for an iron bar that loses 2.72 when its temperature drops from 242 to 72.
Calculate the heat of neutralization when it is given that : heat capacity of the calorimeter =28.7 J/oC ,the specific heat of the mixture =4.184 J/goC, density of the solution =1.02 g/mL.
a radioisotope used to evaluate heart function in exercise stress tests, decays by capturing one of its own core electrons. it also emmits gamma rays. write an equation for its nuclear decay, then identify the daughter isotope
What is the molecular weight and structure? Also what does this compounds infrared spectrum and NMR spectrum show?
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