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A compound of arsenic as well as fluorine is a gas. Explain a sample weighing 0.100g occupies 14.2mL at 23 C as well as 75 mmHg. Explain what is the molecular weight of the compound?
A researcher studying the nutritional value of a new candy places a 4.20-gram sample of the candy inside a bomb calorimeter and combusts it in excess oxygen. The observed temperature increase is 2.71 °C
What is the concentration of a solution (in M) which contains 59.3 g of sucrose (C12H22O11) in 673 mL of solution
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.
Using your average value for Kc and the concentrations provided for the reactants, determine the absorbance expected when 16.00mL of Fe 3+ (aq) is reacted with 10.00 mL of SCN (aq).
Suppose that the gas-phase reaction A B and B A are both elementary processes with rate constants of 6.56e-02 s-1 and 3.51e-04 s-1, respectively
consider the following reaction 4hcl o2 ---gt 2h2o 2cl2. how many molecules of would be formed from the reaction
The minimum frequency of light needed to eject electrons from a metal is called the threshold and find the minimum energy needed to eject electrons from a metal with a threshold frequency of 3.27*10^14s^-1.
If a pure R isomer has a specific rotation of -133.0°, and a sample contains 64.0% of the R isomer and 36.0% of its enantiomer, what is the observed specific rotation of the mixture
Calculate the ratio of the hydronium ion in acid rain to that in normal rain.
a compound of phosphorus and chlorine used in the manufacture of a flame retardant treatment for fabrics contains 1.20
slower than Friedel-Crafts alkylation of benzene and gives a mixture containing mostly o- and p-tert-butyltoluene. d. slower than Friedel-Crafts alkylation of benzene and gives mostly m-tert-butyltoluene.
Solve an equilibrium problem (using an ICE table) to calculate the pH of each of the following solutions. .14 M CH3NH2
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