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According to the following reaction, how many grams of bromine will be formed upon the complete reaction of 24.6 grams of bromine trifluoride? bromine trifluoride (g) bromine (g) + fluorine (g)
tripling the concentration of A increases the rate by a factor of 27, doubling the concentration of B has no effect on the rate, and tripling the concentration of C increases the rate by a factor of 3. Write down the rate law for this reaction.
Calculate the pH at each point indicated in the titration of 100.00 mL of 0.0755 M NaClO2 with 0.0412 M HCl.
in experiment to find emperical formula of magnesium oxide, why the empty crucible and cover fired to red?
how much money would you spend on gas in one week if gas costs 1.10euros per liter and your car's gas mileage is 39.0mi/gal ? Assume that 1euro=$1.26 dollars.
If you know that each copper atom (radius = 128 pm) has a mass of 1.055 x 10^-22, how many atoms are there in this cube. What fraction of the cube is filled with atoms. Why is there "empty" space in the lattice
Draw Lewis structures of the four molecules and/or ions with the formulas given below and figure out which two of these are isoelectronic with each another.
Express the molar concentration numerically using two significant figures. What is the final concentration of D at equilibrium if the initial concentrations of A = 1.00M and B= 2.00M
Calculate the entropy and Gibbs energy of mixing when the partition is removed. Assume that the gases are perfect.
Upon further analysis, the compound is found to be 25.305% C and 74.695% Cl. What is the molecular formula of the compound?
The vapour pressure of a liquid in the temperature range 200K to 260K was found to fit the expression: ln (P/Torr)=18.361-3036.8/(T/K) What s the enthalpy of vapourisation of the liquid?
Which of the following pairs of aqueous solutions will react when mixed?
The molar absorptivities for methyl red in its acid form are 44640 M^-1cm^-1 @ 524 nm and 3860 M^-1cm^-1 @ 425nm and for methyl red in its base form are 740 M^-1cm^-1 @ 524nm and 18530 M^-1cm^-1 @ 425nm
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