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In a reaction system at equilibrium, more reactants were formed when the temperature was increased. The reaction is A. endothermic B. exothermic
Enter the molecular, ionic and net ionic equation for the following reactioins. I am having trouble figuring out when to make the water molecule and when not to.
a 670 ml gas sample at stp is compressed to a volume of 284 ml and the temperature is increased to 20 c. what is the
What are the coefficients in front of C2H6O and C2H4O when the equation given below is balanced. The reaction occurs in aqueous acid.
For my class data from reading a value off the buret with water inside my class results are 11.21, 11.23, 11.23, 11.23, 11.23, 11.24, 11.24, 11.25, 11.25, 11.25, 11.25, 11.25, 11.26, 11.28, 11.28, 11.29, 11.30 from increasing order.
consider reduction of the following cobalt complexes conh35l3 l pyridine i nc5h4-p-ch2nh2 ii nc5h4-p-conh2 iii by
can you find out the name of the hydrate and its chemical formula if 5.00 g of fecl3 . xh20 are heated 2 grams of water
For the reaction N2O4== 2 NO2 what is the effect of adding NO2 to the reaction vessel A. the reaction will shift to the right B. the reaction will shift to the left C. there will be no further reaction
How do I know how many subshells each letter has (s, p, d, f) and how do I know how many electrons can be found in each subshell. E.g. why does 4f have 14 electrons
iron sulfide fes is a sparingly soluble salt with a ksp of 6.3 x 10-18. calculate the molar solubility of iron sulfide
How much 0.20mol/L NaOH must be added to this buffer to raise the pH to 5.1. If the same amount of 0.20 mol/L NaOH were added to 250mL of deionized water, what would the new pH be
A 2.30-g sample of a large biomolecule was dissolved in 16.0 g of carbon tetrachloride. The boiling point of this solution was determined to be 77.85°C.
A solution containing potassium bromide is mixed with one containing lead acetate to form a solution that is 0.013 M in KBr and 0.0035 M in Pb(C2H3O2)2. Will a precipitate form in the mixed solution
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