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5.0 kg of hydrogen is reacted with 31 kg of oxygen. The experiment yields 28 kg of water. Calculate the percent yield of the reaction.options:
80. %
63 %
40. %
90. %
161%
at 520 degrees celius the equlibruim mixture in a three cubic decimeter container consists of 0.2 moles of h2 and 0.2 mole i2 , if the equlibrium contant is o.016, calculate the concentration of hyrdogen iodide at equlibrium HI.
How should the two heats of reactions for the neutralization of NaOH and the two acids compare? Why?
What is the pH when 100 mL of 0.1 M NH3 is titrated with 50 mL of 0.2 M HCl? pKa of NH4Br is 9.25.
Alkenes contain double bonds while alkynes contain triple bonds, Naming compounds containing double as well as triple bonds
the 20ml of water added to the erlenmeyer flask is to be previously boiled deionized water. since water does absorb co2
The solubility of PbI2 in water is 0.62 g in 1.0 L of water at 25 degrees C. What is the value for Ksp for PbI2
write and balance the given chemical equation.1.write balanced chemical equations for the following reactions.nbspwhen
when elemental sulfur is heated with a gas forms that contains only sulfur and fluorine. the following tests were
draw the contributing resonance structures for each of the following species. label the structures as major or minor contributors.
Calculate the [SCN-] solution A, where 5.7 mL of 2.910?3 M NaSCN is diluted to 44.0 mL with 0.1 M Fe(NO3)3. Next calculate the [FeSCN2+] in the solutions prepared by diluting volumes of solution A with 0.1 M Fe(NO3)3
If one added 0.01 M of CaCl2 to this solution, how many moles of Ca(OH)2 will now dissolve in 1.0 L of water containing this concentration of CaCl2
if in a certain experiment over a specific time period 0.0045 mol ph3 is consumed in a 1.9 l container each second of
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