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The decomposition of phosphine, PH3, to P4 (g) and H2 (g) is first order. Its rate constant at a certain temperature is 1.1 min^-1. Calculate its half life.
a titration required 18.38 ml of 0.1574 M NaOH solution. How many moles of NaOH were in this volume?
how many milliliters of a .250 m sulfuric acid solution would be required to completely react with 2.398 grams of solid
If the reaction of 0.650 g of rhodium(III) sulfate with excess sodium hydroxide produces 0.320 g of rhodium(III) hydroxide, what is the percent yield
Which of the following is true of the internal energy of a system and its surroundings during an energy exchange with a negative
the reaction converting glycerol to glycerol-3-phosphate is energetically unfavorable by 9.2kj. the reaction of atp
Zinc phosphate (Zn3(PO4)2) has a solubility product constant Ksp = 9.0 x 10^-33. What is the solubility of zinc phosphate in... a) ...pure water? b) ...0.02 M ZnCl2? c) ...0.005 M Na3PO4
A solution gave a precipitate when ammonium oxalate was added but gave no precipitate when ammonium sulfate was added. For each Magnesium group ion(Barium, Magnesium, Strontium, and Calcium) tell whether the ion
Complete and balance the following redox equation thatoccurs in acidic solution using the set of smallest whole-numbercoefficients. What is the sum of all the coefficients in the equation? PbO2(s) + Cl^- ? Pb^2+ + Cl2(g) (acidic solution).
Reductive amination can be used to form primary, secondary, and tertiary amines. Secondary amines are more basic than primary amines due to extra electron donation by the alkyl groups.
how much heat is required to convert 27.0 g of ethanol at 23 c to the vapor phase at 78 c in kj? ethanol c2h5oh boils
An aqueous potassium nitrate solution has a freezing point of -2.0 °C. How many moles of potassium nitrate are contained in 0.5 kg of water in this solution? The freezing point depression constant for water is -1.86 °C/m.
Iodine-131 decays to produce xenon-131. Which type of nuclear radiation is emitted in this reaction
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