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Magnesium nitride reacts with liquid water to form insoluble magnesium hyrdroxide and ammonia. What is the balanced equation for such?
A hydrate of cobalt (ii) chloride had a mass of 238.1 g before heating. After heating, the anhydrous CoCl2 weighed 130.7 g.
What is the mass of the water that was driven off?
How many moles of water were driven off?
How many moles of anhydrous CoCl2 remain?
What is the hydration number (moles of water per mole of compoud)?
Which carboxyl group is more acidic in 3-chlorohexanedioic acid? The 2 carboxyl groups in 3-chlorohexanedioic acid are not equivalent and have different dissociation constants
Aspartame (C14H18N2O5) is a solid used as an artificial sweetener. Its combustion produces carbon dioxide gas, liquid water, and nitrogen gas. What is the coefficient of aspartame in the balanced equation for the reaction? (Balance the equation wi..
Determine the energies of ten lowest energy levels for this system.
Calculate script e° values for the following cells. Which reactions are spontaneous as written (under standard conditions)? Balance the reactions. Standard reduction potentials are found in the table
Standard Enthalpies of Formation: acetic and AB2 = - 25.65 kCal/ mole,A++ = -8.65 k Cal/ mole,Temperature = 10 Degree Celsius determine pK,
You have samples of approximately 8mL solution with ph ranging from 4 to 10. Calculate the volume of 1M HCIO4 needed to lower the ph to 2.5.
Calculate the value of Delta S in heating 3.5 moles of a monatomic ideal gas
Metallic copper is formed when aluminum reacts with copper(II) sulfate. How many grams of metallic copper can be obtained when 54.0 g of Al react with 319 g of CuSO4?
explain why the vitamin tablet is crushed before titrating with the iodate titrant.
isothermally against a constant external pressure of 2.85 atm from 3.12 L to 11.85 L. Calculate the values of q, w, delta H, delta S system, delta S surroundings, delta S universe and delta G.
What mass of oxygen will react with 2.64g of magnesium? 2Mg(s)+O2(g)-->MgO(s)
Find the confidence limit (95% confidence level), true value (from literature), absolute error, and relative error).
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