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Write the balanced 1) molecular, 2) total ionic, 3) net ionic reactions, and identify the spectator ions for the following:
sodium sulfate(aq) + strontium nitrate(aq) -->
Write the balanced 1) molecular, 2) total ionic, 3) net ionic reactions (where appropriate) for the following:
ammonium sulfide(aq) + copper(II) chloride(aq) -->
lead nitrate(aq) + sodium iodide(aq) -->
Calculate the molecular weight of the compound? Given that Kf=1.86 and the compound in not ionic.
What are the steps to follow when calculating the percent ionization of acid in a buffer solution. example) percent ionization of .20 M benzoic acid in pure water and percent ionization of benzoic acid in a solution containing
An experiment shows that a 250mL gas sample has a mass of 0.434g at a pressure of 744mm Hg and a temperature of 27C. What is the molar mass of the gas?
What are the three major steps involved in extraction of a metal after its ore is mined?
a compound is 40% C, 6.7% H, and 53.3% O by mass. Assume that we have a 100 g sample of this compound. what are the subscripts in the empirical formula?
Compare the amount of cooling experienced by an individual who drinks 400mL of water (0 degrees C) with the amount of cooling experienced by an individual who sweats out 400 mL of water at 37 degrees Celsius. Assume all sweat evaporates.
How many liters of CO2 will be produced with the complete combustion of of methane (CH4) with 4.3L of oxygen?
what volume of nitrogen gas is needed to react completely with 150.0 L of hydrogen in the production of ammonia.
Determine the pH of the solution before the addition of any HNO3. The Kb of NH3 is 1.8 × 10-5. a. 4.74 b.9.26 c.11.13 d. 13.00 e.12.55
A .499 mol sample of graphite was heated with 2.16 mol oxygen gas to form carbon dioxide. Graphite is the limiting reagent in this reaction. Calculate the total moles of gas present after the reaction?
What is your sampling rate in ml/min if you collected, over a four hour sample
How many different signals are expected for this molecule? That is, how many magnetically different hydrogens are present in the molecule? This is in general determinted by differences in bonding, and distance to an electronegative group.
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