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An aqueous solution of hydrazine, N2H4, can be prepared by the reaction of ammonia and sodium hypochlorite.
2NH3(Aq) + NaOCl(aq)---> N2H4(aq) + NaCl(aq)
What is the theoretical yield of hydrazine, in grams, prepared from the reaction of 125.0 mL of 0.500M NH3(aq) with 25.0mL of 1.70M NaOCl (aq)?
How much heat do you need to raise the temperature of 150 g of gasoline from 30oC to 15oC?
When heated to 350 at 0.950 , ammonium nitrate decomposes to produce nitrogen, water, and oxygen gases.
Water at 0 degrees C was placed inside a vessel maintained at low pressure by a vacuum pump. After some of the water evaporated, the remainder froze. If 1.2g of water evaporated, how much ice was obtained? Use the heats of vaporization and fusion ..
a student prepared aspirin in a laboratory experiment using the reaction. the student reacted 1.50g salicylic acid with 2.00g acetic anhydride. the yield was 1.50g aspirin. calculate the theoretical yield and the percent yield for this experiment.
Derive the rate law expression for the chlorination of vinyl chloride based on this mechanism.
compunds made up from ions from S2- and sc3+ has amelting temperture of 1776 C what type of bonding is there?
2.0 atm H2 and 2.0 atm of CO2 into a 1.00-L container at 25.0C and then raises the temperature to 700C at which Kc=.534 H2 + CO2--> H2O + CO, how many grams of H2 are present at equilibrium.
After obtaining a preliminary melting point range of 124-130 degrees C for an unknown, you identify it as benzamide. Running a mixed melting point determination with benzamide affords a melting point range of 117-125 degrees C
Calculate the work done on a 2500. kg car in accelerating it from rest to a speed of 100. km/hr.
What is the major role of a greenhouse gas that contributes to temperature rise of the Earth's surface? 1 Stops both incoming sunlight and outgoing infrared radiation
How many grams of NaN3 are required to produce 15.0 ft3 of nitrogen gas if the gas has a density of 1.25 g/L.
A 250.0-L cylinder contains 65.0% He(g) and 35.0% Kr(g) by mass at 25.0° C and 1.35 atm total pressure. What is the partial pressure of He in this container?
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