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In the reaction given below, for every 12 molecules of aluminum oxide consumed, how many molecules of oxygen are produced? 2Al2CO3 ---> 4 Al + 3 O2
The bomb that destroyed the Murrah Federal Office building in Oklahoma City in April 1995 was constructed from ordinary materials: fertilizer(ammonium nitrate) and fuel oil
How would you distinguish between the following pairs by use of infrared spectroscopy only? Tell what absorption would be present or absent in each case. Write balanced equation for the oxidation of tolualdehyde
Volume of sample = 90.0 mL. Temperature = 25 C atmospheric pressure = 745 mm equilibrium vapor presssure of water at 25C = 23.8 mm Hg Calculate number of moles of hydrogen gas collected
2NaN3(s)--> 2Na(s) + 3N2(g) How many grams of sodium azide are required to produce 19.00L of N2 at 273K and 775mmHg. A) 34.9 B) 52.0 C) 2.66*10^4 D) 3.89*10^5 E) 5.80*10^5
Gas ammonia can be decomposed to give 3.00 by mass of hydrogen and 14.0 by mass of nitrogen.what mass of nitrogen is obtained.
Balance the equation in acidic solution and determine how much of a 0.850 M K2Cr2O7 solution is required to completely dissolve 5.25 g Cu.
Glucose is much more soluble in water than 1-hexanol even though both have 6 carbons. Explain
Explain why caffeine can be extracted from tea leaves into hot water, and how you extracted the aqueous solution and isolated crude caffeine
Which of these samples: 1) 0.76 moles of titanium 2) 70.06 of calcium chloride 3) 3.62X10x22 moles of water
To better understand why, scientists synthesized artificial protein mimics that were linked by ester bonds instead of the amide functionality ( the R-group side chains all remained the same). They found that these mimics did not form highly organi..
When separating a solid-solid mixture in lab, do the melting points of the two components have to be 30 degrees apart, like with boiling points, to be considered pure, or is it a different range?
How many glucose molecules does a fat cell, which has a diameter of 2.47 micrometers, contain when its internal glucose concentration is 1.47 mM
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