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Methylhydrazine, CH6N2, is commonly utilized as a liquid rocket fuel. The heat of combustion of Methylhydrazine is (-1.30E3 kJ/mol). Explain how much heat is released when 205.9 g of Methylhydrazine is burned?
suppose 2.8 moles of methane are allowed to react with 5 moles of oxygen? what is the limiting reagent?How many moles of CO2 can be made from this mixture? How many grams of CO2 would produce?
Can the five percent approximation be applied in determining the pH of the following solutions? Yes No 8.07×10-3 M dihydrogen citrate ion Yes No 7.51×10-5 M chlorous acid Yes No 4.38×10-2 M carbonic acid Yes No 1.44×10-2 M hydrocyanic acid
Describe the experiment(s) (as necessary), observations (as necessary), and results (as necessary) which would allow you to distinguish
When a 1.30-g sample of ethanol (alcohol) is burned in a calorimeter, the heat released increases the temperature of 870g of water in the calorimeter from 18.5 C to 28.9 C .
What volume of STP of CO2 would be produced by the fermentation of 13.94 of 13.94g of glucose?
a strip of electrolytically pure copper weighing 3.178 gram is strongly heated in a stream of oxygen until it is all
What is the molarity of a solution made by dissolving 74.8 g of strontium perchlorate in sufficient water
A particular solution has a hydrogen ion concentration of 2.13 x 10-13 M. What is the pH of this solution?
The equilibrium membrane potential for the case of multiple ions will depend not only on the concentrations of the ions within and outside the cell, but also on the permeability of the cell membrane to each ion Pi. Consider a situation in which on..
A solutions of hydrochloric acid was formed by dissolving 1.52g of hydrogen chloride gas in enough water ti make 24.1 mL of solution. what is the concentration in percent (m/v) of solution
based on the average number of moles of io3- in your samples and the initial volume of those samples what is the
A substance has an extinction coefficient of 5 x 10^5 L cm^-1 mol^-1. A concentrated solution of this substance has an absorbance too high to measure. You dilute 1 ml of this solution to 25 ml with distilled water; the measured absorbance is 0.2.
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