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1.27 g sample of a gaseous oxide of nitrogen inhabit a volume of 1.07 L at 25°C and 737 mmHg. Explain what is the most likely formula for the gas?
A. NOB. NO2C. N2OD. N2O4
1 ml of 0.1M aluminum nitrate, Al(NO3)3, is added to 1 ml of 6M ammonium hydroxide, NH4OH. What is the balanced net ionic equation
What is the Haber process (synthesis). Specifically describe the reaction and industrial importance of the product.
a mass of solid aluminum is at its melting point. what is the maximum mass of this sample that can be melted by 120 kj
How many liters of softened water, containing a sodium concentration of 4.0×10-2% sodium by mass, have to be consumed to exceed the FDA recommendation
An experimenter finds that she is unable to establish a premixed carbon monoxide flame when using an oxidizer composed of high-purity O2 (21%) and high-purity N2 (79%)
Determine the molar mass of carbon dioxide by measuring the mass of an Erlenmeyer flask full of the gas. The following calculations are intended to familiarize you with the general procedure:
An insecticide has the following composition: 47.5% C, 2.54% H, and 50.0% Cl. Determine the empirical formula.
How to write half reactions what would occur if you made an electrolytic cell of the molten salts: NaCl,
Calculate the concentration of H3O in a solution that contains 5.5 x 10^-5 M OH at 25 degrees celsius. Identify the solution as acid, basic, or neutral.
The choice of precipitating reagent is important. Briefly explain what the consequences would be if excess 6M NaOH solution instead of 6M NH3 solution were used to separate Fe3+ and Al3+ ions from Ca2+, Cu2+, and K+ ions at pH 9-10.
calculate the end point ph when 25 ml of 0.01 moll hcl solution reacts exactly with 25 ml of 0.1 moll nh4oh
The reaction X(s) ? X(g) is known at 25oC to have standard enthalpy, free energy, and entropy changes of 146.8 kJ, kJ, and 175.4 J/K. At what temperature (oC) does X(s) sublime?
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