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A compound of carbon, hydrogen and nitrogen was analyzed and found to contain 46.62 % C, 12.20 % H, 41.18 % N by mass. What is the empirical formula of the compound?
Calculate the energy of a photon emitted an electron in a hydrogen atom undergoes a transition from n=3 to n=1
In a gas mixture, the partial pressure are argon 415 mmHg, neon 75mmHg, and nitrogen 125 mmHg. What is the total pressure (atm) exerted by the gas mixture
determine how many grams of CaH 2 are required to generate 145 Litres of hydrogen gas if the pressure of hydrogen is 825 mm Hg at temperature of twenty one degree Celsius? .
The objective is to implement a menu-based system for Bank Accounts in order to simulate a very simple banking system. Many structures have to be declared to manage bank accounts.
A 1.70-g sample of a large biomolecule was dissolved in 11.0 g of carbon tetrachloride. The boiling point of this solution was determined to be 77.85°C. Calculate the molar mass of the biomolecule.
At 46°C a sample of ammonia gas exerts a pressure of 5.3 atm. What is the pressure when the volume of the gas is reduced to one-eighth (0.125) of the original value at the same temperature
Problem- Calculate the weight of benzene codistilled with each gram of water and the percentage composition of the vapor produced during a steam distillation. The boiling point of the mixture is 69.4C. The vapor pressure of water at 69.4C is 227.7..
benzene c6h6 burns in air to produce carbon dioxide and liquid water. calculate the heat released in kilojoules per
If the heat change for the decomposition of 25.0 g hydrogen peroxide is -72.2 kJ, what is the enthalpy of reaction for the process with respect to moles of hydrogen peroxide?
Determine the molar solubility of BaF2 in a solution containing 0.0750 M LiF. The Ksp for BaF2 is 2.45E-5.
the titration of acetic acid with sodium hydroxide can be expressed as the combination of two reactions: the acetic acid reacting with water, and the sodium hydroxide reacting with hydronium ion.
Summarize the relative reactivity of the Toluene, Ethylbenzene, Isopropylbenzene, tert-Butylbenzene, Cyclohexane, Methylcyclohexane compounds and propose an explanation for relative reactivity of these compounds.
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