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Baking soda is sodium bicarbonate (NaHCO3). When you heat baking soda, it breaks down into sodium carbonate powder (Na2CO3), water vapor, and carbon dioxide. The enthalpy of this reaction is 129 kJ. submit a correct thermochemical equation for this reaction, explain how you came up with this equation, and explain what it tells you about the reaction.
Depict a structural diagram to show the donnectivities of all the atoms in [Co(NH3)5NO2]2+ with bond angle and bond lengths.
a weather balloon holding 22l of gas is released at a pressure of 103kpa and a temp. of 15c. what is the temp. at 10km
A gas occupies 12.3 liters at a pressure of 0.050 atm. What is the volume when the pressure is increased to 0.080 atm
Suppose you are given 150 mg of an unknown mixture that contains three compounds, and you are told to separate the compounds using column chromatography
Which of the following is correct? A) Solubility is the concentration of unsaturated ions in solution. B) Ksp is the same as the solubility. C) Ksp is an equilibrium constant and solubility is the concentration of a saturated solution
A 4.50-g sample of liquid water at 25.0 C is heated by the addition of 133 J of energy. The final temperature of the water is __________ °C. The specific heat capacity of liquid water is 4.18 J/gK.
Explain how many mL of a 2M solution of boric acid must be added to 600mL of a solution of 0.01 M sodium borate in order to bring the pH to9.45 (pKa boric acid: 9.24)
determine the mechanism for the synthesis of p-nitroacetanilide from acetanilide and hno3 nitric acid and h2so4
What monosaccharide is the C-2 epimer of alpha-D-galactose? Are these two molecules diastereomers?
Consider the following reaction at equilibrium. what effect will increasing the volume of the reaction mixture have on the system?
Hydrogen peroxide was catalytically decomoposed and 75.3 mL ofoxygen gas was collected over water at 25 degrees celsius and 742torr.
To produce 856 g of ammonia gas using air as your source of nitrogen gas, what volume of air is required if the air is introduced at 27°C and 760 mmHg. The mole fraction of nitrogen gas in air is 0.781
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