Mass of carbon in tonnes of coal
Assuming the composition of coal can be approximated by the formular C135H96O9NS. Calculate the mass of carbon in tonnes of coal
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Compute the change in temperature when 1.1 g of sodium chloride is dissolved in 300.0 mL of water initially at 26 C. The heat capacity of water is 4.184 J/mL/K. Neglect the heat capacity of the NaCl.
2SO2 (g) + O2 (g) ↔ 2SO3 (g) A study of this system reveals that there are 4.0E-3 moles of sulfur dioxide gas, and 4.9E-3 moles of oxygen gas present in a 9.0L flask at equilibrium. The equilibrium constant for this reaction is 4.1E-3.
Pure benezene has melting point of 5.5 degree celsius. change in heat for benzene is 9.87 KJ/Mol. Calculate the number of joules required to melt 43.6g benzene at 5.5 degree celsius.
What characteristic properties distinguish the transition elements from the Group IA and-IIA metals?
How many L of hydrogen are needed to drive to the Grand Canyon, 789 miles away?. The density of hydrogen is 8.99x10 to the negative 5 g/cm cube.
A mixture contains 76.5 % NaCl, 6.5 % MgCl_2, and 17.0 % Na_2SO_4 by mass. What is the molarity of rm Cl^- ions in a solution formed by dissolving 7.40 g of the mixture in enough water to form 490.0 mL of solution?
This only needs to be four paragrapghs. Resources need to be from an online source no books. and the website needs to be included. Simialrity score needs to be very low. Please do not message me if this cannot be done in a timely fash
Calculate for the combustion of octane by using enthalpies of formation.
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