An electrical heater is used to supply 240.0 J of energy to a 30.0 g sample of aluminum,originally at 300.0 K. Determine the final temperature in degrees Kelvin. (the specificheat capacity for aluminum is 24.35 Jmol-1K-1)

Q: Will the exact amount of potassium hydroxide be critical to this reaction and why?

A: The given reaction is a bimolecular elimination reaction where the bromine is eliminated when OH- at...

Q: using the formula for the ideal gas law and the value for the gas constant of 0.08206 L.atm/k/mol, w...

A: Given:Mass of H2 = 7.96 g.Temperature = 28.3 oC = 273.15 + 28.3 = 301.45 KPressure = 766 torr = 1.00...

Q: Combustion of natural gas (primarily methane) occurs in most household heaters. The heat given off i...

A: Click to see the answer

Q: Complete and balance the equations according to acid and base behavior in water. Phases are optional...

A: There will be a complete reaction with water, when the solute is a strong acid (e.g., HClO4, H2SO4, ...

Q: Consider the chemical equation. N(g) + NO(g) = NNO(g) Write Lewis formulas for the reactant and prod...

A: Lewis dot structure:Structure of the molecule is depicting the atoms with bonds and lone pair of ele...

Q: A. What is the mass number of an atom of Iron ( atomic number 26) with 32 neutrons?  B. Is this like...

A: Click to see the answer

Q: Calculate the standard enthalpy change for the reaction at 25 ∘C. Standard enthalpy of formation val...

A: The given reaction is

Q: What volume of a 0.100 M HCl solution is needed to neutralize 10.0 mL of a 0.100 M Ba(OH)2 solution ...

A: Solution stoichiometry involves the calculation of concentration of solutions in the given condition...

Q: Qs7. Two spectra are given below along with their molecular formulas. Propose a structure that corre...

A: The peaks of two compounds is represented as follows: