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- Calculate the change in energy for the following processes: Na(g) + Cl(g) → Na^+1(g) + Cl^-1(g) Ca(g) + 2Br(g) → Ca^+2(g) + 2Br-1(g)A photon of light from a laser has an energy of 2.287 × 10−19 J. What is the total energy in two moles of these photos?Consider the following data for sulfur: atomic mass 32.066 g/mol electronegativity 2.58 electron affinity 200.4 kJ/mol ionization energy 999.6 kJ/mol heat of fusion 1.73 kJ/mol Does the following reaction absorb or release energy? (1) S+(g)+ e- -> S(g) Is it possible to calculate the amount of energy absorbedor released by reaction (1) using only the data above? If you answered yes to the previous question, enter theamount of energy absorbed or released by reaction (1): Does the following reaction absorb or release energy? (2) S(g) + e- -> S-(g) Is it possible to calculate the amount of energy absorbedor released by reaction (2) using only the data above? If you answered yes to the previous question, enter theamount of energy absorbed or released by reaction (2):
- 1) How much energy (in MJ) is required to ionize 21.14 moles of hydrogen atoms?24.1 kJ of energy is lost by a 251 g Al block. If the block is initially at 125.0°C what will be its final T in °C? (sAl = 0.902 J g-1 °C-1)I need help on what i did wrong on the problem, the problem is on the picture and the second picture is how I did it, please tell me what I did wrong, thank youWhat energy in kilojoules per mole are associated with this frequency (4.37 x 10^14 Hz)? A. 2.91 x 1019 kJ/mol B. 200 kJ/mol C. 353 x 1017 kJ/mol D. 174 kJ/mol
- 7.104 The energy needed for the following process is1.96 × 104kJ/mol: If the first ionization energy of lithium is 520 kJ/mol,calculate the second ionization energy of lithium, that is,the energy required for the processHow much energy does an electron need to absorb in order to go from n=1 to n=5? (k=2.179*10-18J)Consider the following data for ruthenium: atomic mass 101.07 g/mol electronegativity 2.20 electron affinity 101.3 kJ/mol ionization energy 710.2 kJ/mol heat of fusion 25.7 kJ/mol Does the following reaction absorb or release energy? (1) Ru+(g) +e− -> Ru(g) Is it possible to calculate the amount of energy absorbedor released by reaction (1) using only the data above? If you answered yes to the previous question, enter theamount of energy absorbed or released by reaction (1): Does the following reaction absorb or release energy? (2) Ru−(g) -> Ru(g) + e− Is it possible to calculate the amount of energy absorbedor released by reaction (2) using only the data above? If you answered yes to the previous question, enter theamount of energy absorbed or released by reaction (2)
- how much energy in KJ is in 6.126 moles of 684.5 nm light?If AS=43,WA=24,HC=(2d+25),CT=(5d-8), then what is the value of d in this situation?The energy from radiation can be used to cause the rupture of chemical bonds. A minimum energy of 242 kJ/mol is required to break the chlorine–chlorine bond in Cl2. What is the longest wavelength of radiation that possesses the necessary energy to break the bond? What type of electromagnetic radiation is this?
