At 598 K the rate constant for the decomposition of NO₂ is 0.750 M⁻¹s⁻¹. When the temperature is raised to 751 K the rate constant is 19.7 M⁻¹s⁻¹. What is activation energy (Ea) for this reaction, expressed as kJ/mol? Enter just a number with 3 significant digits in "kJ/mol"

Select the correct answer how does the heat content of the reaction change in the process of photosynthesis when a glucose molecule is formed? ca the value of is negative the value of qis positive the value of a remains constant the value of a decreases the value of equals zero e

How many moles of magnesium is 3.01 x10^22 atoms of magnesium?

If i add water to oil what will happen