PLEASE HURRY

Which substance loses electrons in a chemical reaction?

A. the one that is oxidized, which is the oxidizing agent
B. the one that is reduced, which is the reducing agent
C. the one that is oxidized, which is the reducing agent
D. the one that is reduced, which is the oxidizing agent

The characteristic of two different types of reactions are shown below. reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of and element. which statement is true about the atoms of the elements that participate in the two reactions? a: their identity changes in both reaction a and b. b: their identity changes in reaction a but not b. c: their identity changes in reaction b but not a. d: their identity remains the same.

Calculate the molarity of each of the following solutions. part a) 0.12 mol of lino3 in 5.5 l of solution part b) 60.7 g c2h6o in 2.48 l of solution part c) 14.2 mg ki in 100 ml of solution

Convert the temperature of dry ice, –77 ∞c, into degrees fahrenheit and kelvin.