A 32.8 g iron rod, initially at 22.4 C, is submerged into an unknown mass of water at 63.1 C, in an insulated container. The final temperature of the mixture upon reaching thermal equilibrium is 59.1 C. What is the mass of the water?

2. How many copper atoms are contained in a 2.75 mole sample of copper

Why can't the position of an electron be determined with certainty?

O que é umidade absoluta?

How much does 1ml of water weigh in grams?

Match these items. period 1 the vertical column of the periodic table group valence electrons 2. the horizontal row in the periodic table a table of the elements, arranged to illustrate the periodic characteristics of the elements 4 another name for

What scientists do that is the basis for there investigation

A reaction is zero order in a reactant. Which best describes what happens to the rate if the concentration of that reactant is cut in half? a: The rate changes to twice the original rate. b: The rate changes to one-half the original rate.

How many moles of hydrogen atoms are there in 1 mole of C6H12O6 molecules?

Which condition will release more energy when an electron changes levels? From n = 4 to n = 3 from n = 3 to n = 2 from n = 2 to n = 1

What happens when an electron moves from a higher energy level to a lower one