Which statements true about the total mass of the reactants during a chemical change? (5 points) 0
his destroyed during chemical reaction,
It is less than the total mass of the produce
It is equal to the total mass of the products,
is greater than the total mass of the products

What does a particular point on a line of a phase diagram represent? o a. the maximum temperature a substance can exist at without bonds breaking b. the pressure created by the kinetic energy of molecules at a particular temperature c. the melting point or boiling point of a substance at a specific pressure d. the conditions in which temperature and pressure have equal effects on a substance

The vapor pressure of ethanol is 1.00 × 102 mmhg at 34.90°c. what is its vapor pressure at 61.61°c? (δhvap for ethanol is 39.3 kj/mol.)

What is the oxidation state of an individual bromine atom in nabro3?