Hel pleassee Consider the reaction: H2 + 202 → 2H20 + heat. Complete the sentences by writing a letter from the lists in each blank
In an explosive chemical reaction, the amount of matter is
The mass of the products
15
the mass of the reactants. The energy of the entire system is

Imagine if during the cathode ray experiment, the size of the particles of the ray was the same as the size of the atom forming the cathode. which other model or scientific observation would have also been supported? 1. this would support dalton's postulates that proposed the atoms are indivisible because no small particles are involved. 2. this would support bohr's prediction about electrons moving in orbits having specific energy. 3. this would support bohr's prediction about electrons being randomly scattered around the nucleus in the atom. 4. this would support dalton's postulates that proposed that atoms combine in fixed whole number ratios to form compounds.