Answer:
Oxygen, bromine, iron, helium
Explanation:
is defined as the standard enthalpy of formation. By definition, the standard enthalpy of formation is equal to 0 kJ/mol for the substances in their standard states, that is, at room temperature and 1 atm pressure.
Simply speaking, looking at the substances given, we need to understand whether their states agree with what we expect to see at standard conditions (e. g., sodium is a metal, fluorine is a gas, bromine is a liquid at standard conditions). Those are substances consisting of just one type of atoms.
- Firstly, oxygen is a gas at standard conditions and it is diatomic, so its .
- Although nitrogen is a gas at standard conditions, it is diatomic, so .
- Water is a liquid at standard conditions, however, it consists of two types of atoms, hydrogen and oxygen, so .
- Bromine is a liquid at standard conditions, so .
- Iron is a solid at standard conditions, it's a metal, so .
- Helium is a gas at standard conditions, it belongs to noble gases, so .
- Sulfur is a solid at room conditions, however, the conformation it has is and not , so .
Answer:
Sir James Chadwick discovered proton
Explanation:
Sir James Chadwick, was a British physicist who was awarded the 1935 Nobel Prize in Physics for his discovery of the neutron in 1932. In 1941, he wrote the final draft of the MAUD Report, which inspired the U.S. government to begin serious atomic bomb research efforts.
The more energy the more aqueous. Which can affect collision into increasing. Meaning B. increases :)
Answer:
Climate?
Explanation:
A German scientist who proposed the theory of continental drift ... Land reptile fossil located on multiple continents; evidence of continental drift ... climate evidence. Tropical plant fossils found on an island in Arctic Ocean, and glacier deposits ... Lystrosaurus (fresh water reptiles) found in places now separated by oceans