-delta H symbolises an exothermic reaction. Hence, it gives off heat. Reversely, it would absorb heat.
Answer:
Alright love it would be --- B. Neutron
Answer:
D
Explanation:
You should wear goggles whether you are the person performing the experiment or the person watching. Analogy: If someone is using fireworks and they say anyone around should wear ear protection would you wear it if you are next to them?
Sulfur dioxide(SO2)
Diphosphorus Pentachloride(P2Cl5)
Dinitrogen tetroxide(N204)