Now molecules: molecules of H2 + molecules of O2 → molecules of H2O
1 answer:
Answer:
Now molecules:
(2) molecules of H 2 + (1) molecules of O 2 → (2) molecules of H 2 O
Explanation:
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Helium was discovered in 1868.
A is the answer, and put the choices
b............................................
Answer:
4.3.
Explanation:
- Measurements that are close to the known value are said to be accurate, whereas measurements that are close to each other are said to be precise.
- The most closest measurement to the known value is 4.3 g.
- So, the right choice is: 4.3 g.
