Answer:
hporntue dhdjehwgs r. rvegdyfuee
Explanation:
ehehrhrhrhrhrhrhr. dvdhdhrhrhehehr f fbdhehrgdgdhehd dbdh
Answer: option B.
carbon + oxygen → carbon dioxide
Explanation:
Answer:
The number of proton of magnisium = 12
Answer:
7.23 J
Explanation:
Step 1: Given data
- Mass of graphite (m): 566.0 mg
- Initial temperature: 5.2 °C
- Final temperature: 23.2 °C
- Specific heat capacity of graphite (c): 0.710J·g⁻¹K⁻¹
Step 2: Calculate the energy required (Q)
We will use the following expression.
Q = c × m × ΔT
Q = 0.710J·g⁻¹K⁻¹ × 0.5660 g × (23.2°C-5.2°C)
Q = 7.23 J
The conclusion from these figures is that hydrogen should be produced at the cathode and oxygen at the anode from the electrolysis of water—which is at variance with the experimental observation that zinc metal is deposited and bromine is produce
