The mass of ice is the same as water because during a physical change, like a state change, mass is conserved. When the ice melts, all that changes is the physical state.
Answer:
boom Corvette Corvette pop in the popular vet like that like that why you walk like that why you talk like that like I said boom boom boom I'm in the cold Mira, she needs to be back I remember seeing everyone Nee u i
Answer:
1.70
Explanation:
The molar mass of perchloric acid is 100.46 g/mol. The moles corresponding to 484 mg (0.484 g) are:
0.484 g × (1 mol/100.46 g) = 4.82 × 10⁻³ mol
4.82 × 10⁻³ moles are dissolved in 240 mL (0.240 L) of solution. The molar concentration of perchloric acid is:
4.82 × 10⁻³ mol/0.240 L = 0.0201 M
Perchloric acid is a strong monoprotic acid, that is, it dissociates completely, so [H⁺] = 0.0201 M.
The pH is:
pH = -log [H⁺] = -log 0.0201 = 1.70
Answer:
Melting
Explanation:
From solid to liquid, the change of state happening is the melting process. The kinetic energy of the particles that makes up the solid is increased and it allows the liquid to flow.
- A solid is a fixed mass with static molecules.
- When thermal energy is added, the kinetic energy increases.
- The kinetic energy of the particles increases and they vibrate about their fixed point in solids.
- This eventually breaks the structure and liquid which begins to flow forms.
This is a melting process.
