The ice absorbs heat from the cup . And the ice loses its composition thus melting .
Answer:
D.
Explanation:
Hydroxide ions are produced when acid reacts with a base under a Ph value of more than 7. Hydroxide ions are negatively charged ions which are released in the aqueous solution during titration process. It a oxygen and hydrogen atom covalent bond.
Answer:
electric balance, goggles, beaker
Explanation:
I did it and got it right
Atomic number is 57, and the atomic mass is 138.90547 u + 0.00007 u
The density of the stone is 5 g/cm³.
Mass = 25 g
Volume = 7 mL – 2 mL = 5 mL = 5 cm³
Density = mass/volume = 25 g/5 cm³ = 5 g/cm³