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My name is Ann [436]
3 years ago
8

Which example involves a phase change in which heat energy is released by the substance

Chemistry
1 answer:
a_sh-v [17]3 years ago
7 0

What are the examples?


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at 30°C 80 g of sodium nitrate is dissolved in 100 g of water is a solution saturated and unsaturated or supersaturated
soldi70 [24.7K]

Answer:

c

Explanation:

thats the answer

4 0
4 years ago
Write word equations for the reactions of a) magnesium with chlorine b) potassium with oxygen c) sodium with bromine d) carbon w
IRINA_888 [86]
A) Magnesium + Chlorine -> Magnesium chloride ( Mg + Cl2 -> MgCl2)

b) Potassium + Oxygen -> Potassium oxide
( 2K + O2 -> K2O )

c) Sodium + Bromine -> Sodium bromide
( 2Na + Br2 -> 2NaBr)

d) Carbon + Oxygen -> Carbon dioxide
( C + O2 -> CO2 ) This reaction occurs when heated.

4 0
3 years ago
Suggest a name for a compound containing potassium, carbon and oxygen.
spin [16.1K]

Answer:

Oxidation of potassium amalgam with carbon dioxide results in the formation of potassium oxalate. Potassium is not reactive with benzene, although heavier alkali metals such as cesium react to give organometallic products.

Please Mark Brainliest If This Helped!

4 0
2 years ago
Which statement is true for a pure compound<br> but NOT true for a pure element?
amid [387]
A pure compound contains many elements.
5 0
3 years ago
Cuales son los símbolos para representar que una reacción se produce en presencia de;
ycow [4]

Answer:

b

Explanation:

3 0
3 years ago
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