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That depends on what substance you are talking about.
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∙ 6y ago
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What is a sign of a reaction oh a chemical change?
a colour change, a gas produced or a precipitate (new substance/solid) formed.
When a substance changes from a liquid to a gas energy is . When a substance changes from a gas to a liquid energy is .?
When a substance changes from a liquid to a gas energy is absorbed. When a substance changes from a gas to a liquid energy is released.
Is helium gas a pure substance or mixture?
Helium is pure as it is on the periodic table.
Which action would result in a chemical change?
A new substance is produced. Bubbles are given off (fizzing), which shows that a gas has been produced. Color changes. Turbidity (cloudiness) heat/light given off. A sound is produced/an explosion occurs etc
What is gas melting point?
It depends on what substance the gas is.
Is ability to react with other substance a physical or chemical?
Chemical. If vinegar reacts with baking soda, a new substance is produced. If something new is produced, it is chemical. In chemical reactions, things change what they are. Water splitting into hydrogen gas and oxygen is chemical, because hydrogen gas and oxygen gas is different from water.
Is Ability to react with other substance a chemical property or physical?
Chemical. If vinegar reacts with baking soda, a new substance is produced. If something new is produced, it is chemical. In chemical reactions, things change what they are. Water splitting into hydrogen gas and oxygen is chemical, because hydrogen gas and oxygen gas is different from water.
Is neon a new substance that is produced by burning wood?
Neon is an element, classified as a noble gas, and it has nothing to do with burning wood. Neon does not burn, nor is it produced by burning.
What is a sign of a reaction oh a chemical change?
a colour change, a gas produced or a precipitate (new substance/solid) formed.
Is a rainbow a solid a liquid or a gas?
None of the above. A rainbow is a visual effect produced by light refraction, not a substance. Solids and liquids can both produce rainbows.
Why is air a substance?
air is a substance because air is a gas and a gas is a substance.
What is the gaseous substance produced in the chemical reaction of baking soda and acetic acid?
Carbon dioxide, the same gas you breath out in respiration.
Is a gas a pure substance?
Yes, gas is a pure substance.
When a substance changes from a liquid to a gas energy is . When a substance changes from a gas to a liquid energy is .?
When a substance changes from a liquid to a gas energy is absorbed. When a substance changes from a gas to a liquid energy is released.
Is helium gas a mixture or substance?
Helium gas is a pure substance
Is helium gas substance or mixture?
Helium gas is a pure substance
Is helium gas a pure substance or mixture?
Helium is pure as it is on the periodic table.
