When do scienctific idea change?

Chemistry

2 answers:

labwork [276]2 years ago

7 0

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Explanation:

Scientific ideas change over time as our evidence improves. The more experiments we do and the more data we collect, the better our scientific ideas become.

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Anna [14]2 years ago

5 0

Science is how we make sense of the world by collecting data and doing experiments. Scientific ideas change over time as our evidence improves. The more experiments we do and the more data we collect, the better our scientific ideas become.

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ohaa [14]

Answer:

Explanation:

Similarities.

Both Ionic and covalents bond produce exothermic reactions.

They are both neutral.in Ionic bonds, the two opposite charge will terminate each other and in covalent, the neutral molecules tend to share electrons.

Difference

Ionic bonds have high polarity while covalent have low.

Ionic bonds have no definite shape, covalent have.

Ionic have high melting points, covalent have low.

Io ic have high boiling point, covalents have low.

5 0

3 years ago

reddi tstudent has a thin copper beaker containing 100 g of a pure metal in the solid state. The metal is at 215°C, its exact me

prohojiy [21]

Explanation:

A point of temperature at which both solid and liquid state of a substance remains in equilibrium without any change in temperature then this temperature is known as melting point.

For example, melting point of water is $0 ^{o}C$ . So, at this temperature solid state of water and liquid state are present in equilibrium with each other.

Therefore, when a 100 g of given pure metal in solid state is heated at its exact melting point which is $215^{o}C$ then some of the solid will change into liquid state but the temperature will remains the same.