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3 years ago

Which of the alkali metals are liquids at 50°C?

Chemistry

1 answer:

luda_lava [24]3 years ago

3 0

Hello!

I believe the correct answers are: Bromine (Br) and Mercury (Hg).

I really hope this helped you out! :)

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Flammable materials like alcohol should never be dispensed or used near True or False

galben [10]

near what like open flames? if so false unless it clarifies the solution requires alcohol then its a no go

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3 years ago

1.00 pint of milk has a volume of how many milliliters

zlopas [31]

I searched it up on Google and I got 473.176 Hope this helps.

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3 years ago

What is meant by the term chemical reaction

pantera1 [17]

Answer:

<h3> $\huge{ \underline{ \underline { \bold{ \sf{ \orange{See \: below}}}}}}$ </h3>

Explanation:

▪️ $\underline{ \bold{ \sf{ \blue{Chemical \: reaction}}}}$

⇒The composition , decomposition or displacement of molecules of matter during chemical change is called chemical reaction.

▪️ $\underline{ \bold{ \sf{ \purple{ \: Further \: more \: explanation}}}}$

Various conditions bring about these changes. The chemical reactions are represented by chemicalequation. The compounds or elements that take part in chemical reaction are called reactant. They are written at the left side of an arrow that represent a change while the compound or elements that formed after the chemical change are called product. They are written at the right side of the arrow.

▪️ $\underline{ \bold{ \sf{ \purple{For \: example}}}}$

When nitrogen reacts with hydrogen to form ammonia :

Nitrogen + Hydrogen ⇒ Ammonia

N₂ + 3H₂ ⇒ 2NH₃

Presentation of a chemical reaction in the form of equation is called chemical equation . Chemical equation may be word equations or formula equations.

Hope I helped!

Best regards!!

3 0

3 years ago

If you wanted to protect water from freezing, which of the compounds below would accomplish this best. NaNO3, Mg(NO3)2, or Al(NO

Korvikt [17]

All of them are soluble salt.

First one dissociates into two ions.

The second one dissociates into 3 ions.

The third dissociate into 4 ions. therefore, Al(NO3)3

4 0

3 years ago

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dybincka [34]

Sorry, I won't understand your words.

6 0

3 years ago

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