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Zina [86]
3 years ago
9

In the chemical laboratory why do scientists use a mortar and pestle

Chemistry
1 answer:
OlgaM077 [116]3 years ago
4 0
To crsuh things, probs so they can dissolve them into a liquid
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Define the term coordinate covalent bond and give an example. <br><br> please help, thank you :)
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Answer:

A coordinate covalent bond is a bond in which both electrons come from the same atom.

Example: The bonding between the C atom and the O atom (carbon monoxide)

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4 years ago
How do you get matter from food?
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mark brainliest :)

Explanation:

Animals have to eat other living things to get their food, but plants can produce their own food. Plants absorb sunlight and use that energy to make glucose from carbon dioxide and water during the process of photosynthesis; glucose is the food plants can use as a source of energy or matter for growth

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Drag each tile to the correct box a chemical reaction takes place in which energy is released arrange the reactions characterist
g100num [7]

The characteristics of a chemical reaction are:

The lower energy of reactants → Transition state → High energy of products.

<h3 /><h3>What is a chemical reaction?</h3>

A chemical reaction is a process in which one or more substances, also called reactants, are converted to one or more different substances, known as products.

The characteristics of a chemical reaction are :

Lower energy of reactants

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Transition state

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High energy of products

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3 years ago
In which of the following is light energy converted to electrical energy
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Liquid bromine is added to sodium iodide crystals
gulaghasi [49]

The following chemical reaction will occur:

Br₂ (l) + 2 NaI (s) → 2 NaBr (s) + I₂ (s)

Explanation:

Because the bromide (Br₂) have a higher reactivity than iodide (I₂) it is able the remove the iodide from its salts. So the bromide will react with sodium iodine (NaI) to produce sodium bromide (NaBr) and iodine.

The chemical reaction is:

Br₂ (l) + 2 NaI (s) → 2 NaBr (s) + I₂ (s)

where:

(l) - liquid

(s) - solid

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