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Drupady [299]
4 years ago
15

Why is crushed ice used for snow cones?

Chemistry
1 answer:
aleksandrvk [35]4 years ago
4 0
<span>Increasing the surface area helps dissolve more flavoring</span>
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Hi:)) how to do 5? I’m not sure if it’s hydrogen carbonate or carbonate
zysi [14]

Answer:

copper(ll) carbonate

Explanation:

Since the product is a salt which is copper(II) carbonate, water and carbon dioxide, this reaction is an acid + metal carbonate reaction.

Looking at the salt, Cu²⁺ has to be part of the reactants.

Hence, the missing compound there has to be copper(ll) carbonate, CuCO₃.

The balanced chemical equation would be:

CuCO₃ + 2HNO₃➙ Cu(NO₃)₂ +H₂O +CO₂

P.s. You left out CO₂ as a product in Q2 ;)

Just a recap of the main reactions you would've learnt:

1) Acid + base/ alkali ➙ salt + water

2) Acid + metal ➙ salt + hydrogen gas

3) Acid + metal carbonate ➙ salt + H₂O + CO₂

8 0
4 years ago
26.8 moles of argon contain how many atoms?
stepladder [879]

Answer:

the answers is A

Explanation:

4 0
4 years ago
Which of the following is the correct ranking of the three bonds and interactions in order from highest to lowest in terms of th
Nesterboy [21]

Answer:

I > III > II

Explanation:

I) A disulfide bond between two cystines is created when a sulfur atom from one cystine forms a strong, single covalent bond with a sulfur atom from a second cystine. When a disulfide bond is created, each cystine loses one hydrogen atom. The atom count is 11 for a cystine in mid-chain, but changes to 10 if the cystine joins with another in a disulfide bond. This lead to a much more stable intermolecular interaction.

III) Hydrogen Bonding in water

These hydrogen bonds are at best an interaction, inducing slight positive and negative charges in the Hydrogen and Oxygen/Nitrogen atoms.

The Hydrophilic amino acids have O & N atoms, which form hydrogen bonds with water. These atoms have an uneven distribution of electrons, creating a polar molecule that can interact and form hydrogen bonds with water.

The hydrogen bonds aren't as strong as the covalent bonds in disulfides.

II) Hydrophobic interactions between two leucines

A hydrophobic interaction is formed between two nonpolar molecules.

It describes the preference of nonpolar molecular surfaces to interact with other nonpolar molecular surfaces, thereby displacing water molecules from the interacting surfaces.

6 0
4 years ago
Which substance can be broken down by chemical means?
Gnoma [55]

Answer:

Compounds

Compounds – pure substances that are the unions of two or more elements. They can be broken into simpler substances by chemical means.

Explanation:

8 0
3 years ago
What contribution did Niels Bohr make to atomic theory?
Bumek [7]

Answer:

C

Explanation

His greatest contribution is the atomic model

3 0
3 years ago
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