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Tatiana [17]
3 years ago
5

what happens when baking soda is mixed with vinegar a a new substance is formed B the substances are the same c but the baking s

oda stays the same but the vinegar changes form D the mixture turns from a liquid into a solid​
Chemistry
1 answer:
Ray Of Light [21]3 years ago
5 0

Answer:

NaHCO3 sodium bicarbonate is baking soda; added to the acetic acid, it forms sodium acetate (aqueous), CO2 gas & water. Remove the water & solid sodium acetate remains.

Explanation:

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Where digestion take place in : ( carbohydrates )<br>( fats )<br>( proteins )​
garri49 [273]

Answer:

Digestion take place in Fats.

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One end has a specific binding site for a particular amino acid and the other end
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3 years ago
Find the mass of 2.16 × 1023 molecules H2S.<br> Answer in units of g.
worty [1.4K]

Answer:

Mass = 12.276 g

Explanation:

Given data:

Number of molecules of H₂S = 2.16 × 10²³

Mass in gram = ?

Solution:

The given problem will solve by using Avogadro number.

It is the number of atoms , ions and molecules in one gram atom of element, one gram molecules of compound and one gram ions of a substance.

The number 6.022 × 10²³ is called Avogadro number.

For example,

18 g of water = 1 mole = 6.022 × 10²³ molecules of water

Number of moles of  H₂S:

2.16 × 10²³ molecules × 1 mole /6.022 × 10²³ molecules

0.36 moles

Mass = number of moles ×  molar mass

Mass = 0.36 mol × 34.1 g/mol

Mass = 12.276 g

7 0
3 years ago
Calculate the oxidation number of “C” in CH3COCH3 please
Triss [41]

Answer:

The oxidation number of C (carbon) is +4

Explanation:

8 0
3 years ago
True or false? During a change of state the temperature of the substance does not change.​
irakobra [83]

Answer:

false

Explanation:

the temperature of a substance can not remain constant as the substance changes from solid to liquid then finllay from liquid to gas. This is so because as a solid is heated it changes state and once it rechanges it boiling point it changes to gas or vapour.

8 0
3 years ago
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