What starts chemical changes in food?

Answers

Answer 1

Answer: Hi!
Enzymes in your saliva start to break down the sugars in your food and start the chemical process in which your food's nutrients are released

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methane and hydrogen sulfide form when hydrogen reacts with carbon disulfide. identify the excess reactant and calculate how much remains after 36 L o fH2 reacts with 12 L of CS2 all at STP

Answers

At STP, 1 mol of gas occupies 22.4 L of volume. Using this conversion we the starting amounts of the reactants:
1.6071 mol H2
.5357 mol CS2
The balanced equation is:
4H2 + CS2 -> CH4 + 2H2S
This means that 4 moles of H2 reacts with 1 mole of CS2.
Multiplying this ratio with each of the amounts of the reactants:
required CS2 based on amount of H2 = 0.4018 mol CS2
required H2 based on amount of CS2 = 2.1428 mol H2
Therefore, the excess reactant is CS2. To calculate how much is left, we simply subtract the amount of the reactant CS2 with the required amount based on the amount of H2:
0.5357 mol - 0.4018 mol = 0.1339 mol

Which is the correct order of increasing standard molar entropy for the noble gases?He ≤ Ne ≤ Kr ≤ Ar

He ≤ Ne ≤ Ar ≤ Kr

Ne ≤ He ≤ Ar ≤ Kr

Kr ≤ Ar ≤ Ne ≤ He

Answers

Answer:

The correct order of increasing standard molar entropy for the noble gases is He ≤ Ne ≤ Ar ≤ Kr

Explanation:

Entropy is the measure of degree of disorderliness or randomness of a substance. Entropy increases with increasing number of electron present in an atom due to increased repulsive force of the electrons. Therefore, the standard entropy of a substance increases with an increase in their atomic masses.

For the given noble gases in this question, Helium (He) has the least atomic mass while Krypton (Kr) has the highest atomic mass.

Thus, the correct order of increasing standard molar entropy for the noble gases is He ≤ Ne ≤ Ar ≤ Kr

HELPPPPP ASAP PLSSSS !!!!!!!!!

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Answer:

maybe i can help for you where the question

5) How do you describe a person who likes
inventing stories?
Plz Help ;_; :v

Answers

Imaginative, artistic, or a storyteller are all terms that can be used to describe someone who enjoys making up stories.

A person who enjoys making up stories is sometimes described as inventive and creative, and they have a great talent for creating compelling stories that take readers or listeners to unfamiliar worlds.

The ability of this storyteller to create freshstories, characters, and settings demonstrates their skill at transforming simple concepts into elaborate and captivatingtales.

Their creative nature enables them to investigate many viewpoints and events, bringing to life striking pictures and feelings.

Thus, this person has the ability to capture audiences and create immersive experiences, whether through written word or verbalexpression, making them a source of entertainment and inspiration for those who value the craft of storytelling.

For more details regarding storyteller, visit:

brainly.com/question/29620452

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Answer:

One word for this is, raconteur - it means a person skilled in telling anecdotes. anecdotist. narrator, or storyteller

Explanation:

What determines the strength of an Arrhenius base?