Тишина и спокойствие помогают мне лучше концентрироваться на учёбе, зато шум только мешает.

• Тишина and спокойствие are the subjects of the sentence.
• In Russian, subjects take the nominative case.
• They’re joined by и, forming a compound (plural) subject, so the verb agrees in third-person plural: помогают.

• зато means “on the other hand” or “whereas,” showing a compensating contrast.
• но (“but”) simply contrasts two statements without that nuance of compensation.
• а can also mean “but” or “and,” but is more neutral and often introduces a parallel or slight opposition.
Example:
 – Тишина помогает, зато шум мешает. (“Silence helps; on the other hand, noise hinders.”)

• Both verbs помогать (“to help”) and мешать (“to hinder”) require a dative object (the person affected).
• So мне (to me) is in the dative case.
• In the second clause, мне can be repeated (шум только мешает мне), but it’s often dropped when the context already makes it clear.

• The reflexive verb концентрироваться (“to concentrate oneself”) requires the preposition на to indicate the focus.
• Whatever you concentrate on must be in the prepositional case: на учёбе (“on (my) studies”).

• учёбе is the singular prepositional case of учёба (“study”).
• Feminine nouns ending in -а change -а to -е after prepositions like в or на.

• The suffix -ся marks a reflexive or intransitive form.
• Here, концентрироваться literally means “to concentrate oneself,” emphasizing that the action refers back to the subject.

• The stress falls on the ё: у-ЧЁ-бе.
• Note that ё always carries the stress in Russian.

• тишина is the standard noun for “silence.”
• тиша is more colloquial or poetic.
• In everyday speech, тишина is preferred; тиша may sound literary or informal.

• шум (“noise”) is usually an uncountable noun in Russian, so it stays singular.
• шумы (“noises”) is possible if you refer to distinct, countable sounds (e.g., different noises in a city), but here we mean noise in general.

• Yes, Russian word order is quite flexible.
• Мне помогают тишина и спокойствие... is grammatically correct.
• Placing мне at the front adds emphasis on “me,” but the overall meaning remains the same.