विज्ञापन लेखन : पीने का पानी का विज्ञापन निम्न मुद्दों के आधार पर लगभग ५० से ५० शब्दों में तैयार कीजिए। १० रुपये प्रति लीटर की कीमत शहर के सभी लीटर की कीमत ऑनलाईन उपलब्ध ■ १००% शुद्धता की गारंटी आय. आय. वी. के विशेषज्ञों से नीरिक्षित​

Answer:

The heat released in the neutralisation of HCI and NaOH is 13.7 kcal/mol, the heat. released on neutralisation of NaOH with CH3COOH is 3.7 kcal/mol.

Answer:

The heat of ionization of CH₃COOH is 0.5kcal.

Explanation:

• HCl is a strong acid and NaOH is a strong base. So, when NaOH reacts with CH₃COOH which is a weak acid, energy is only required to form CH₃COO⁻ +H⁺. And the reaction is given as,

[tex]CH_3COOH+NaOH\rightarrow CH_3COONa+H_2O[/tex]     (1)

[tex]E=T-\Delta H[/tex]     (2)

Where,

E=heat of neutralization of the given reaction

T=total heat of neutralization of strong base and strong acid

ΔH=heat of ionization

From the question we have,

E=13.2kcal

T=13.7kcal

By substituting the value of E and T in equation (2) we get;

[tex]13.2kcal=13.7kcal-\Delta H[/tex]

[tex]\Delta H=13.7-13.2=0.5kcal[/tex]

Hence, the heat of ionization CH₃COOH is 0.5kcal.

Answer:

svadhyaya.

Explanation:

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The study of oneself by self is called (d). Svadhyaya.

• The term Svadhyaya means 'one's reading' or 'self-study'. The word is a combination of two words 'Sva' meaning 'own' and 'Adhyaya' meaning 'lesson'.
• It is the fourth Niyama of Patanjali's Yoga Sutras and has the potential to deepen our yoga practice way beyond the mat.
• The word also means the practice of studying scriptures, as well as a practice of studying the Self.

Answer:

मुंहमें राम बगल में छुरी का अर्थ है - बाहर से मित्र जैसा व्यवहार करना और पीठ पीछे नुकसान पहुचाना ।

Answer:

Plants, birds and insects co-evolved to help each other propagate and spread. Birds eat fruits and excrete the seeds. Insects such as bees pollinate the flowers on trees and other plants so the fruit can be produced for the birds to eat. Many other insects such as beetles break down the debris left by dead plants and recycle it back into the earth to grow more plants.