{"slug":"academy/chemistry/en/lesson/acids-bases-and-ph","route":"/library/academy/chemistry/en/lesson/acids-bases-and-ph","title":"Acids, Bases, and the pH Scale","surface":"/library/academy/chemistry","audience":"academy","subject":"chemistry","locale":"en","source_repo":"koydo-app","source_path":"scripts/curriculum-authoring","route_source":"library_fallback","candidate_canonical_target_web":"/library/academy/chemistry/en/lesson/acids-bases-and-ph","license":"ai-generated-koydo","attribution":null,"ai_provenance":{"model":"claude-opus-4-8","reviewed_at":"2026-06-24T19:15:45.441Z","reviewer_persona":"koydo-curriculum-expert-loop"},"provenance_blockers":["attribution_missing"],"content_types":["lesson","lesson_objectives","media_scene","drill","practice_set","quiz","feedback","character","citation","concept_map","progress","resume","review","remediation","next_step_path"],"normalized_content_types":["character","citation","concept_map","drill","feedback","lesson","media","next_step","practice_set","progress","quiz","remediation","resume","review"],"lesson_roles":["concept","guided_practice","knowledge_check","progress_summary","remediation","review"],"primary_lesson_role":"concept","objectives":["Define acids and bases using the Bronsted-Lowry model as proton donors and proton acceptors","Distinguish the Bronsted-Lowry model from the Arrhenius model using at least one example","Explain what the pH scale measures and how its logarithmic nature relates to hydrogen-ion concentration","Predict whether a solution is acidic, neutral, or basic from its pH value","Describe what happens to pH during a neutralization reaction between an acid and a base"],"activity_prompt":"Drag these solutions into order from MOST acidic to MOST basic using their pH values.","assessment_count":3,"assessment_shape":{"objective_count":5,"activity_present":true,"activity_prompt_present":true,"quiz_item_count":3,"quiz_items_with_answer_key":3,"quiz_items_with_explanation":3,"reward_present":true},"completion_criteria":["Review objectives and instruction","Complete the activity with manual learner confirmation","Answer every understanding-check item","Show completion feedback and reward only after the learner finishes the check"],"route_health":{"route":"/library/academy/chemistry/en/lesson/acids-bases-and-ph","route_source":"library_fallback","candidate_canonical_target_web":"/library/academy/chemistry/en/lesson/acids-bases-and-ph","local_route_resolvable":true,"sequence_links_resolvable":true,"owner_canonical_review_required":true,"canonical_route_write_allowed":false,"production_discoverability_evidence_present":false,"production_discoverability_claim_allowed":false,"evidence_scope":"Local route syntax and previous/next link check only; owner canonical-route review and production crawl/index evidence are still required before discoverability claims."},"context_route":"/api/library/ai-help-context?slug=academy%2Fchemistry%2Fen%2Flesson%2Facids-bases-and-ph","grounding":["registry:academy/chemistry/en/lesson/acids-bases-and-ph","source:koydo-app/scripts/curriculum-authoring","sha1:f3d8f3a215c9fc2d09e8b7cf7f490ede85e43c95","title:Acids, Bases, and the pH Scale","concept:acids-and-bases","concept:pH-scale","concept:Bronsted-Lowry"],"privacy":["Do not send raw child free text without consent","Use source excerpts and non-identifying progress state only","Asset is not registry-gated"],"age_guardrails":["Adapt tone and examples for the academy audience.","Do not request sensitive personal data; use non-identifying learner progress only.","Keep help available only for this active, ungated asset context."],"measurement":["Log AI help usage by surface and asset slug","Evaluate answer quality against source-grounded rubric before production-readiness claims","Tie remediation prompts to completion, retry, or review outcomes"],"enabled":true,"blocked_reason":null,"tutor_prompt":"You are the KOYDO lesson tutor for this asset. 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