{"Free":0,"Sample":1,"Paid":2}

[{"Name":"חומצות ובסיסים","Videos":[{"Watched":false,"Name":"הקדמה","Duration":450000000,"VideoQuestionQueItems":[],"ID":43808},{"Watched":false,"Name":"קצת היסטוריה","Duration":710000000,"VideoQuestionQueItems":[],"ID":43809}],"ID":8071},{"Name":"הגדרת חומצה ובסיס","Videos":[{"Watched":false,"Name":"הגדרת חומצה","Duration":1150000000,"VideoQuestionQueItems":[],"ID":43810},{"Watched":false,"Name":"תנאים לחומציות קשר","Duration":1990000000,"VideoQuestionQueItems":[],"ID":43811},{"Watched":false,"Name":"הגדרת בסיס","Duration":1260000000,"VideoQuestionQueItems":[],"ID":43812}],"ID":8072},{"Name":"תגובת חומצה בסיס","Videos":[{"Watched":false,"Name":"תגובת חומצה בסיס","Duration":1840000000,"VideoQuestionQueItems":[],"ID":43813},{"Watched":false,"Name":"דוגמא לתגובת חומצה בסיס","Duration":2290000000,"VideoQuestionQueItems":[],"ID":43814},{"Watched":false,"Name":"קשר קוולנטי קואורדינטיבי","Duration":560000000,"VideoQuestionQueItems":[],"ID":43815}],"ID":8073},{"Name":"הפירוק הטבעי של המים","Videos":[{"Watched":false,"Name":"הפירוק הטבעי של המים - המים כחומר אמפוטרי","Duration":3660000000,"VideoQuestionQueItems":[],"ID":43816}],"ID":8074},{"Name":"סולם pH","Videos":[{"Watched":false,"Name":"סולם pH","Duration":1090000000,"VideoQuestionQueItems":[],"ID":43817},{"Watched":false,"Name":"תזכורת - לוג בבסיס 10","Duration":1860000000,"VideoQuestionQueItems":[],"ID":43818},{"Watched":false,"Name":"חישובים לדוגמא","Duration":1730000000,"VideoQuestionQueItems":[],"ID":43819},{"Watched":false,"Name":"היחס בין pH ריכוז הידרוניום והידרוקסיד","Duration":430000000,"VideoQuestionQueItems":[],"ID":43820}],"ID":8075},{"Name":"סוגי מומסים","Videos":[{"Watched":false,"Name":"סוגי מומסים","Duration":1780000000,"VideoQuestionQueItems":[],"ID":43821}],"ID":8076},{"Name":"תמיסה חומצית","Videos":[{"Watched":false,"Name":"תיאור תמיסה חומצית","Duration":1920000000,"VideoQuestionQueItems":[],"ID":43822},{"Watched":false,"Name":"תמיסה חומצית","Duration":1780000000,"VideoQuestionQueItems":[],"ID":43823},{"Watched":false,"Name":"קבוע פירוק חומצה Ka","Duration":1030000000,"VideoQuestionQueItems":[],"ID":43824},{"Watched":false,"Name":"תמיסת חומצה חזקה","Duration":1760000000,"VideoQuestionQueItems":[],"ID":43825},{"Watched":false,"Name":"תמיסת חומצה חלשה","Duration":1320000000,"VideoQuestionQueItems":[],"ID":43826},{"Watched":false,"Name":"חומצות רב פרוטיות","Duration":1470000000,"VideoQuestionQueItems":[],"ID":43827},{"Watched":false,"Name":"השוואת תמיסות חומציות שוות ריכוז","Duration":1890000000,"VideoQuestionQueItems":[],"ID":43828},{"Watched":false,"Name":"סיכום - תמיסות חומציות","Duration":1480000000,"VideoQuestionQueItems":[],"ID":43829}],"ID":8077},{"Name":"תמיסה בסיסית","Videos":[{"Watched":false,"Name":"תיאור תמיסה בסיסית","Duration":2850000000,"VideoQuestionQueItems":[],"ID":43830},{"Watched":false,"Name":"תמיסה בסיסית","Duration":1040000000,"VideoQuestionQueItems":[],"ID":43831},{"Watched":false,"Name":"קבוע חוזק הבסיס כלפי מים Kb","Duration":610000000,"VideoQuestionQueItems":[],"ID":43832},{"Watched":false,"Name":"דוגמאות-בסיסים חזקים","Duration":1770000000,"VideoQuestionQueItems":[],"ID":43833},{"Watched":false,"Name":"דוגמאות-בסיסים חלשים","Duration":1430000000,"VideoQuestionQueItems":[],"ID":43834},{"Watched":false,"Name":"השוואת תמיסות בסיסיות שוות ריכוז","Duration":1500000000,"VideoQuestionQueItems":[],"ID":43835},{"Watched":false,"Name":"סיכום - תמיסות בסיסיות","Duration":2510000000,"VideoQuestionQueItems":[],"ID":43836}],"ID":8078},{"Name":"מומסים חומציים, בסיסיים או אדישים","Videos":[{"Watched":false,"Name":"זהו את החומצה - NH4Cl","Duration":1100000000,"VideoQuestionQueItems":[],"ID":43838},{"Watched":false,"Name":"זהו את החומצה - HCO3 מול HSO4","Duration":2560000000,"VideoQuestionQueItems":[],"ID":43837},{"Watched":false,"Name":"מיון חומרים אורגנים","Duration":1800000000,"VideoQuestionQueItems":[],"ID":43839},{"Watched":false,"Name":"יצירת תמיסה חומצית - תגובת תחמוצות אל-מתכתיות עם מים","Duration":600000000,"VideoQuestionQueItems":[],"ID":43840},{"Watched":false,"Name":"יצירת תמיסה בסיסית - מתכת אלקלית במים","Duration":1420000000,"VideoQuestionQueItems":[],"ID":43841},{"Watched":false,"Name":"סיכום - סוגי מומסים","Duration":3680000000,"VideoQuestionQueItems":[],"ID":43842},{"Watched":false,"Name":"המסת חומרים אדישים","Duration":2900000000,"VideoQuestionQueItems":[],"ID":43843}],"ID":8079},{"Name":"תגובת סתירה","Videos":[{"Watched":false,"Name":"תגובת סתירה של חומצה או בסיס חזקים","Duration":2560000000,"VideoQuestionQueItems":[],"ID":43844},{"Watched":false,"Name":"תגובת סתירה של חומצה או בסיס חלשים","Duration":1440000000,"VideoQuestionQueItems":[],"ID":43845},{"Watched":false,"Name":"מוליכות תמיסה במהלך סתירה","Duration":870000000,"VideoQuestionQueItems":[],"ID":43846},{"Watched":false,"Name":"אפשרויות סתירה עם בסיס וחומצה חזקים","Duration":1020000000,"VideoQuestionQueItems":[],"ID":43847},{"Watched":false,"Name":"סיכום - תגובת סתירה","Duration":830000000,"VideoQuestionQueItems":[],"ID":43848},{"Watched":false,"Name":"מהלך תהליך הסתירה - טיטרציה","Duration":1190000000,"VideoQuestionQueItems":[],"ID":43849}],"ID":8080},{"Name":"שינוי pH","Videos":[{"Watched":false,"Name":"פעולות המביאות לשינוי pH","Duration":2360000000,"VideoQuestionQueItems":[],"ID":43850}],"ID":8081},{"Name":"חימצון מתכות בתמיסה חומצית","Videos":[{"Watched":false,"Name":"חימצון מתכות בתמיסה חומצית","Duration":2270000000,"VideoQuestionQueItems":[],"ID":43851}],"ID":8082},{"Name":"שאלות מסכמות שונות","Videos":[{"Watched":false,"Name":"שאלה 1 סעיף א","Duration":1050000000,"VideoQuestionQueItems":[],"ID":43852},{"Watched":false,"Name":"שאלה 1 סעיף ב","Duration":740000000,"VideoQuestionQueItems":[],"ID":43853},{"Watched":false,"Name":"שאלה 1 סעיף ג","Duration":1080000000,"VideoQuestionQueItems":[],"ID":43854},{"Watched":false,"Name":"שאלה 1 סעיף ד","Duration":1290000000,"VideoQuestionQueItems":[],"ID":43855},{"Watched":false,"Name":"שאלה 1 סעיף ה","Duration":700000000,"VideoQuestionQueItems":[],"ID":43856},{"Watched":false,"Name":"שאלה 2 סעיף א","Duration":1830000000,"VideoQuestionQueItems":[],"ID":43857},{"Watched":false,"Name":"שאלה 2 סעיף ב","Duration":1390000000,"VideoQuestionQueItems":[],"ID":43858},{"Watched":false,"Name":"שאלה 2 סעיף ג","Duration":1120000000,"VideoQuestionQueItems":[],"ID":43859},{"Watched":false,"Name":"שאלה 3 סעיף א","Duration":1220000000,"VideoQuestionQueItems":[],"ID":43860},{"Watched":false,"Name":"שאלה 3 סעיף ב","Duration":820000000,"VideoQuestionQueItems":[],"ID":43861},{"Watched":false,"Name":"שאלה 3 סעיף ג","Duration":1480000000,"VideoQuestionQueItems":[],"ID":43862},{"Watched":false,"Name":"שאלה 3 סעיף ד","Duration":770000000,"VideoQuestionQueItems":[],"ID":43863},{"Watched":false,"Name":"שאלה 3 סעיף ה","Duration":1420000000,"VideoQuestionQueItems":[],"ID":43864},{"Watched":false,"Name":"שאלה 4 סעיף א","Duration":1800000000,"VideoQuestionQueItems":[],"ID":43865},{"Watched":false,"Name":"שאלה 4 סעיף ב","Duration":1150000000,"VideoQuestionQueItems":[],"ID":43866},{"Watched":false,"Name":"שאלה 4 סעיף ג","Duration":1340000000,"VideoQuestionQueItems":[],"ID":43867},{"Watched":false,"Name":"שאלה 5 סעיפים א-ב","Duration":1310000000,"VideoQuestionQueItems":[],"ID":43868},{"Watched":false,"Name":"שאלה 5 סעיף ג","Duration":290000000,"VideoQuestionQueItems":[],"ID":43869},{"Watched":false,"Name":"שאלה 6 סעיף א","Duration":2250000000,"VideoQuestionQueItems":[],"ID":43870},{"Watched":false,"Name":"שאלה 6 סעיף ב","Duration":1090000000,"VideoQuestionQueItems":[],"ID":43871},{"Watched":false,"Name":"שאלה 6 סעיף ג 1","Duration":920000000,"VideoQuestionQueItems":[],"ID":43872},{"Watched":false,"Name":"שאלה 6 סעיף ג 2","Duration":2020000000,"VideoQuestionQueItems":[],"ID":43873},{"Watched":false,"Name":"שאלה 6 סעיף ד 1","Duration":550000000,"VideoQuestionQueItems":[],"ID":43874},{"Watched":false,"Name":"שאלה 6 סעיף ד 2","Duration":1400000000,"VideoQuestionQueItems":[],"ID":43875},{"Watched":false,"Name":"שאלה 6 סעיף ה","Duration":950000000,"VideoQuestionQueItems":[],"ID":43876},{"Watched":false,"Name":"שאלה 6 סעיף ו","Duration":1440000000,"VideoQuestionQueItems":[],"ID":43877},{"Watched":false,"Name":"שאלה 7 - הסבר","Duration":2140000000,"VideoQuestionQueItems":[],"ID":43878},{"Watched":false,"Name":"שאלה 7 - פתרון","Duration":3050000000,"VideoQuestionQueItems":[],"ID":43879},{"Watched":false,"Name":"שאלה 8 - הסבר","Duration":1540000000,"VideoQuestionQueItems":[],"ID":43880},{"Watched":false,"Name":"שאלה 8 סעיף א","Duration":1220000000,"VideoQuestionQueItems":[],"ID":43881},{"Watched":false,"Name":"שאלה 8 סעיף ב","Duration":1220000000,"VideoQuestionQueItems":[],"ID":43882},{"Watched":false,"Name":"שאלה 8 סעיף ג","Duration":1210000000,"VideoQuestionQueItems":[],"ID":43883},{"Watched":false,"Name":"שאלה 8 סעיף ד","Duration":820000000,"VideoQuestionQueItems":[],"ID":43884},{"Watched":false,"Name":"שאלה 8 - פתרון","Duration":300000000,"VideoQuestionQueItems":[],"ID":43885},{"Watched":false,"Name":"שאלה 9 - הסבר","Duration":2400000000,"VideoQuestionQueItems":[],"ID":43886},{"Watched":false,"Name":"שאלה 9 סעיף א","Duration":790000000,"VideoQuestionQueItems":[],"ID":43887},{"Watched":false,"Name":"שאלה 9 סעיף ב","Duration":1120000000,"VideoQuestionQueItems":[],"ID":43888},{"Watched":false,"Name":"שאלה 9 סעיף ג","Duration":950000000,"VideoQuestionQueItems":[],"ID":43889},{"Watched":false,"Name":"שאלה 9 סעיף ד","Duration":920000000,"VideoQuestionQueItems":[],"ID":43890},{"Watched":false,"Name":"שאלה 10 - הסבר","Duration":1190000000,"VideoQuestionQueItems":[],"ID":43891},{"Watched":false,"Name":"שאלה 10 - פתרון","Duration":3930000000,"VideoQuestionQueItems":[],"ID":43892},{"Watched":false,"Name":"שאלה 11 - הסבר","Duration":1430000000,"VideoQuestionQueItems":[],"ID":43893},{"Watched":false,"Name":"שאלה 11 - פתרון","Duration":3040000000,"VideoQuestionQueItems":[],"ID":43894},{"Watched":false,"Name":"שאלה 12 הסבר","Duration":1760000000,"VideoQuestionQueItems":[],"ID":45490},{"Watched":false,"Name":"שאלה 12 סעיף א","Duration":3470000000,"VideoQuestionQueItems":[],"ID":45491},{"Watched":false,"Name":"שאלה 12 סעיפים ב-ג","Duration":4370000000,"VideoQuestionQueItems":[],"ID":45492},{"Watched":false,"Name":"שאלה 13 סעיף א - הסבר","Duration":2520000000,"VideoQuestionQueItems":[],"ID":43895},{"Watched":false,"Name":"שאלה 13 סעיף א - פתרון","Duration":4870000000,"VideoQuestionQueItems":[],"ID":43896},{"Watched":false,"Name":"שאלה 13 סעיף ב - פתרון","Duration":3840000000,"VideoQuestionQueItems":[],"ID":43897},{"Watched":false,"Name":"שאלה 13 סעיף ג","Duration":6600000000,"VideoQuestionQueItems":[],"ID":45493},{"Watched":false,"Name":"שאלה 13 סעיף ד","Duration":4380000000,"VideoQuestionQueItems":[],"ID":45850},{"Watched":false,"Name":"שאלה 13 סעיף ה","Duration":1160000000,"VideoQuestionQueItems":[],"ID":45494},{"Watched":false,"Name":"שאלה 13 סעיף ו","Duration":880000000,"VideoQuestionQueItems":[],"ID":45851},{"Watched":false,"Name":"שאלה 14 סעיף א","Duration":7730000000,"VideoQuestionQueItems":[],"ID":45495},{"Watched":false,"Name":"שאלה 14 סעיפים ב-ג","Duration":2490000000,"VideoQuestionQueItems":[],"ID":45496},{"Watched":false,"Name":"שאלה 14 סעיף ד 2-1","Duration":4690000000,"VideoQuestionQueItems":[],"ID":45497},{"Watched":false,"Name":"שאלה 14 סעיף ד 4-3","Duration":3120000000,"VideoQuestionQueItems":[],"ID":45498}],"ID":8083}]

[{"ID":8071,"Videos":[43808,43809]},{"ID":8072,"Videos":[43810,43811,43812]},{"ID":8073,"Videos":[43813,43814,43815]},{"ID":8074,"Videos":[43816]},{"ID":8075,"Videos":[43817,43818,43819,43820]},{"ID":8076,"Videos":[43821]},{"ID":8077,"Videos":[43822,43823,43824,43825,43826,43827,43828,43829]},{"ID":8078,"Videos":[43830,43831,43832,43833,43834,43835,43836]},{"ID":8079,"Videos":[43838,43837,43839,43840,43841,43842,43843]},{"ID":8080,"Videos":[43844,43845,43846,43847,43848,43849]},{"ID":8081,"Videos":[43850]},{"ID":8082,"Videos":[43851]},{"ID":8083,"Videos":[43852,43853,43854,43855,43856,43857,43858,43859,43860,43861,43862,43863,43864,43865,43866,43867,43868,43869,43870,43871,43872,43873,43874,43875,43876,43877,43878,43879,43880,43881,43882,43883,43884,43885,43886,43887,43888,43889,43890,43891,43892,43893,43894,45490,45491,45492,43895,43896,43897,45493,45850,45494,45851,45495,45496,45497,45498]}];

[43808,43809];

1

3

[[[],[]],[[],[],[]],[[],[],[]],[[]],[[],[],[],[]],[[]],[[],[],[],[],[],[],[],[]],[[],[],[],[],[],[],[]],[[],[],[],[],[],[],[]],[[],[],[],[],[],[]],[[]],[[]],[[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[]]]