احتاج بشدة امتحانات كيمياء باللغة الانجليزية

[طارق فتح الله]

السادة مسئولى الموقع ارجوكم ساعدونى فى العثور على امتحانات كيمياء للمرحلة الاولى باللغة الانجليزية واجاباتها 00 دايخ لبنتى ويارب اجد لديكم المساعدة والمعاونة وبارك الله فيكم

[طارق فتح الله]

هل من مجيب لطلبى يا جماعة الخير 00 بارك الله فيكم

[بنت النيل2]

ممكن سؤالين حتى لو ينفع نراجع بيهم المذاكره لو سمحتوا بس يكونوا بالاجابه

ان مش عارفه انااااااااااام

[عاطف خليفة]

Calculate the intensity of the current required to obtain 50 cc of oxygen when the electrolysis of water acidified with sulfuric acid diluted to 3 hours

[عاطف خليفة]

Ordered quantity, electric, and one clinical trials in the two cells connected in a row was a block of copper deposits in the first cell in the cell 0.081 g 0.1619 g to find that the other is the symbol of copper ions in the first cell cu +2
- What the code of copper ions in the cell other is

[عاطف خليفة]

First question: - A - type scientific term is indicative of the following phrases
1 - a compound used in the removal of water hardness is not affected by heating -
2 - causes swelling of the joints, liver and eye pain -
3 - elements oxidation numbers ranging between (-3 and +5) -
4 - The amount of energy released or gained when moving electron energy level to another energy level -
5 - When the temperature is proven match the speed of chemical reaction directly proportional to the product of concentrations of the reactants -
6 - Agreement of organic compounds in the formula, molecular, and one difference in physical and chemical properties as a result of disagreement in the structure -
7 - Association of chemical formed between two atoms, one by a pair of free electrons and the other by Orbital receives an empty pair of electrons -

[عاطف خليفة]

B - C, B, A three elements
1 - Component (A) is located in the second session of Hydrogen and be with many organic compounds important
2 - Component (B) located at the third session Aksidp AC
3 - Component (C) is located at the fourth session and atomic number 26

Previous information
1 - Write the electronic distribution of an atom element (C)
2 - united atom of the element (A) with four hydrogen atoms bonded to a composite component of a member of alkanes What is the general formula for alkanes? And the type of hybridization in this compound
3 - What is the result of the interaction of hydroxide component (B) with sodium hydroxide
4 - What type and category of component (C) and the purpose of the operations of crushing of the ore content on this item

[عاطف خليفة]

C - solve 2 grams of sample is pure sodium chloride in water and add to it an ample amount of a solution of silver nitrate ///87 . 2 grams of silver chloride are ppt, calculate the percentage of the degree of purity of the sampl