1الكتلة والمول
1الكتلة والمول
In this learning objective| we will discuss the 20 Amino acids: Essential ...
In this learning objective| we will discuss the 20 Amino acids: Essential to living organisms
24- ورقة عمل درس الاحلال المزدوج
2اسئلة امتحان كيمياء 6 للصف الثالث علمي فصل الكيمياء الكهربائية
5المادة
7المادة وتغيراتها
This case was developed for use in the first semester of a ...
This case was developed for use in the first semester of a sophomore organic chemistry laboratory to illustrate how a combination of techniques is usually required in the identification of chemical compounds. It involves a murder mystery with a forensic twist. Students are told that two bodies have recently been recovered from two different lakes. Due to a mix-up at the morgue, the coroner's office is unable to determine which body came from which lake. The students' task is to develop a methodology to solve this mystery as well as determine whether the deaths were the result of murder or mishap. The case could also be used in instrumental analysis courses or adapted for a non-majors course in the general education curriculum.
In this activity, students explore the effect of chemical erosion on statues ...
In this activity, students explore the effect of chemical erosion on statues and monuments. They use chalk to see what happens when limestone is placed in liquids with different pH values. They also learn several things that engineers are doing to reduce the effects of acid rain.
In this learning objective| we will discuss the Acid-Base Properties of Water
Acid-Base Properties of Water
How do strong and weak acids differ? Use lab tools on your ...
How do strong and weak acids differ? Use lab tools on your computer to find out! Dip the paper or the probe into solution to measure the pH, or put in the electrodes to measure the conductivity. Then see how concentration and strength affect pH. Can a weak acid solution have the same pH as a strong acid solution?
معايرات الاحماض مع القواعد فى المعمل باستخدام ادوات زجاجية بسيطة
This learning object provides information on the acidity and basicity of alcohols ...
This learning object provides information on the acidity and basicity of alcohols and phenols.
This learning object provides information on the acidity and basicity of alcohols ...
This learning object provides information on the acidity and basicity of alcohols and phenols.
This learning object provides information on the acidity and basicity of alcohols ...
This learning object provides information on the acidity and basicity of alcohols and phenols.
Acids Have a sour taste. Vinegar owes its taste to acetic acid. ...
Acids Have a sour taste. Vinegar owes its taste to acetic acid. Citrus fruits contain citric acid.
React with certain metals to produce hydrogen gas.
React with carbonates and bicarbonates to produce carbon dioxide gas
In this learning objective| we will discuss the Acids & Bases
In this "clicker case," a three-year-old girl gets into the medicine cabinet ...
In this "clicker case," a three-year-old girl gets into the medicine cabinet and ingests an unknown number of aspirin tablets. Her brother calls 911 and the girl is taken to a nearby hospital, where she is treated. The case is used to discuss the Law of Mass Action, chemical equilibrium and equilibrium constants, pH, and weak acids and buffers in the context of medical management of a life-threatening emergency. It is called a "clicker" case because it is designed to be presented in a class that uses personal response systems, or "clickers." The case is presented via a series of PowerPoint slides (~400KB) punctuated by multiple-choice questions, which the students answer using their clickers. It could be adapted for use without these technologies. The case is suitable for use in an introductory biology course where integration with biologically relevant chemistry is an important course objective. It could also be used in a chemistry course.
• Adding a Catalyst • does not change K • does not ...
• Adding a Catalyst
• does not change K
• does not shift the position of an equilibrium system
• system will reach equilibrium sooner
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