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Hit and Trial Method or Inspection Method
The symbols and formulae of the reactant and products are written as a skeletal equation. Any elementary gas (O 2 , H 2 , N 2 etc.) appearing on either side of the skeletal equation, is written in the atomic state. The formula containing the maximum number of atoms is selected to begin the..
Balancing of Chemical Equation
Balancing of Chemical Equation - A chemical equation should be balanced so as to satisfy the requirements of the law of conservation of mass, as no matter is destroyed or created during a chemical reaction. The two popular methods of balancing are the hit and tria..
Balancing of Chemical Equations
If the number of atoms of an element on both sides of a chemical reaction is equal, then the equation is said to be balanced . Example: Potassium nitrate decomposes on heating to form Potassium nitrite and Oxygen. Now count the number of atoms of each element on each side of the eq..
If the number of atoms of an element on both sides of a chemical reaction is equal, then the equation is said to be balanced . Example: Potassium nitrate decomposes on heating to form Potassium nitrite and Oxygen. Now count the number of atoms of each element on each side of the eq..Bernoulli trial:
A random experiment which has only two outcomes (success or failure) Let n independent bernoulli trials be performed and X denote the number of successes in n trials then X follows a binomial distribution. The probability of success be p, The probability of failure = 1- p..
A random experiment which has only two outcomes (success or failure) Let n independent bernoulli trials be performed and X denote the number of successes in n trials then X follows a binomial distribution. The probability of success be p, The probability of failure = 1- p..Common Balance
This balance consists of a beam and two scale pans (shown in figure below), the beam being balanced at its mid point on a knife-edge. The scale pans also hang on knife edges and rest on the base board. When the balance is not in use the beam rests on the beam support...
This balance consists of a beam and two scale pans (shown in figure below), the beam being balanced at its mid point on a knife-edge. The scale pans also hang on knife edges and rest on the base board. When the balance is not in use the beam rests on the beam support...Balanced Diet
The human body requires various types of nutrients in order to keep the body healthy and fit. These nutrients should be taken appropriately in our diet. The diet that we follow should be balanced. Balanced diet is a diet, which provides all the nutrients needed by the body..
Ecological Balance
2 = carnivore order-2) The food chains and other such interrelationships in the ecosystems create a balance in the environment that is called the ecological balance. Man is also a part of these food chains and webs. However, man tries to modify the environment to suit his need..
2 = carnivore order-2) The food chains and other such interrelationships in the ecosystems create a balance in the environment that is called the ecological balance. Man is also a part of these food chains and webs. However, man tries to modify the environment to suit his need..A beam balance
The physical balance used in the school laboratory is pivoted in the middle with equal arms. The two scale pans of equal weights are hung from the upper edge of wedge shaped supports at either end of the beam. When the beam is raised for weighing, it swings freely about the lower edge of..
The physical balance used in the school laboratory is pivoted in the middle with equal arms. The two scale pans of equal weights are hung from the upper edge of wedge shaped supports at either end of the beam. When the beam is raised for weighing, it swings freely about the lower edge of..Balanced Diet
The human body requires various types of nutrients in order to keep the body healthy and fit. These nutrients should be taken appropriately in our diet. The diet that we follow should be balanced. Balanced diet is a diet, which provides all the nutrients needed by the body in c..
The number of ATM transactions of a bank per day were recorded at 12 l..
The number of ATM transactions of a bank per day were recorded at 12 locations in a city. The mean of the sample was 88.5 transactions, with a sample standard deviation of 42. Find the 98% confidence interval of the true mean. => 19.06 < μ < 157.94 or 78.99 < μ &l..
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