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What is Relative Motion?

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Tutorialspoint

Updated on 10-Oct-2022 09:39:20

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The motion of an object with respect to another object is nothing but relative motion. For example, if you are traveling on a train then you are at rest with respect to the observer on the train, but you are in motion with respect to the person outside the train. ... Read More

Find The Product 1. 12#13#(20+30)

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Tutorialspoint

Updated on 10-Oct-2022 09:39:20

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Given: 12, 13, and (20 + 30) To find: We have to find the product of 12, 13 and 50Solution:  12 x 13 x (20 + 30) = 12 x 13 x (50) = 12 x 650 = 7800

What is Loading?

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Tutorialspoint

Updated on 10-Oct-2022 09:39:20

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The process of adding a chemical to an impure liquid in order to speed up the process of sedimentation is called loading.Alum is the commonly-used chemical which helps in loading.Alum increases the rate of sedimentation because alum acts as an external agent and causes the particles present in solution to ... Read More

What is a variable?

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Tutorialspoint

Updated on 10-Oct-2022 09:39:20

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Variable: A variable is denoted by a symbol that can take any real value. The value of a variable is not fixed.The letters x, y, and z are generally used for variables.Example:In 2x + 4 + y;Where 2 & 4 are constants,and, x & y are variables.

Calculate the formula unit massesof ZnO, Na2O, K2CO3, given atomic masses of Zn = 65u, Na = 23u, K = 39, C = 12u, and O = 16u.

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Tutorialspoint

Updated on 10-Oct-2022 09:39:20

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The formula unit mass of- 1. ZnO = mass of Zn + mass of O        = 65 +16 = 81 u. 2. Na2O = 2(mass of Na) + (mass of O)            = 2(23) + 16            = 46+16            = 62 u. 3. K2CO3 = 2(39) +12+3(16)               = 78+12+48                = 138 u.

What is the molecular mass of-1. H2, 2. O2, 3. Cl2, 4. CO2, 5. CH2, 6. C2H6, 7. C2H4, 8. NH3, 9. CH3OH.

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Tutorialspoint

Updated on 10-Oct-2022 09:39:20

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The molecular mass of-1. Hydrogen (H2) = 1.00784 u.2. Oxygen (O2) = 15.999 u.3. Chlorine (Cl2) = 35.453 u.4. Carbon dioxide (CO2) = 44.01 g/mol.5. Methane (CH2) = 16.04 g/mol.6. Ethane (C2H6) = 30.07 g/mol.7. Ethylene (C2H4) = 28.05 g/mol.8. Ammonia (NH3) = 17.031 g/mol.9. Methanol (CH3OH) = 32.04 g/mol.

Find the value of $x$ $3(x-3) = 5(2x + 1)$

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Tutorialspoint

Updated on 10-Oct-2022 09:39:20

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Given: $3(x-3) = 5(2x + 1)$To do: Solve for $x$Solution:$3 (x-3 )=5(2x+1)$ $3x-9=10x+5$$3x-10x=9+5$$-7x=14$$x=\frac{14}{-7}$ $x=-2$Therefore, the value of $x$ is 2

What is the meaning of the Evolution of food?

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Tutorialspoint

Updated on 10-Oct-2022 09:39:20

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Food evolution refers to examines the origin and history of food and nutrition and its impact on culture, environment, and society. In ancient times peoples were depended upon traditional foods like fruits, nuts, roots and other plant foods, meat from animals and fish from seas, lakes, and rivers which are rich ... Read More

Fill in the blank: Shining bodies are _____ of radiant Heat

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Tutorialspoint

Updated on 10-Oct-2022 09:39:20

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Shining bodies are bad absorbers of heat. When heat is incident on the polished surface, most of the heat is reflected. So, they are bad absorbers.

What Is Bolus??

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Tutorialspoint

Updated on 10-Oct-2022 09:39:20

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Bolus is a mass of food formed by mixing of chewed food particles and saliva. When we ingest the food, the food is crushed by the teeth, mixed with the saliva and form mass that further moves into the food pipe or esophagus. This mass of food is bolus.

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