CBSE > Class 11 > Chemistry | CBSE Board | Homework Help

The torr (symbol: Torr) is a unit of pressure based on an absolute scale, defined as exactly 1760 of a standard atmosphere (101325 Pa). Thus one torr is exactly 101325760 pascals (≈ 133.32 Pa).

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What is the number of significant digits in 1.00×10⁶

Posted by Liza Barman 3 years, 1 month ago

CBSE > Class 11 > Chemistry

4 answers

Prathisha S 3 years ago

3 significant figures Because, the zeroes right to the decimal are significant.

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Dhruv Agarwal 3 years ago

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Arman Zaman 3 years, 1 month ago

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Md Shoaib 3 years, 1 month ago

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What is the scientific notation of 0.000762?

Posted by Liza Barman 3 years, 1 month ago

CBSE > Class 11 > Chemistry

1 answers

Arman Zaman 3 years, 1 month ago

7.62 × 10^-4

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What is the number of significant figures in 0.00650

Posted by Liza Barman 3 years, 1 month ago

CBSE > Class 11 > Chemistry

2 answers

Avinash Kumar 3 years, 1 month ago

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Shubham Shandilya 3 years, 1 month ago

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Express 1 atmospheric pressure in SI unit

Posted by Liza Barman 3 years, 1 month ago

CBSE > Class 11 > Chemistry

1 answers

Sushma Vl 3 years, 1 month ago

1 atm=101325 Pa SI unit of pressure is Pascal.

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Write the scientific notation for 0.000518?

Posted by Liza Barman 3 years, 1 month ago

CBSE > Class 11 > Chemistry

1 answers

Arman Zaman 3 years, 1 month ago

5.18 × 10^-4

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Express 98 degree F temperature in Kelvin scale .

Posted by Liza Barman 3 years, 1 month ago

CBSE > Class 11 > Chemistry

1 answers

Arman Zaman 3 years, 1 month ago

In celcius = 36.667 In kelvin = 309.667

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What is the scientific notation for 0.00262?

Posted by Liza Barman 3 years, 1 month ago

CBSE > Class 11 > Chemistry

1 answers

Ayush Gigras 3 years, 1 month ago

2.62*10^–3

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What are the name and the symbol of the S.I unit of temperature?

Posted by Liza Barman 3 years, 1 month ago

CBSE > Class 11 > Chemistry

1 answers

Arman Zaman 3 years, 1 month ago

Kelvin (K)

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9.80g of KClO3 when heated gave 3.84g of oxygen and 5.92 of KCl was left behind.show that law of conservation of mass is obeyed

Posted by Boyka Thongni 3 years, 1 month ago

CBSE > Class 11 > Chemistry

1 answers

Kavipriya S 3 years, 1 month ago

Answer tomorrow

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Next chapter????

Posted by Abhinav Gurjar 3 years, 1 month ago

CBSE > Class 11 > Chemistry

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Notes of ch structure of atom

Posted by Chandramohan Bisht 3 years, 1 month ago

CBSE > Class 11 > Chemistry

0 answers

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What is the need to do cathode ray experiment?

Posted by Shreya Dubey 3 years, 1 month ago

CBSE > Class 11 > Chemistry

2 answers

Abhinav Gurjar 3 years, 1 month ago

My homework is complete

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Ankush Rawani 3 years, 1 month ago

Cathod rays experiment was showed that the all atoms contain negatively charged particles or electrons

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Types of atomic radii

Posted by Apoorva Singh 3 years, 1 month ago

CBSE > Class 11 > Chemistry

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Cation

Posted by Apoorva Singh 3 years, 1 month ago

CBSE > Class 11 > Chemistry

1 answers

Vansh Kamboj 3 years, 1 month ago

The ion containing negative charge or the atom which recieved electrons from other atoms and contains negative charge is called a cation....

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Calculate the volume of 34 g of ammonia under standard conditions

Posted by Mohammed Calcuttwala 3 years, 1 month ago

CBSE > Class 11 > Chemistry

2 answers

Abhinav Gurjar 3 years, 1 month ago

And iam complete my work and send the photos or work

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Tanushree Mukherjee 3 years, 1 month ago

Given mass of NH3 =34g Molar mass of NH3 = 11*2 +3*1=25g No of mole = given mass of NH3/molar mass of NH3 =34/25=1.36mol Let the volume of NH 3=x No of mole =given volume/22.4L 1.36=x/22.4 X=1.36*22.4=30.464L I hope it helps u

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INTRODUCTION TO ANAIYTICAL CHEMISTRY

Posted by S Deore 3 years, 1 month ago

CBSE > Class 11 > Chemistry

1 answers

Tanushree Mukherjee 3 years, 1 month ago

Analytical chemistry is the science of obtaining, processing, and communicating information about the composition and structure of matter. In other words, it is the art and science of determining what matter is and how much of it exists.

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