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, 4 months ago

CBSE > Class 11 > Chemistry

4 answers

Prathisha S 3 years, 3 months ago

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

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Dhruv Agarwal 3 years, 4 months ago

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Arman Zaman 3 years, 4 months ago

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Md Shoaib 3 years, 4 months ago

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What is the scientific notation of 0.000762?

Posted by Liza Barman 3 years, 4 months ago

CBSE > Class 11 > Chemistry

1 answers

Arman Zaman 3 years, 4 months 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, 4 months ago

CBSE > Class 11 > Chemistry

2 answers

Avinash Kumar 3 years, 4 months ago

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Shubham Shandilya 3 years, 4 months ago

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Express 1 atmospheric pressure in SI unit

Posted by Liza Barman 3 years, 4 months ago

CBSE > Class 11 > Chemistry

1 answers

Sushma Vl 3 years, 4 months 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, 4 months ago

CBSE > Class 11 > Chemistry

1 answers

Arman Zaman 3 years, 4 months ago

5.18 × 10^-4

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Express 98 degree F temperature in Kelvin scale .

Posted by Liza Barman 3 years, 4 months ago

CBSE > Class 11 > Chemistry

1 answers

Arman Zaman 3 years, 4 months 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, 4 months ago

CBSE > Class 11 > Chemistry

1 answers

Ayush Gigras 3 years, 4 months 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, 4 months ago

CBSE > Class 11 > Chemistry

1 answers

Arman Zaman 3 years, 4 months 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, 4 months ago

CBSE > Class 11 > Chemistry

1 answers

Kavipriya S 3 years, 4 months ago

Answer tomorrow

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Next chapter????

Posted by Abhinav Gurjar 3 years, 4 months ago

CBSE > Class 11 > Chemistry

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Notes of ch structure of atom

Posted by Chandramohan Bisht 3 years, 4 months 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, 4 months ago

CBSE > Class 11 > Chemistry

2 answers

Abhinav Gurjar 3 years, 4 months ago

My homework is complete

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Ankush Rawani 3 years, 4 months 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, 4 months ago

CBSE > Class 11 > Chemistry

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Cation

Posted by Apoorva Singh 3 years, 4 months ago

CBSE > Class 11 > Chemistry

1 answers

Vansh Kamboj 3 years, 4 months 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, 4 months ago

CBSE > Class 11 > Chemistry

2 answers

Abhinav Gurjar 3 years, 4 months ago

And iam complete my work and send the photos or work

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Tanushree Mukherjee 3 years, 4 months 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, 4 months ago

CBSE > Class 11 > Chemistry

1 answers

Tanushree Mukherjee 3 years, 4 months 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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