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

Mass of 1 gram of silver is 1 gram itself, no matter where ever you take it in the known universe. Additionally, The molar mass of silver is 107.9 g/mol.(rounding to 108). As 1 mole = 6.023 x 10^23 molecules (Avogadro's number), 108 g of Silver contains 6.023 x 10^23 molecules.

4Thank You

ANSWER

Determine the empirocal formula of an oxide of iron which has ji

Posted by Harsh Goyal 7 years, 8 months ago

CBSE > Class 11 > Chemistry

0 answers

ANSWER

Describe the cathode ray tube with proper explanation .

Posted by Archita G 7 years, 8 months ago

CBSE > Class 11 > Chemistry

1 answers

Jay Mahakaal 7 years, 8 months ago

Over the course of three experiments J. J. Thomson discovered the existence of electrons. He did this using a cathode ray tube, which is a vacuum-sealed tube with a cathode and anode on one end that create a beam of electrons travelling towards the other end of the tube.

1Thank You

ANSWER

what is difference between torque and impulse ?

Posted by Ayush Kumar Singh 7 years, 8 months ago

CBSE > Class 11 > Chemistry

1 answers

Kapil Balayra 7 years, 8 months ago

Different derived physical quantities

2Thank You

ANSWER

Find the total number of protons in log of calcium carbonate

Posted by Aditya Kumar 7 years, 8 months ago

CBSE > Class 11 > Chemistry

0 answers

ANSWER

Greater charge means greater the attraction how?

Posted by Ajaib Singh 7 years, 8 months ago

CBSE > Class 11 > Chemistry

0 answers

ANSWER

Write the electronic configuration on Fe

Posted by Rohit Prajapati 7 years, 8 months ago

CBSE > Class 11 > Chemistry

1 answers

Preet Sharma 7 years, 8 months ago

The electronic configuration of Fe is 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^6.

0Thank You

ANSWER

A sample of oxygen consist of three isotopes O-16 ,O-17 , O-18 in the releative abundance of 99.76%, 0.04%, 0.30% respectively . What is the average mass of oxygen.

Posted by Amardeep Kaur 7 years, 8 months ago

CBSE > Class 11 > Chemistry

2 answers

Priya Sharma 7 years, 8 months ago

If*

1Thank You

Priya Sharma 7 years, 8 months ago

Listen i u get ans of this question may be from anywhere.. Please post it... Actually i also wanna know its ans

2Thank You

ANSWER

Boron occur in nature in the form of two isotopes having atomic mass 10 and 11. What are the percentage abundance of these isotopes in the sample a boron having average atomic mass of 10.8

Posted by Amardeep Kaur 7 years, 8 months ago

CBSE > Class 11 > Chemistry

2 answers

Khanak Gupta 7 years, 8 months ago

C-11=80%*.....bt mistake 11% was typed

0Thank You

Khanak Gupta 7 years, 8 months ago

C-10=20% and C-11=11%

1Thank You

ANSWER

What is compound

Posted by Bhupender Dagar 7 years, 8 months ago

CBSE > Class 11 > Chemistry

1 answers

Priya Sharma 7 years, 8 months ago

atoms or molecules of diff elements combine In a particular Ratio to form Compound

1Thank You

ANSWER

Best reference book for chemistry

Posted by Suyash Tamrakar 7 years, 8 months ago

CBSE > Class 11 > Chemistry

4 answers

Sia Swift 7 years, 8 months ago

Pradeep, is best one

0Thank You

Aarav Tyagi 7 years, 8 months ago

pardeep publication ☺☺

6Thank You

Ambrish Yadav 7 years, 8 months ago

Pradeep Publication

6Thank You

Shoaib Hayat 7 years, 8 months ago

ncert

4Thank You

ANSWER

Show calculation on how to find number of protons in 2.2mg of carbon dioxide

Posted by Sakshi Chauhan 7 years, 8 months ago

CBSE > Class 11 > Chemistry

0 answers

ANSWER

I want class 10 result sample format for pre boards and boards pls answer soon

Posted by Vaibhav Saxena 7 years, 8 months ago

CBSE > Class 11 > Chemistry

3 answers

Vaibhav Saxena 7 years, 8 months ago

I want to that how result of 10 is devided like. 60%of board exam and 40%of school i want to know the ratio of marks and preboard exam result is considered in main result or not.

0Thank You

Priya Sharma 7 years, 8 months ago

I did not understand ur question..

2Thank You

Kapil Balayra 7 years, 8 months ago

Hello

5Thank You

ANSWER

Dalton throry

Posted by Narinderjit Kaur 7 years, 8 months ago

CBSE > Class 11 > Chemistry

0 answers

ANSWER

Convert 6.92 x 10^-7m into micro metre and angstroms

Posted by Kamaljeet Singh 7 years, 8 months ago

CBSE > Class 11 > Chemistry

1 answers

Priya Sharma 7 years, 8 months ago

6.92*10^3 amstrong 0.692 micro.metres

1Thank You

ANSWER

Hi,what is chemistry?

Posted by Shivam Kumar 7 years, 8 months ago

CBSE > Class 11 > Chemistry

1 answers

Manas Soni 7 years, 8 months ago

The branch of science concerned with the substances of which matter is composed, the investigation of their properties and reactions, and the use of such reactions to form new substances.

4Thank You

ANSWER

If atomic masses table assigned value of oxygen be 200 then mass of carbon atom is

Posted by Rohaan Qadir 7 years, 8 months ago

CBSE > Class 11 > Chemistry