Login
Subject: Chemistry, asked on 14/11/21

The volume of CO, obtained at N.T.P by heating 200 g of 75% pure CaCO3 is

(A) 88mL (B) 66mL (C) 33.6mL (D) 33.6L

Subject: Chemistry, asked on 14/11/21

What mass of ammonia will be produced if 28 g nitrogen reacts with 3 g of Hydrogen?

(A) 34 g (B) 3.4g (C) 17 g (D) 31g

Subject: Chemistry, asked on 7/11/21

An organic compound has the following percentage composition: C=26.70%, H=2.20%, O=71.10%. If the vapour density is 45, calculate the molecular formula of the compound.

Subject: Chemistry, asked on 22/7/21

Help with 1.115

Subject: Chemistry, asked on 22/7/21

Help with 1.111

Subject: Chemistry, asked on 22/7/21

Please answer my question (83)?

Subject: Chemistry, asked on 22/7/21

Please answer my question (81)?

Subject: Chemistry, asked on 19/7/21

Help with this

Subject: Chemistry, asked on 19/7/21

Help with this one

Subject: Chemistry, asked on 24/5/21

Certain amount of an ideal gas occupies a volume of 0.4 litre at 17?C. To what temperature should it be heated so thats its volume becomes double.

Subject: Chemistry, asked on 10/4/21

Please help me solve the following

Subject: Chemistry, asked on 24/3/21

How to solve

Subject: Chemistry, asked on 28/2/21

A molecular formula of an oganic compund is H4C2O4. What is its empirical formula?

Subject: Chemistry, asked on 23/2/21

Pls solve this and show the steps of the working.

Subject: Chemistry, asked on 23/2/21

How to solve this?

12345
What are you looking for?