CBSE XI Science Chemistry Hydrocarbons
What is the molecular formula of 2,5-dimethyl 3-ethyl hexane(
)
Asked by kpbhake
20th January 2018
6:57 AM
Answered by Expert
ICSE VIII Chemistry Language of Chemistry
formula of sulphuric acid
Asked by 172094266855403
20th January 2018
7:30 PM
Answer Verified by Expert
CBSE IX Chemistry Atoms and Molecules
Can I get valency table for writing chemical formula
Asked by Muruga
23rd January 2018
6:52 AM
Answered by Expert
JEE Plances JEE (Main) Chemistry
a compound contains 4.07% hydrogen, 24.27% carbon and 71.65 chlorine. Its molar mass is 98.96g. what are its emperical and molecular formulae?
Asked by futureisbright051101
26th February 2018
3:09 PM
Answered by Expert
CBSE IX Chemistry Atoms and Molecules
the constituent element of sulphuric acid
Asked by NIDHISH KANNA
11th March 2018
1:30 PM
Answered by Expert
ICSE VIII Chemistry Language of Chemistry
what does a chemical formula represent?
Asked by nathsantanukumar
9th May 2018
6:58 PM
Answered by Expert
NEET1 NEET1 Chemistry
When 3g of a non volatile hydrocarbon containing 94.4% carbon is dissolved in 100 g benzene the vapour pressure of benzene is lowered from 9.953 to 9.823 K Pa. The molecular formula of the hydrocarbon is :-
Asked by Atulcaald
15th May 2018
12:57 PM
Answered by Expert
CBSE XI Science Chemistry Some Basic Concepts of Chemistry
Emperical formula of a gaseous compound is CH2Cl. 0.12 g of the compound occupies a volume of 37.20cc at 105 degree centigrade and 768mm Hg.Find the molecular formula of the compound.
Asked by tps.mjmdr
22nd June 2018
6:36 PM
Answered by Expert
JEE Plances JEE (Main) Chemistry
Two oxides of a metal contain 50% & 40% metal M respectively. If the formula of the first oxide is MO2 the formula of the second oxide will be-
Asked by sakshisingh3124
7th July 2018
11:10 PM
Answered by Expert
CBSE XI Science Chemistry Some Basic Concepts of Chemistry
A compound contains 38.8% of C,16.0% of H and 45.2% of N.What is the formula of the compound?
Asked by sligade7
16th July 2018
10:10 PM
Answered by Expert
ICSE X Chemistry Mole Concept and Stoichiometry
a compound of lead has the following percentage composition;pb=90.66%,o=9.34%. find the empirical formula of the compound[pb=207,O=16]
Asked by radhisenthil
31st July 2018
8:44 PM
Answered by Expert
ICSE VII Chemistry Elements, Compounds and Mixtures
How to write a chemical formula for Calcium bisulphate
Asked by sushma_chaudhari07
19th August 2018
11:36 AM
Answered by Expert
ICSE X Chemistry Mole Concept and Stoichiometry
A compound of emperical formula CH2O has a VDof 30 write down its molecular formula.
Asked by yajay0441
27th August 2018
3:15 PM
Answered by Expert
ICSE VIII Chemistry Language of Chemistry
glucose chemical formula
Asked by kaushikmaneesh109
31st October 2018
9:09 PM
Answered by Expert
CBSE IX Chemistry Atoms and Molecules
How can we write chemical formulas
Asked by bhardwajritik2602
13th December 2018
7:31 AM
Answered by Expert
CBSE IX Chemistry Atoms and Molecules
Write the molecular formula of aluminum oxide
Asked by chuanahmar
19th January 2019
10:39 AM
Answer Verified by Expert
CBSE IX Chemistry Atoms and Molecules
An element X has a valancy 3.write the formula of its oxide
Asked by hridhyavijay
31st January 2019
8:04 AM
Answered by Expert
ICSE IX Chemistry
what is the formula of glycerine?
Asked by mdey04045
28th February 2019
6:15 PM
Answered by Expert
ICSE IX Chemistry Study of Gas Laws
Two organic compounds X and Y contain carbon and hydrogen ONLY and have vapour density 13 and 39 respectively.Calculate the molecular formula of X and Y
Asked by pb_ckt
20th March 2019
2:43 PM
Answered by Expert
ICSE IX Chemistry Language of Chemistry
what is the formula of copper nitrate
Asked by himanshitanda2605
30th April 2019
10:18 PM
Answered by Expert
CBSE XI Science Chemistry Some Basic Concepts of Chemistry
2 oxides of metal contain 50% and 40% of metal respectively. If formula of first oxide is MO then determine the formula of second oxide
Asked by anshulsingh7234
18th June 2019
9:56 AM
Answered by Expert
CBSE XI Science Chemistry Some Basic Concepts of Chemistry
A compoundmade up of two elements A and B has A=70%,B=30 Their relative number of moles in compound is 1.25 and 1.88, calculate: [ i ] Atomic masses of the elements A and B [ ii ] Molecular formula of the compond,if its molecular mass is found to be 160.
Asked by aniljhalic95136
9th July 2019
1:57 PM
Answered by Expert
CBSE XI Science Chemistry Some Basic Concepts of Chemistry
An analysis of aluminum sulfate revealed that its copper contained 0.0774 mole sulfate ions. So find the aluminum moles present in this sample.
Asked by nisarg4248
29th August 2019
10:19 PM
Answered by Expert
NEET NEET Chemistry Some Basic Concepts in Chemistry
Solution please
Asked by brijk456
3rd September 2019
12:08 AM
Answered by Expert
ICSE VIII Chemistry Language of Chemistry
Magnesium sulphate crystals are commonly called as_ a) gypsum salt b) Epsom salt c) green vitriol d) alum
Asked by nagarajmkt123
29th October 2019
2:13 PM
Answered by Expert
CBSE IX Chemistry Atoms and Molecules
an element x show 2 valancies of 3&5. workout the formula of 2 oxide of this element.
Asked by ajitchauhanrss
31st October 2019
10:07 PM
Answered by Expert
ICSE IX Chemistry Language of Chemistry
What information is conveyed by the following formulae? Glucose (C6 H12 O6) Lead nitrate PB (NO3)2 Washingsoda [Na2CO3.10H2O]
Asked by palashsoni4700.9sdatl
23rd April 2020
7:50 AM
Answered by Expert
CBSE XI Science Chemistry Some Basic Concepts of Chemistry
jkk
Asked by saswati509
3rd May 2020
10:10 AM
Answered by Expert
CBSE XI Science Chemistry Some Basic Concepts of Chemistry
In this, if the options weren't there, couldn't it have been YX 2 (2 in subscript)
Asked by drhimasingh
22nd May 2020
11:39 AM
Answered by Expert
CBSE XI Science Chemistry Some Basic Concepts of Chemistry
an organic compound an analysis : c=65%, h=3.5% n = 9.6% and o= 21.9% 0.3675 gm of the
Asked by blpradhanpradhan94137
1st June 2020
10:46 AM
Answered by Expert
NEET NEET Chemistry Some Basic Concepts in Chemistry
A compound of carbon, hydrogen and nitrogen contains elements in ratio 9:1:3.5. Its molecular mass is 108. What is the molecular formula?
Asked by abhishekverma0300
24th June 2020
6:32 AM
Answered by Expert
CBSE XI Science Chemistry Some Basic Concepts of Chemistry
hello sir, please explain the below two questions.
Asked by seeni2005
20th July 2020
8:18 PM
Answered by Expert
CBSE XI Science Chemistry Some Basic Concepts of Chemistry
are there easy ways to calculate the empirical formula and molecular formula of a compound? if asked in NEET to finish in less than a minute?
Asked by pereirajaison43
28th July 2020
9:03 PM
Answered by Expert
CBSE IX Chemistry Atoms and Molecules
write the molecular formula of alluminium oxide
Asked by biakpuia74
20th August 2020
5:38 PM
Answered by Expert
ICSE IX Chemistry Language of Chemistry
A molecular formula represents an element
Asked by cdiltaj
22nd September 2021
8:42 AM
Answered by Expert
CBSE IX Science Is Matter Around Us Pure?
Write the molecular formulae of all the compounds that can be formed by the combination of following ions: Mg2+ , Cl- , SO4 2- , PO4 3-
Asked by lkaausik
9th January 2022
8:28 AM
Answered by Expert
CBSE IX Chemistry Atoms and Molecules
the ratio by mass of nitrogen and hydrogen in ammonia is 14:3 . calculate the ratio by number of atoms of elements in ammonia molecule .
Asked by jiyajthakor
28th February 2022
7:03 PM
Answered by Expert
CBSE X Science Metals and Non-Metals
oxide of first group element
Asked by aryakaware02
20th January 2024
12:55 PM
Answered by Expert
