Top answers

Chemistry
All levels

describe advantages and disadvantages of using hydrogen instead of fossil fuels

advantages: . combustion only leads to water production, no pollutants . no carbon dioxide, so no greenhouse gases . no sulfur dioxide so no acid rain . releases more energy so more efficent . renewable d...

Answered by William T. Chemistry tutor
3443 Views

How do you name this hydrocarbon?

So to mention anything about hydrocarbons, you first have to find the longest chain of carbons in the molecule! It doesn't have to be straight - it can be bent, or turn in a circle or anything like that! ...

Answered by Scott M. Chemistry tutor
3131 Views

a sample of hydrated NiSO4 witha mass of 4.414g is heated to remove all water crystallisation. The resultant mass is 2.287g. How many H2O molecules to each NiSO4 were there in the original sample

Mr of NiSO4 is 154.8 g/mol Mr of H2O is 18

Mass of NiSO4 in sample is 2.287 g Mass of H2O in sample is 4.414-2.287 = 2.127g

divide mass of each of NiSO4 and H2O by Mr to obtain the ratio in ...

Answered by Calum S. Chemistry tutor
2565 Views

NaOH + HCl --> ____ + ___

NaOH + HCl --> NaCl + H2O

This is a typical acid-base reaction. The general formula for these reactions are Acid + Base --> Salt + Water. The metal in the base and the non-metal in the acid r...

Answered by Hannah R. Chemistry tutor
13861 Views

Which are the principles and application of IR spectroscopy

IR spectroscopy is a technique that can be employed for both quantitative and qualitative analysis. It is based upon the interaction between electromagnetic waves and compounds. However while the UV waves...

Answered by Benedetta M. Chemistry tutor
1847 Views

We're here to help

contact us iconContact usWhatsapp logoMessage us on Whatsapptelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo
Cookie Preferences