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Chemistry
All levels

What are the properties of ionic compounds?

Crystalline solids at rtphigh mp and bpoften soluble in waterconduct electricity when dissolved in water or molten

EM
Answered by Elena M. Chemistry tutor
2059 Views

A) Write a balanced equation for the reaction of Calcium metal with water B) If I react 3 g of Calcium metal, what number of moles do I have?

Reactions and trends of group 1 and 2 metals are common questions asked at GCSE- Ca + 2 H2O ==> Ca(OH)2 + H2This reaction will be exothermic and happen slowly in cold w...

WS
Answered by Willow S. Chemistry tutor
4257 Views

Describe how propenal, propanal and propanone can be distinguished from one another by simple chemical tests.

Propenal can be distinguished by adding bromine water, as it will go from a orange/brown solution to a colourless solution due to electrophilic addition. Propanal can be distingiushed from propanone by us...

NA
Answered by Nathan A. Chemistry tutor
10467 Views

What is the difference between complete and incomplete combustion of a hydrocarbon?

In complete combustion, there is a sufficient supply of oxygen which is able to react with the burning hydrocarbon allowing the reaction products H2O and CO2 to be formed.
In in...

EM
Answered by Ellen M. Chemistry tutor
19594 Views

20kg of ammonium nitrate is made from ammonia and nitric acid, what mass of ammonia was used?

The given equation is - NH3 + HNO3 --> NH4NO3
Equation to use - Moles = Mass/RFM
RFM of ammonium nitrate = 14 + 4 + 14 + (3x16) = 80
20kg = 2...

JS
7953 Views

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