8 Answered Questions for the topic Chemisrty



Explain the electrolysis of molten magnesium chloride. (6 marks)

I have a mock exam tomorrow and would really appreciate if someone could help with this question I am struggling with (to get full marks)


what is the difference between saturated and unsaturated hydrocarbon

please help me i am unable to get the solution


the reaction of 1.462 mol CaCl2 with 2.010 mol Na2CO3 will theoretically produce how many moles of CaCO3?

I am given moles and I always set the problem up wrong to find the moles of the product.


The half-life of the radioisotope carbon-14 is 5730 years. How much C-14 will be left after 3 half-lives, if the initial amount is 100.0 g?

I need help with this research question.


Calculating Enthalpy in a Calorimeter Experiment

When 25.0 mL of 1.0 M H2SO4 is added to 50.0mL of 1.0M of NaOH at 25.0 degrees C in a calorimeter, the temperature of the aqueous solution increases to 33.9 degrees C. Assuming that the specific... more
Chemisrty Chemistry


what is a secondary carbon?

Im not 100% sure of what is a secondary carbon or how i can identify one. the question was which of the following molecules are made up of only secondary carbons toluene 1,2... more

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