Having minor homework questions or simply want to make sure your homework answers are correct? Then use our free service to get quick answers to your homework questions in mathematics, physics, programming, economics, chemistry and biology. We already have a database of multiple homework questions and answers you can look through . If you can’t find the solutions to your homework problems, then post your homework questions and find a well-formulated answer from a professional within a very short timeframe.
Please save your time and DO NOT send us your full assignments or not precise, well stated questions in mathematics, physics, programming, economics, chemistry or biology as they will be ignored. In this section we can answer only your short questions of qualitative, primary theoretical nature (for FREE!). Use filters to display the questions to a particular subject or section. By entering your e-mail in the box "Search" you can browse the questions posted exclusively by you. Do not worry if you cannot find your question in the list after it has been submitted; every question is being checked by a moderator and appears in the list only after its approval.
Hello. Using a formula to determine the unknown concentration of the redox titration, how?
a)One reaction that produces hydrogen gas can
be represented by the unbalanced chemical
equation Mg(s) + HCl(aq) −→ MgCl2(aq) + H2(g)
What mass of HCl is consumed by the reaction of 1.69 mol
of magnesium? Answer in units of g
b)What mass of MgCL2 is produced? answer in units of g
c)what mass of H2 is produced? answer in units of g
a)If 7.31 moles of Ethane(C2H6) undergoes combustion according to the unbalanced equation C2H6+O2->CO2+H20, how much oxygen is required? Answer in units of mol.
b)How much CO2 is formed? Answer in units of mol.
c)How much H2O is formed? answer in units of mol.