thermal decomposition of carbonate ores produces metal oxide, which is reduced to metal. practise questions on chemical equation q1: how to balance chemical equations? q2: identify the type of chemical reaction: (i) a→ b + c (ii) ab + cd → ad + cb q3: what is observed when a ...
The shortcut techniques and step-by-step explanation of each important question enable you to quickly revise all the topics and equations covered in the chapter. Our subject matter experts have prepared these important questions and answers by closely referencing theNEET previous year question papers....
The Chemical Equation Module (CEM) allows students to enter chemical formulas as well as partial or complete chemical equations. The screenshot below shows an example of a CEM question. The CEM is highlighted by the arrow. The CEM consists of two main areas: the CEM toolbar (dark gray) an...
Complete the following chemical equations : (i)SO2+MnO−4+H2O→ (ii)F2(g)+H2O(l)→ View Solution Complete the following chemical reaction equations : (i)MnO−4(aq)+C2O2−4(aq)+H+(aq)→ (ii)Cr2O2−7(aq)+Fe2+(aq)+H+(aq)→ ...
Talk about the current state of Chemical Education. If you need to make an important decision regarding your chemical future and want to know your options, then this is the place to post. 4841 Posts 863 Topics Last postbyIncitatus inRe: Essential tremor in ... ...
What is the law requiring chemical equations to be balanced? What happens in a chemical reaction? What is the chemical equation for sodium bicarbonate? Why is it important to balance a chemical equation? Write the chemical equation for the word equation below and determine the type of reaction ...
This quiz and corresponding worksheet can be used to assess your knowledge of dynamic and chemical equilibrium. Topics you will need to know to pass the quiz include reversible reactions and equilibrium equations. Quiz & Worksheet Goals Use this worksheet/quiz to help you: ...
Write the balanced net ionic equations for zinc metal added to a solution of hydrochloric acid. Write the balanced chemical equation for each of these reactions. Include phases. \\ A. When aqueous sodium hydroxide is added to a solution ...
Use Hess's law to calculate the enthalpy change for the reaction: 3C(s) + 3H_2(g) yield C_3H_6(g). Given the following thermochemical equations: 2C_3H_6(g) + 9O_2(g) yield 6CO_2(g) + 6H_2O(l), enthalp Use Hess's law and the fol...
Why are chemical equations balanced? Explain at the atomic level. What gives an element its characteristics? Why do bromine and iodide have similar chemical properties? What are the families of elements with similar chemical properties called?