Chemistry Homework Assistance
QuestionAI's chemistry problem solver is a middle school chemistry tutoring tool that summarises key chemical reactions and equations in real-time, featuring a robust learning system to empower even those with a weak foundation in chemistry.
You needn't fret over the elemental properties of the periodic table anymore. Here, you can effortlessly access chemical reactions and reaction principles corresponding to each element. Deductive reasoning from microscopic phenomena to discern the original structure of molecules and atoms is a research technique we staunchly champion.
- Gary hypothesised that the temperature of the water affects how much salt dissolves in it. What is the independent variable in this experiment? volume of water temperature of the salt before it dissovles temperature of the water amount of salt that dissolves
- Which of these are chemicals found in cigarette smoke? Select all correct answers Tar Nitrous oxide Nicotine Sulfuric acid Carbon monoxide Ethanol
- (ii) Describe what happerm at the negative electrode. __ (iii) Complete the half equation for the reaction at the positive electrode. arrow Cl_(2)+ Magnesium can be produced from magnesium oxide. The equation for the reaction is: Si(s)+2MgO(s)arrow SiO_(2)(s)+2Mg(g) (i) How can you tell from the equation that the reaction is done at a high temperature? __ (iii) A company made magnesium using this reaction. Calculate the mass of magnesium oxide needed to produce 1.2 tonnes magnesium. Relative atomic masses (A):O=16:Mg=24 __ Mass of magnesium oxide needed = __ tonne
- Is rusting a fast reaction or a slow reaction? slow reaction fastreasion
- When copper corbonate is heated, it forms copper oxide and carbon dioxide. What is the name of this type of reaction? Enter your answer copper carbonate arrow copper oxide + carbon dioxide