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.

1. (a) State the two quantities that must be measured to establish the rate of a chemical reaction and cite several factors that affect the rate of a chemical formation of N_(2) are (b) Explain why the rate of disappearance of NO not the same in the reaction. 2CO(g)+2NO_((g))arrow 2CO_(2(g))+N_(2(g)) and the rate of marks) (2 marks) (c) In a reaction mechanism: (i) what is the difference between an activated complex and an intermediate (ii) rate determining step and rate of reaction (4 marks)

If 2.2 g of chemical A is used, how much of chemical B is needed? Give your answer in grams (g). Mass of chemical B against chemical A

Last Answered 5/5/24 Here are four steps in conducting a CHROMATOGRAPHY experiment. Which happens SECOND? OBSERVE the patterns created by the dyes Add dots of DYE (e.g. ink, plant pigment etc) to the paper on the PENCIL LINE SUSPEND the paper in an appropriate SOLVENT so that the bottom JUST TOUCHES the surface (but the pencil line and dots are clear of it) Draw a PENCIL LINE an inch above the bottom of a piece of FILTER PAPER

To produce PURE SALT from ROCK SALT, we need to take it through several processes, including THREE listed here. Which ONE is NOT REQUIRED for this process? Filtration Evaporation Distillation Dissolving

Complete the following statement: __ would be the most suitable method for separating and obtaining __ from salt water. 1: distillation; 2 water 1: distillation; 2: rocks 1: evaporation; 2 rocks 1. evaporation; 2 water