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.

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

0 1 2 Name an indicator that could be used to test if the solution is acidic. Give the result of the test. [2 marks] __ Result Question 1 continues on the next page

An experiment is planned to record the change in pH as a powdered base is added to 50cm^3 dilute hydrochloric acid The method suggested is step 1 add dilute hydrochloric acid up to the 50cm^3 mark on a beaker; step 2 add one spatula of the base and stir; step 3 measure the pH of the mixture; step 4 repeat steps 2 and 3 until the pH stops changing. (i) State how you could change the method so that the amounts of dilute hydrochloric acid and of the base can be measured more accurately. dilute hydrochloric acid __ base __