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.
- Why must we balance chemical equations?
- A student is investigating temperature changes in reactions involving acids. Name a piece of equipment they could use to measure out a set volume of acid. Enteranswer
- (Total 11 marks) Q10. This question is about the reaction between sodium thiosulfate solution and hydrochloric acid. The equation for the reaction is: Na_(2)S_(2)O_(3)(aq)+2HCl(aq)arrow 2NaCl(aq)+H_(2)O(l)+SO_(2)(g)+S(s) (a) The mass of the conical flask and contents was greater at the start of the reaction than at the end. Explain why. __
- How many moles are present in 10.0 grams of sodium hydroxide (NaOH)? __ moles Your answer should be rounded to the nearest hundredth. Do not include units in your answer.
- An __ is a single negatively charged sub-atomic particle found in the shells of an atom