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.
- Question 44 of 47 A substance with a pH of 3 was mixed with methyl orange indicator. Which of the colours below did the indicator change to?
- Use the table below to work out the mass in grams of 1 mole of carbon dioxide. Enter your answer as a number Element & Relative atomic mass (Ar) mathrm(H) & 1 mathrm(C) & 12 mathrm(O) & 16 mathrm(Na) & 23 mathrm(Ca) & 40
- How many molecules are there in 6 g of H_(2) ? (Hint: the A_(r) of hydrogen is 1.) A 1.20times 10^24 B 1.81times 10^24 C 2.41times 10^24 6.02times 10^23
- Question 28 of 40 The element thallium is 70% thallium 1-205 and 30% thallium 1-203 Calculate its relative atomic mass. Give your answer to 4 significant figures. Enter your answer as a number
- 12 g of carbon contains 6.02times 10^23 atoms. Which expression is used to calculate the mass of one atom of carbon? Tick (v) one box. (12)/(6.02times 10^23) square (6.02times 10^23)/(12) 12times 6.02times 10^23 square