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.
- whilig and Balancing Chlemical equations Pre-Test The chemical equation for the formation of ammonia is unbalanced. 3H_(2)(g)+N_(2)(g)arrow NH_(3)(g) If three molecules of hydrogen react with one molecule of nitrogen, how many molecules of ammonia would be formed? 1 2 () 3 4 Active 6 TIME 51:58
- (b) (i) State the name of the compound below. square ^square CH_(3) Paper Two (ii) Complete the c conversion below and the state the names of the products A, B an C. (final) and ....... Hence, state the name of the major product. (d) (i) Define arenes. (ii) Draw the structures of the following compounds; (I) (Trans)-1- phenylpropene. (1 Mark) (II) 3-phenyl-1-propene. (iii) Complete the following conversion. my my (2 Marks) 3. (a) Draw the structures of the following compounds; (i) 9,10- dihydrophenanthrene (ii) Anthracene (iii) 9,10-anthraquionone (6 Marks) (1 Mark)
- Boron has an average atomic mass of 10.81. One isotope of boron has a mass of 10.012938 and relative abundance of 19.80% . The other isotope has a relative abundance of 80.20% . What is the mass of that isotope? Report to two decimal places. square amu DONE
- In the previous task, you calculated the values for the hydrate mathrm(FeSO)_(4) cdot 7 mathrm(H)_(2) mathrm(O) , shown in the chart below. Using this information, answer the following questions. Type in the answers using one decimal place. M.M. mathrm(FeSO)_(4) & M.M. 7 mathrm(H)_(2) mathrm(O) & M.M. mathrm(FeSO)_(4) cdot 7 mathrm(H)_(2) mathrm(O) 151.92 mathrm(~g) / mathrm(mol) & 126.14 mathrm(~g) / mathrm(mol) & 278.06 mathrm(~g) / mathrm(mol) What is the percent by mass of water in the hydrate? square % What is the percent by mass of the anhydrous salt, mathrm(FeSO)_(4) , in the hydrate? square %
- CARBON DIOXIDE gas makes up approximately 0.04% of the ATMOSPHERE. It has the formula __ C_(2)O C_(2)O_(2) CO_(2) co