Complete the table below by deciding whether a precipitate forms when aqueous solutions A and B are mixed. If a precipitate will form, enter its empirical ormula in the last column. solution A ammonium sulfide potassium iodide sodium hydroxide solution B copper(11) bromide lead(11) nitrate iron(11) chloride Does a precipitate form when A and B are mixed? Oyes no O yes no O yes no empirical formula of precipitate 0 0 0 X 2 3

(5.5, 5.7 & 5.8) Classify the following reaction. Ba(NO3)2(aq) + K₂SO4(aq) --> O acid-base reaction O gas-forming reaction O decomposition reaction O precipitation reaction

The Following information determine how much product can be produced form the giver quanities.  Ca(IO3)2 (aq) +     Na2SO4(aq) → CaSO4(aq) + NaIO3(aq) Given:        120 g       100  g

Write out the nuclear energy configuration (energy configuration of protons and neutrons in the nucleus, nuclear orbitals) of Calcium-40 and use it to explain why Ca-40 is an exceptionally stable and the most common isotope of Ca.

MN IN C. B. H. K. %3D R. P. 96. 5. 4. 08. 7. 23 %24 > MacBook Pro O CẠH12N O C4H12N2 NÓH®ƆO O CGH16N2 molecular formula? A 115.95 g of a sample is found to contain 71.95 g C, 16.13 g H, and 27.87 g N. If the mw is 116.21 g/mol, then what is its 20 of 20

The metal has a molar mass of 206.77 gmol and crystallizes in a body centered lattice and has a density of 14.1 gcm3. The edge length of this cube is ​ [word1] pm.   (1 pm = 1 x 10-10 cm)

Riccardo states that the process of iron reacting with sulfur to produce iron(II) sulfide according to 16Fe + 3S8 = 8Fe2S3 16.00g of iron will react will 3.00 g of sulfur in the reaction. Do agree or disagree with this statement. Please explain.

Cu+A12(SO4)3

3) A mineral of calcium with the formula CaCO3¤Ca(OH)2 was analyzed by heating in a crucible, and the following data was collected: Mass of empty crucible Mass of crucible and sample Mass of crucible + CaO (final heating) 23.45 g 26.12 g 25.18 g Mass of CaO: Mass of Ca in CaO (exp.): Show calculations below: % of Ca in mineral sample (exp.):