NO2- +  ClO3- Water appears in the balanced equation as a fill in the blank 5 (reactant, product, neither) with a coefficient of . (Enter 0 for neither.) How many electrons are transferred

The actual yield can only be determined by: 8°F Mostly cloudy O Writing a balanced equation. O Calculating the theoretical yield and plugging into the percent yield. O Reviewing past reactions. O Carrying out the reaction in a laboratory. O Search H

CHEMICAL Zn (s) ASH3 (g) Zn2* (aq) REACTION: H3ASO4 (aq) + (in acidic solution) Red Separate into ½ reactions Ох Balance elements (except O and H) Add H20 to balance O Add H* to balance H Add e to balance charges Multiply 2 reactions to yield equal number of e Combine 2 reactions Simplify Check for balanced Reactants Products atoms AND charges

balance this chemical reaction    _____-  C2H4O +      _____   O →         ______C2H4O2

Calculate the % yield for problem number 9 if only 500.0 g of NBr3 are actually made from 525 g Br2  N2   +   3 Br2   →   2 NBr3   +   44.0 kJ                                  actual yield                  ______________  g NBr3 % yield = ------------------------ 100 =-------------------------- 100 =  _____________  %                  theoretical yield             ________________  g NBr3

Write the total ionic equation for the decomposition of a solid of zinc chlorate when is heated. Note: you need to predict the products fırst.

Translate each word equation into a balanced chemical euqation, including phyical states for all reactants and products. a) silver nitrate + sodium chloride → silver chloride + sodium nitrate  b) siler nitrate + calcuium chloride → sliver chloride + calcium nitrate  c) hydrochoric acid + sodium hydroxide → water + sodium chloride

Write a balanced equation for the complete combustion of butane, C¸H10. Phases are optional. equation:

Balance the following unbalanced chemical equation showing the combustion of methane. _______ CH4 + ________ O2 --> _________ CO2 + _________ H2O

Balance Moleculare Equations using appropriate state symbols and complete the ionic equation a.AgNO3 (aq) +  CaCl2 (aq) --> b.  NaNO3 (     ) +   KCl (     ) ---> c. Ni(NO3)2 (     ) +   K3PO4 (     ) -->