06:23Balancing Chemical Equations Step by Step Practice Problems | How to Pass ChemistryMelissa Maribel825views1rank
05:01How to Balance Chemical Equations in 5 Easy Steps: Balancing Equations TutorialWayne Breslyn1648views
Open QuestionDetermine the total sum of the coefficients after balancing the following equation.___ C2H5SH (g) + ___ O2 (g) → ___ CO2 (g) + ___ H2O (l) + ___ SO2 (g)1088views18rank6comments
Multiple ChoiceWhen the following equation is balanced, what is the coefficient in front of H2O? ___ Ba(OH)2 + ___ H3PO4 → ___ H2O + ___ Ba3(PO4)2427views
Multiple ChoiceIn the following equation what is the mole ratio of NaOH to H2O, respectively? ___NaOH (aq) + ___ H3PO4(aq) → ___ H2O(l) + ___ Na3PO4(aq)353views
Open QuestionWrite the balanced equation for the following by inserting the correct coefficients in the blanks.___ Al4C3 (s) + ___ H2O (l) → ___ Al2O3 (s) + ___ CH4 (g)747views19rank1comments
Multiple ChoiceDetermine the balanced chemical equation when ethanol, C2H6O is ignited in the presence of air.350views2comments
Open QuestionFor each molecule of C4H8 that reacts, how many molecules of carbon dioxide and water are produced?228views
Open QuestionFor the following balanced equation, which has the highest coefficient? 4 H2 + 2 C → 2 CH4237views
Open QuestionWrite a balanced equation to show the reaction of aqueous aluminum acetate with aqueous ammonium phosphate to form solid aluminum phosphate and aqueous ammonium acetate.193views
Open QuestionEnter a balanced chemical equation for the reaction of solid potassium with liquid water.191views
Open QuestionWhen aluminum, Al, metal is dipped in an aqueous solution of hydrochloric acid, HCl, hydrogen gas, H2, is produced with the formation of an aluminum chloride, AlCl3, solution. Write the balanced chemical equation showing the phases of reactants and products.295views
Open QuestionWrite a balanced chemical equation based on the following description: nitrogen gas and oxygen gas react to produce nitrogen monoxide gas196views
Open QuestionThe figure (figure 1) shows the reaction of element a (lavender spheres) with element b (tan spheres). write the balanced chemical equation for this reaction in terms of a and b.360views
Open QuestionWhat is the coefficient in front of the no when the equation below is balanced? NH3(g) + O2(g) → NO(g) + H2O(g)251views
Open QuestionWrite a balanced chemical equation based on the following description: propanol, C3H7OH(l) burns in air to produce gaseous carbon dioxide and water vapor199views
Open QuestionWrite a balanced equation to show the reaction of gaseous ethane with gaseous oxygen to form carbon monoxide gas and water vapor.202views
Open QuestionSolid iron(iii) oxide reacts with hydrogen gas to form solid iron and liquid water.377views
Open QuestionWhen iron rusts, solid iron reacts with gaseous oxygen to form solid iron(iii) oxide.295views
Open QuestionLiquid octane reacts with oxygen gas to form carbon dioxide gas and water vapor.302views
Open QuestionGaseous carbon monoxide reacts with hydrogen gas to form gaseous methane (ch4) and liquid water.751views
Open QuestionSolid aluminum sulfide reacts with water to form solid aluminum hydroxide and gaseous hydrogen sulfide.572views
Open QuestionHow many moles of o2 are in the chemical equation when balanced using the lowest whole numbers?315views
Open QuestionWhich coefficient of O2 is needed to balance the equation C3H8 + O2 → 3 CO2 + 4 H2O?198views
Open QuestionWhich are the products in the equation CH3SH + 4 O2 → CO2 + SO2 + 2 H2O? Check all that apply.228views
Open QuestionBased on your experience in the simulation, what do the numbers 3 and 4 refer to in 3 NH4?212views
Open QuestionThe equilibrium system between hydrogen gas, bromine gas, and hydrogen bromide gas is given.170views
Open QuestionWhen H2SO4 is neutralized by NaOH in aqueous solution, the net ionic equation is ________.173views
Open QuestionWrite a balanced ionic equation for this acid-base reaction: Ca(OH)2(aq) + 2 CH3CO2H(aq) →228views
Open QuestionHow does a balanced chemical equation show that mass is never lost or gained in a chemical reaction?228views
Open QuestionHow do you use the coefficient to calculate the number of atoms in each molecule194views
Open QuestionWhich of the following balanced equations correctly represents the dissociation of K2SO4 in water?196views
Open QuestionHow does a chemical equation show that matter is always conserved in a chemical reaction?181views
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