Chemical Equations

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Questions

• What is the chemical equation for photosynthesis?
• How can I know the relative number of grams of each substance used or produced with chemical equations?
• How can I know the relative number of moles of each substance with chemical equations?
• How do chemical equations illustrate that atoms are conserved?
• How can I know the formula of the reactants and products with chemical equations?
• How can I balance this chemical equations? Potassium metal and chlorine gas combine to form potassium chloride.
• How many types of chemical reactions exist?
• How can a chemical equation be made more informative?
• How can I balance this equation? ___ AlBr3 + ____ K2SO4 ---> ____ KBr + ____ Al2(SO4)3
• How can I balance this equation? ____ Pb(OH)2 + ____ HCl ---> ____ H2O + ____ PbCl2
• How can I balance this equation? ____ H2 + ____ O2 ---> ____ H2O
• How can I balance this equation? ____ N2 + ____ H2 ---> ____ NH3
• What are some examples of chemical equations?
• Question #acdf3
• What are the types of yield symbols in chemical equations?
• Is #X+Y=C+D# a correct chemical equation?
• Question #8e1f1
• Question #eec3c
• Can you write and balance the equation for the complete combustion of ethane, #C_2H_6#?
• When 2 moles of potassium chlorate crystals decompose to potassium chloride crystals and oxygen gas at constant temperature and pressure, 44.7 kJ are given off. What is the thermochemical equation?
• What is the overall equation for the reaction that produces #NaCl# and #O_2# from #Na_2O#?
• How do you write "Iron (III) chloride plus aluminum yields aluminum chloride and iron" in a chemical equation?
• Write the balanced molecular equation for each reaction and the net ionic equation?
• How do you write a chemical equation to represent "Gaseous ammonia reacts with gaseous oxygen to form gaseous nitrogen monoxide and gaseous water"?
• 2Al+Zn(NO3)2=2Al(NO3)3+Zn net ionic equation?
• Question #759d0
• Question #15286
• Question #9c5ae
• How do you write a balanced reaction for magnesium with hydrochloric acid?
• Question #c8170
• How do you write "calcium hydroxlde + phosphoric acid yield calcium phosphate + water"?
• How do you write an equation to represent "Carbon monoxide reacts with chlorine gas to form phosgene #(COCl_2)#"?
• How do you write an equation to represent "Azomethane (#C_2H_6N_2#) decomposes to form ethane (#C_2H_6#) and nitrogen gas"?
• How do you write an equation to represent "Calcium sulfite decomposes to form calcium oxide and sulfur dioxide"?
• How do you write an equation to represent "zinc reacts with copper (II) nitrate to form zinc nitrate and copper"?
• How do you write "calcium + nitrogen -> calcium nitride"?
• Question #855a1
• What is the chemical equation for the combustion of #C_3H_6#?
• What is the chemical equation for the overall process of cellular respiration?
• How do you write the complete equation for #C_10H_20(l) + O_2(g)#?
• What are subscripts used for in writing chemical equations?
• Question #eaed5
• What is the coefficient of #"O"_2# when the equation #"Mg"("ClO"_3)_2(s) -> "MgCl"_2(s)+"O"_2(g)# is balanced correctly using the smallest whole number coefficients?
• What is #"sulfur trioxide"#?
• What do you read the arrow in a chemical equation as meaning?
• If a molecule of carbon dioxide is involved in a chemical reaction, how is it represented in the chemical equation for the reaction?
• Question #afcec
• Complete the EQUATION:- NaOH (aq) + Na2SO4 (s) + Al (s) ----------> ?
• Will aluminum oxidize #"cupric ion"#?
• In the equation #2HI(l) -> H_2(g) + I_2(s)#, what are the reactants?
• How does zinc react with concentrated hydrochloric acid?
• What are the reactants in the reaction #2NO + 2CO -> N_2 + 2CO_2#?
• Question #bfa9a
• What does #CH_4# represent in the balanced chemical equation #C + 2H_2 -> CH_4#?
• Question #72baa
• Question #055a2
• Question #30599
• In the reaction #2Li(s) + 2H_2O(l) -> 2LiOH(aq) + H_2(g)#, what compound is in the gaseous state?
• What are the reactants in the equation #K_2SO_4 + PbI_2 -> PbSO_4 + 2KI#?
• What is produced in the equation #Li_2O(s) + H_2O(l) -> 2LiOH(aq)#?
• How do you write a balanced net ionic equation for the reaction of sulfurous acid with calcium hydroxide?
• What is the reaction between #CuCl_2#, and aluminum metal to give copper metal and #AlCl_3#?
• Nitric acid in acid rain forms when gaseous nitrogen dioxide pollutant reacts with gaseous oxygen and liquid water to form aqueous nitric acid. How do you write a balanced chemical equation for this reaction?
• Question #a2336
• Question #e1ac0
• What is the chemical formula for fire?
• What is the chemical formula for air?
• How do you complete and balance the following chemical equations?
• What is a balanced chemical equation? How would you use the law of conservation of mass to explain why a chemical equation must be balanced?
• How do you write the chemical equation for the reaction of carbonic acid (#H_2CO_3#) with water?
• How do you balance the chemical equation #H_2O#?
• When a hydrocarbon burns in air, what reactant besides the hydrocarbon is involved in the reaction?
• When heated, solid copper(II) carbonate decomposes to solid copper(II) oxide and carbon dioxide gas. What is the chemical equation (including phases) that describes this reaction?
• How do you write a balanced chemical equation for methane, #CH_4# reacting with oxygen gas to produce water and Carbon Dioxide?
• What does the symbol #Delta# in a chemical equation mean?
• How do you write a chemical formula for the following scenario: Nitric acid is a component of acid rain that forms when gaseous nitrogen dioxide pollutant reacts with gaseous oxygen and liquid water to form aqueous nitric acid?
• How do you write a balanced chemical equation for the fermentation of sucrose (#C_12H_22O_11#) by yeasts in which the aqueous sugar reacts with water to form aqueous ethyl alcohol (#C_2H_5OH#) and carbon dioxide gas?
• Write the balanced chemical equation for the reaction of the weak acid HCN with water. Include the phase of each species. How do you complete the Ka expression for this reaction?
• What is the chemical equation for burning wood?
• How do you explain chemical equations?
• How do you write chemical equations?
• How do you add chemical formulas?
• How do chemical equations work?
• How do you solve chemical formula?
• Can you explain balancing chemical equations in detail?
• How can a chemical equation be balanced?
• How are chemical equations balanced?
• How do you write a balanced chemical equation?
• Why do chemical equations have to be balanced?
• Why must chemical equations be balanced?
• How can a chemical equation be made more informative?
• How are chemical equations formed?
• How do chemical equations connect compounds?
• How do chemical equations for respiration and photosynthesis compare?
• Question #85625
• In a chemical equation, where do the reactants appear?
• What is an example of a balanced half reaction?
• In a chemical equation, what name does the left side have?
• What is a coefficient in a chemical equation?
• What is the equation for Calcium Carbonate?
• How do you write the chemical equation for the reaction of #NaHCO_3# with #HCl#?
• What term is defined as a molecule formed by bonding of two monosaccharides?
• Decomposing calcium carbonate yields calcium oxide and dioxide. What information is needed to calculate the mass of calcium oxide that can produced from 4.7 kg of calcium carbonate?
• How many grams of potassium chloride are produced if 25.0g of potassium chlorate decompose?
• How many molecules of ammonia are formed in the equation: #N_2 + 3H_2 → 2NH_3#?
• Question #97503
• What is the volume of 0.100 M sodium hydroxide needed to precipitate all of the nickel(II) ions from 150.0 mL of 0.250 M nickel(II) nitrate?
• Why is it incorrect to write a chemical formula for petrol?
• The hormone, thyroxine is secreted by the thyroid gland, and has the formula #C_15H_17NO_4I_4#. How many milligrams of iodine can be extracted from 15.0 grams of thyroxine?
• Give the formula of any Brǿnsted-Lowry acid and Write the chemical equation for the autoionization of water?
• How do you write the word equation and balanced symbol equation for a lithium reacting with water and zinc reacting with dilute hydrochloric acid?
• How do you solve this chemical equation: Propanone to 2-bromopropane using L, M and reagents in 3 step process?
• When writing a formula, why do the one's drop out?
• What does a parenthesis mean in a formula?
• How do you write a balanced equation for the complete combustion of #C_4H_8#?
• How do you write a balanced equation for the complete combustion of #C_3H_6O#?
• How is #"cuprous ion"# oxidized by bleach to give #"cupric ion"#?
• How do we know what occurs when dihydrogen reacts with dioxygen?
• What is sulfurous acid, and how does it relate to #SO_2#?
• In the chemical equation, how do the number of atoms of each element in the reactants compare to the number of atoms of each element in the products?
• Why does sodium metal have different properties than does sodium chloride?
• What occurs when magnesium chloride and sodium sulfate react in aqueous solution?
• Question #941cc
• Question #920b8
• What information does the chemical equation #2C_4 H _10+13O_2 -> 8CO_2 + 10H_2 O# provide?
• Question #e8c0a
• What is the chemical equation for aqueous sodium chloride and aqueous silver nitrate react to form solid silver chloride and aqueous sodium nitrate?
• How do you write the equation for this reaction: Potassium chloride and silver nitrate react to form potassium nitrate and silver chloride?
• Question #a9176
• How do you write out the equation for this reaction: Sodium phosphate reacts with calcium nitrate to produce sodium nitrate plus calcium phosphate?
• What is the equation for this reaction: Sulfuric acid decomposes to form sufur trioxide gas plus water?
• What are stoichiometric equations for the reaction of (i) zinc carbonate with sulfuric acid; (ii) calcium oxide with water; and (iii) calcium hydroxide with carbon dioxide?
• What is the equation for: Gaseous ammonia reacts with gaseous oxygen to form gaseous nitrogen monoxide and gaseous water?
• How many oxygen atoms are present on the reactant side of the chemical equation #4Fe + 3O_2 -> 2Fe_2O#?
• How would you write the equation for this reaction: excess potassium hydroxide solution is added to a solution of potassium dihydrogen phosphate?
• How do you write the equation for the following reaction: solid diphosphorus pentaoxide reacts with water to form phosphoric acid?
• What is the chemical equation for the following reaction: Solid titanium (V) oxide reacts with liquid water to produce titanium (V) hydroxide?
• What is the overall equation for the reaction which occurs when chlorine is bubbled into aqueous sulphur dioxide?
• What is the equation for solid potassium chloride and oxygen gas combine to form solid potassium chlorate?
• Question #8b019
• Getting chemical equations from word equations?
• The enthalpy associated with the formation of one mole quantities of calcium oxide, and carbon dioxide, from calcium carbonate is #+178*kJ#. How do we represent this reaction symbolically?
• What is the precipitate in the equation #2AgNO_3(aq) + Na_2S(aq) -> Ag_2S(s) + 2NaNO_3(aq)#?
• How would you find the net ionic equation of #"HCl" + "Zn" -> "H"_2 + "ZnCl"_2# ?
• What is the chemical equation for this reaction: Solid phosphorous, oxygen gas, and heat yield solid diphosphorous pentoxide?
• How do you write the equation for this reaction: Nitrogen gas and fluorine gas combine to produce nitrogen trifluoride gas?
• What is the chemical equation of potassium oxide and sulphuric acid?
• What are the products in the following reaction: #?Na_3PO_4(aq) + ?CaCl_2(aq) -> ?NaCl(aq) + ?Ca_3(PO_4)_2(s)#?
• How do you write and balance the chemical equation that relates to this word equation: Solid zinc carbonate is heated and broken down into solid zinc oxide and carbon dioxide gas?
• Is the formation of zinc chloride from its constituent elements an example of a redox reaction....?
• What do the bracketed symbols mean in a chemical/physical equation?
• How does conservation of mass, and conservation of charge apply in chemical reactions?
• Which equation is correctly balanced: #A.# #Al(s) + 3O_2(g) rarr Al_2O_3(s);# #B.# #Al(s) + 3O_2(g) rarr Al_2O_3(s);# #C.# #Al(s) + 3/2O_2(g) rarr Al_2O_3(s);# #D.# #2Al(s) + 3O_2(g) rarr 2Al_2O_3(s)?#
• Question #2bc34
• How do you write a balanced chemical equation for the combustion of #C_2H_2#?
• Question #74d24
• What is the chemical equation for the formation of HF from the single, isolated H and F atoms?
• Question #35031
• Question #358e2
• How do you write the equation that represents the formation of #HF(g)#?
• What occurs when carbonate ion is protonated?
• How many moles of #PCL_5# can be produced from 22.0 g of #P_4# (and excess #Cl_2)#?
• What is the equation for sodium and chlorine react to form sodium chloride?
• What is the stoichiometric equation for the formation of #SO_3#?
• How does magnesium react with hydrochloric acid?
• Write the balanced chemical equation for the following reactions. Then change each reaction to ionic form; finally to net ionic equations.? a. NaOH(aq) + HCl(aq) = b. Pb(C2H3O2)2(aq) + K2SO4(aq) = c. FeSO4(aq) + (NH4)2S(aq) = d. NaCl(aq) + KOH(aq) =
• Question #a594e
• What is the net ionic equation for formation of an aqueous solution of #NiI_2# accompanied by evolution of #CO_2# gas and water via mixing solid #NiCO_3# and aqueous hydriodic acid?
• Question #883ac
• What is the net ionic equation for the reaction of copper(II) ion with iron?
• How would I write an ionic equation to show the formation of ions from sulfur, calcium and arsenic?
• What are chemical equations?
• In chemical equations, what numbers often appear in front of a chemical formula?
• Question #1a284
• What is the difference between reagents and reactants?
• How hydrochloric acid reduce #PbCl_4# to lead metal, and oxidize chloride to chlorine gas?
• How do you write the formation equation for (i) #CH_3COOH# and (ii) #NaHS#?
• What is the equation for this reaction: Potassium permanganate reacts with aluminum sulfate to produce potassium sulfate and aluminum permanganate?
• What reaction occurs between water and magnesium metal?
• What is the net ionic equation for the reaction between lead nitrate and sodium chloride?
• What are the word and symbol equations for the oxidation of magnesium metal by sulfuric acid?
• Question #c695a
• How would we represent the reaction of magnesium oxide with dihydrogen gas?
• How many grams of silver chromate will precipitate when 150. mL of 0.500 M silver nitrate are added to 100. mL of 0.400 M potassium chromate?
• Question #b292b
• What is the word equation for the reaction that takes place between sodium hydroxid and copper sulphate solutions?
• What are the substances that are on the left side of a chemical equation?
• What rules underlie the writing of chemical equations?
• What is true of all chemical equations?
• What is the net ionic equation for the reaction between sodium carbonate, and zinc nitrate?
• How do calcium ion and phosphate ion react in water?
• What is the ionic concentrations of Ag+ and CrO4^-2 in a saturated solution of Ag2CrO4 at 25C? Ksp of Ag2CrO4 is 1.9x10^-12 mole^3/dm^9?
• In a chemical reaction, what is the number directly before each reactant, and each product?
• What is the chemical equation for the neutralization of nitric acid, #HNO_3#, with magnesium hydroxide, #Mg(OH)_2#, first with spectator ions and then without spectator ions?
• Question #bee3f
• How would we represent the formation of caesium bromide?
• What is the equation for aluminum bromide plus chlorine gas yields aluminum chloride and bromine gas?
• What is the formula equation for methane (#CH_4#) is ignited with oxygen, resulting in carbon dioxide and water?
• What is the equation for formation of dipeptide?
• How do chemical equations represent conservation of mass?
• What is the word equation for lithium oxide being formed from the reaction between oxygen and lithium?
• Question #7dae5
• Question #a2c32
• What are the word and balanced chemical equations for the reactions between sodium carbonate and nitric acid?
• What is #"carbonic acid"#?
• What do we call the number that appears in front of reagents and products in the stoichiometric equation?
• How is the complete combustion of hexanes represented in a chemical reaction?
• How do you write a net ionic equation? Show an example please.
• Question #5ae58
• How do I predict the products, identify the spectator ion, and write the net ionic equation for the following: #H_3PO_4(aq)+3NaOH(aq)-># ?
• How does magnesium react with water?
• Question #3a62e
• What are the products when calcium carbonate and acetic acid react?
• What is the reaction of #"CO"_2(g)# with #"Ca"("OH")_2(aq)#?
• Question #c78ac
• What are the products when sulfuric acid reacts with calcium carbonate?
• Question #98fdb
• Question #765b5
• What is the equation for the reaction of tetraphosphorous decaoxide and water and react together and form phosphoric acid?
• What is the equation for this reaction: Sodium bicarbonate and sulfuric acid react to form sodium sulfate, water, and carbon dioxide?
• Which statement below concerning molecular, complete ionic, and net ionic equations, is true?
• What is the first step in forming #"CFC"#'s from #"CF"_3"Br"#?
• What is the number you place to the left of the formula for a substance taking part in a reaction?
• What is the best way to balance chemical equations?
• Question #7792a
• What is the molecular, ionic and net ionic equations for solid sodium bicarbonate plus nitric acid?
• What are the molecular, ionic, and net ionic equations for the reaction of acetic acid #"HC"_2"H"_3"O"_2# with potassium hydroxide?
• Question #7f381
• How to complete this reaction? HNO3 + H2O ?
• Question #f8f8f
• How would #"ferric sulfate"#, and #"potassium permanganate"# interact?
• How would we represent the combustion of paper?
• Question #ddd88
• How do you know how to...?
• When 20H combine with another 2OH would it form oh subscript 4?
• Represent the combustion of carbon?
• What products are obtained when barium chloride reacts with water?
• What type of equation is #4C_5H_9O + 27O_2 -> 20CO_2 + 18H_2O#?
• What is the chemical equation for pure uranium being obtained by reacting uranium (IV) chloride with magnesium?
• Ammonium chloride and sodium oxide are mixed in a boiling tube and then heated. Write balanced equation based on the chemical reaction described. State the chemical test if necessary?
• Question #363c8
• What halide salts are insoluble?
• Question #cfd9b
• How would you write the dissociation equation of Magnesium Ethonate?
• How do you represent the reduction of nitrogen to give ammonia?
• The thallium (present as #Tl_2SO_4#) in a #9.486# g pesticide sample was precipitated as Thallium(I) iodide. Calculate the mass percent of #Tl_2SO_4# in the sample if #0.1824# g of #TlI# was recovered?
• What are the spectator ions in #Na^+ + OH^- + H^+ + Cl^- -> H_2O + Na^+ + Cl#?
• Can you explain the combustion of #1*mol# of ethyl alcohol in terms of mass and energy?
• What effect will increased carbon dioxide concentrations in the atmosphere likely have on ocean acidity?
• Is there a technique to determine the chemical formula of an ionic compound?
• Question #b65fa
• Write the chemical equations for these word reactions?
• How do we represent the formation of copper carbonate from copper chloride and sodium carbonate?
• Question #65477
• Why are unbalanced equations important?