Chemical Equations - Page 5
Questions
- 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?
- 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 do you write an equation to represent "zinc reacts with copper (II) nitrate to form zinc nitrate and copper"?
- 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?
- How do you write the equation that represents the formation of #HF(g)#?
- How can I balance this equation? ____ N2 + ____ H2 ---> ____ NH3
- Will aluminum oxidize #"cupric ion"#?
- What are the reactants in the equation #K_2SO_4 + PbI_2 -> PbSO_4 + 2KI#?
- How would I write an ionic equation to show the formation of ions from sulfur, calcium and arsenic?
- What is the overall equation for the reaction that produces #NaCl# and #O_2# from #Na_2O#?
- What is the formula equation for methane (#CH_4#) is ignited with oxygen, resulting in carbon dioxide and water?
- How do calcium ion and phosphate ion react in water?
- How do you write chemical equations?
- Give the formula of any Brǿnsted-Lowry acid and Write the chemical equation for the autoionization of water?
- What is the chemical equation for burning wood?
- What are the substances that are on the left side of a chemical equation?
- In chemical equations, what numbers often appear in front of a chemical formula?
- How do you write a balanced reaction for magnesium with hydrochloric acid?
- Consider the reaction when aqueous solutions of lead(II) acetate and chromium(III) bromide are combined. The net ionic equation for this reaction is:?
- Why do chemical equations have to be balanced?