Concept explainers
Balance each of the following chemical equations:
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Basic Chemistry
- 3.18 Diborane and related compounds were proposed as rocket fuels in the 1950s. A representative reaction for this class of molecules is that of B2H6 and O2 to form B2O3 and H2O. Write the balanced chemical equation for this process.arrow_forward3.87 Nitric acid (HNO3) can be produced by the reaction of ni- trogen dioxide (NO2) and water. Nitric oxide (NO) is also formed as a product. Write a balanced chemical equation for this reaction.arrow_forward4.21 Ammonium nitrate, NH4NO3, will decompose explosively to form N2, O2, and H2O, a fact that has been exploited in terrorist bombings. What mass of nitrogen is formed by the decomposition of 2.6 kg of ammonium nitrate?arrow_forward
- 3.91 Hydrogen cyanide (HCN) is extremely toxic, but it is used in the production of several important plastics. In the most common method for producing HCN, ammonia (NH3) and methane (CH4) react with oxygen (O2) to give HCN and water. Write a balanced chemical equation for this reaction. Hydrogen cyanide, HCNarrow_forwardWhat amount (moles) of compound is present in 1.00 g of each of the compounds in Exercise 52?arrow_forwardThe sugar sucrose, which is present in many fruits and vegetables, reacts in the presence of certain yeast enzymes to produce ethanol and carbon dioxide gas. Balance the following equation for this reaction of sucrose. C12H22O11(aq) + H2O(l) C2H5OH(aq) + CO2(g)arrow_forward
- 4.9 Sulfur, S8, combines with oxygen at elevated temperatures to form sulfur dioxide. (a) Write a balanced chemical equation for this reaction. (b) If 200 oxygen molecules are used up in this reaction, how many sulfur molecules react? (c) How many sulfur dioxide molecules are formed in part (b)?arrow_forward3.90 Pyrrole has the molecular formula C4H5N. When pyrrole reacts with O2, the products are CO2, H2O, and N2. Write a balanced equation for this reaction.arrow_forwardBalance the following equations: (a) for the synthesis of urea, a common fertilizer CO2(g) + NH3(g) NH2CONH2(s) + H2O() (b) for the reactions used to make uranium(V1) fluoride for the enrichment of natural uranium UO2(s) + HF(aq) UF4(s) + H2O() UF4(s) + F2(g) UF6(s) (c) for the reaction to make titanium() chloride, which is then converted to titanium metal TiO2(s) + C12(g) + C(s) Ti(s) + CO(g) TiC14() + Mg(s) Ti(s) + MgC12(s)arrow_forward
- Give the balanced equation for each of the following chemical reactions: a. Glucose (C6H12O6) reacts with oxygen gas to produce gaseous carbon dioxide and water vapor. b. Solid iron(III) sulfide reacts with gaseous hydrogen chloride to form solid iron(III) chloride and hydrogen sulfide gas. c. Carbon disulfide liquid reacts with ammonia gas to produce hydrogen sulfide gas and solid ammonium thiocyanate (NH4SCN).arrow_forward4.106 An ore sample with a mass of 670 kg contains 27.7% magnesium carbonate, MgCO3. If all of the magnesium carbonate in this ore sample is decomposed to form carbon dioxide, describe how to determine what mass of CO2 is evolved during the process.arrow_forwardAluminum metal reacts with sulfuric acid, H2SO4, to yield aluminum sulfate and hydrogen gas. Calculate the mass of aluminum metal needed to produce 13.2 g hydrogen.arrow_forward
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