52. Is each chemical equation correctly balanced? If not, correct it. (a) SiO2(s) + 4 HF(aq)...
Determine which of the following chemical equations are correctly balanced. Fe2O3(s)+CO(g)→2Fe(s)+CO2(g) Al2S3(s)+H2O(l)→2Al(OH)3(s)+3H2S(g) 2Cr(s)+3O2(g)→Cr2O3(s) SiO2(s)+4HF(aq)→SiF4(g)+2H2O(l)
Balance the chemical equations. Express your answer as a chemical equation. Fe2O3(s)+CO(g)→2Fe(s)+CO2(g) Al2S3(s)+H2O(l)→2Al(OH)3(s)+3H2S(g) 2Cr(s)+3O2(g)→Cr2O3(s)
Hydrofluoric acid dissolves glass by reacting with silica as shown in this balanced chemical equation. SiO2 + 4 HF → SiF4 + 2 H2O If 15.75 g SiO2 (molar mass = 60.08 g/mol) and 18.25 g HF (molar mass = 20.01 g/mol) are combined, how many grams of SiF4 (molar mass = 104.1 g/mol) could be produced? How many grams of SiO2 AND how many grams of HF will remain when the reaction is complete? If 16.39 g SiF4 were...
Balancing Equations Balance the following chemical equations. Sicla(l)+ SiO (s)HCl(aq) 2. As 3 NaOH NaOH H2 3. Ha Au + н,s но-> voC+ H20 5. -Hg(OH)2 + H3PO4 H20 SiO2 + HF→ SiF4 + -ho 7. 2 Zn Ha → ZnClz + H2 8. HCIO4 02(g)HO HNOs(aq) NH4NO3 ut Chemistry http://chemistry.about.com Balancing Equations Balance the following chemical equations но 2. cr→ Naa 3.4 A1 +302 -Al2O3 NH3 5. CO(g) + HO 6. FeO3(s) +-- CO(g) → Fel)+ CO2(9) 7. HSO_...
Write unbalanced oxidation half-reaction for the following process. Mn3+(aq)→MnO2(s)+Mn2+(aq) Express your answer as a chemical equation. Identify all of the phases in your answer. Write unbalanced oxidation half-reaction for the following process. Fe2O3(s)+CO(g)→Fe(s)+CO2(g) Express your answer as a chemical equation. Identify all of the phases in your answer. Write unbalanced reduction half-reaction for the following process. Fe2O3(s)+CO(g)→Fe(s)+CO2(g) Express your answer as a chemical equation. Identify all of the phases in your answer.
7.38 Balance each of the following chemical equations: a. Ca(s) + Brz(1) CaBrz(s) b. P4(s) + O2(g) →→ P4010(s) c. Sb Sz(s) + HCl(aq) — SbCl3(aq) + H2S(8) d. Fe2O3(s) + C(s) —> Fe(s) + CO(g)
For each chemical reaction listed in the table below, decide whether the highlighted atom is being oxidized or reduced highlighted atom is being... reaction neither oxidized reduced oxidized nor alo reduced 41 IF() + SiO2(s) → SiF4(g)+ 2 H 20(9) Cu SO 4(aq) + Zn(s) → ZnSO4(aq)+ Cu(s) CH4(g)+ H2O(g) → CO(g) +3 H2(g) 2 H 2(g)+02(g) → 2 H2O(g) Ar
Choose Question 2 1. Balance the following chemical equations and 2. Classify the type of reaction (acid-base neutralization, combination, decomposition, double-replacement, single replacement. a. Ll(s) + N2(8) LIN(s) b. (NH4)2Cr2O;(s) + N2(g) + Cr2O3(s) + H2O(g) C. SIO2 (s) + C(s) + Si(s) + COG) d. Al(SO4)3 + Na PO, AIPO, + Na, SO e. HF + Ba(OH)2 - BaF+H2O Upload Choose a Fe Question 3 Write the molecular couation, complete ionicouation nettonic equation and endly the samestor roton 1....
Consider the balanced chemical equation shown below: Co(s) + BrO-(aq) + H2O(l) → Br-(aq) + Co2+(aq) + 2 OH-(aq) ΔH°rxn = -259.87 kJ/mol Which of the following statements must be true about this chemical reaction? Circle all that apply. A. The reaction is fast. B. The reaction is product-favored. C. The entropy change for this reaction is positive. D. Increasing the temp will drive the reaction towards the products. E. The reaction is endothermic. F. The reaction is spontaneous. G....
1. When the following chemical equation is correctly balanced, the number of electrons transferred: Ni2+ (aq) + Cr (s) → Ni (s) + Cr3+ (aq)