Which equation is balanced?
C + CaO = CaC2 + CO
C2H4 + 3O2 = 2CO2 + 2H20
2Sb + Cl2 = SbCl2
Na + O2 = Na2O
KClO3 = KCl + O2
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Which equation is balanced? C + CaO = CaC2 + CO C2H4 + 3O2 = 2CO2...
Which equation is balanced? C + CaO = CaC2 + CO C2H4 + 2O2 = 2CO2 + H2O 2Sb + Cl2 = SbCl2 4Na + O2 = 2Na2O2 2KClO3 = 2KCl + 3O2
Which is the correct and balanced equation for the combustion reaction of the molecule C,H2 that produces carbon dioxide and water? 1- C2H4 + 3O2 → 2CO2 + 2H20 2- C2H4 + O2→ C2H4O2 3 -C2H4 + O2 2CO2 + 2H20 4 -CCHA + 2O2 2CO2 + 2H20
Balanced equation: 2KClO3 ---> 2KCl + 3O2 Convert moles of KClO3 ( .0078367347 moles) to moles of KCl
Consider the balanced equation for the following reaction: 3O2(g) + 2CH3OH(l) → 2CO2(g) + 4H2O(l) If O2 is present in excess, determine the amount of CH3OH needed to produce 3.22 moles of H2O. A) 0.403 moles B) 1.49 moles C) 6.44 moles D) 2.18 moles E) 1.61 moles
Consider the following balanced equation: 3O2(g) + 2CH3OH(l) → 2CO2(g) + 4H2O(l) If 30.3 moles of O2(g) and 31.1 moles of CH3OH(l) are allowed to react to produce 15.0 moles of CO2(g), what is the percent yield of the reaction? a-57.5% b-74.3% c-48.1% d-85.0% e-70.2%
2. (10 pts) Given the following data Ca(s)2C(graphite)CaC2(s) -62.8 kJ OH635.5 Ca(s)1/202(g) CaO(s) kJ CaO(s)H20()- Ca(OH)2(aq) OH 653.1 kJ 2CO2(g)H2O(l OH1300 C2H2(g)5/202(g) kJ C(graphite) O2(g)CO2(g) H= -393.5 kJ calculateH for the reaction (show your work for full credit) CaC2(s)+ 2H20()- Ca(OH)2(aq) CH2(g)
La Accessibility Mode 44) The formula Mg + CO2 + 02 - MgCO3 is balanced as: A) 2Mg + 2CO2 + O2 - MgCO3 B) 2Mg + 2C02 + O2 ► 2MgCO3 C) 2Mg + CO2 + 202 2MgCO3 D) Mg + 2CO2 + O2 - 4MgCO3 E) none of these 45) The formula C3H3 + O2 - CO2 + H2O is balanced as: A) C3H3 + O2 →2CO2 + 2H20 B) CzH3 + 02 - → 6CO2 + 8H20...
Consider the following balanced chemical equation: C2H5OH(l) + 3O2(g) → 2CO2(g) + 3H2O(l) a. How many moles of CO2 form when 1.53 moles of C2H5OH react? moles CO2 b. How many moles of H2O form from the reaction of 1.53 moles of C2H5OH? moles H2O c. How many moles of CO2 form when 1.53 moles of H2O form? moles CO2 d. How many molecules of CO2 form when 1.53 moles of H2O form? × 10(Click to select)21222324 molecules CO2
Which of the processes represented by the following chemical equations are exothermic?Choose one or more:A. $$heat+CaO(s)+3C(s)→CaC2(s)+CO(g)B. $$CH4(g)+2O2(g)→CO2(g)+2H2O(g)+heatC. $$CH3OH(g)+32O2(g)→CO2(g)+2H2O(g) ΔH=−676kJ/molD. $$2H2O(g)→2H2(g)+O2(g) ΔH=+483.6kJ/molE. $$I2(s)→I2(g)F. $$H2O(g)→H2O(l)
1) 1) What is the stoichiometric coefficient for water when the following equation is balanced using the lowest whole-number coefficients? _C3HgO(l) + _02(8) - — CO2(g) + ___ _H2O(1) A) 6 B) 3 098 D) 7 2) Which of the following correctly illustrates the conservation of mass for the reaction below? 2) 4Na(s) + O2(g) - 2Na2O(s) A) 92.0 g Na, 16.0 g O2, 108 g Na2O B) 92.0 g Na, 16.0 g 02, 124 g Na2O C) 23.0 g...