PART 1:
The balanced reaction is:
N2H4 + 2 H2O2 ---------------> N2 + 4 H2O
-------------------------------------------------------------------------------------------
PART 2:
The balanced reaction is:
C5H8 + 7 O2 ---------------> 5 CO2 + 4 H2O
Question 3 (1 point) Which of the following correctly gives the best coefficients for the reaction...
12, 18 thank you - - _12) Numerical coefficients that correctly balance the reaction, Fe + H20 Fe3O4 + H2 are, A) 3,4, 1,4 B) 3, 1, 4,4 C) 3, 5, 2,4 D) 1.3, 4,4 13) The word equation "calcium reacts with chlorine to produce calcium chloride" would be represented by which of the following formula equations? (a) CaCl2 +CaCl2 (b) CaCl2 Ca+ Cl2 (c) CaCl2 +CaCl2 (d) Ca+ Cl2 -CaCl2 _14) Which of the following is a decomposition reaction?...
Question 3 (1 point) Consider the following chemical equation. C3H8 + 502 --> 3002 + 4H20 The reactants are O C3H8 only CO2 only O CO2 and H20 C3Hg and O2 Question 4 (1 point) From the list below select the coefficients that balance the Mg +___02 --> Mgo
QUESTION 1 H20 is balanced, the coefficient in front of the O2 is CO2 02 When the equation C2H4 1 2 3 4 QUESTION 2 How many grams of N2 is needed to fully react with 9.0 grams of H2 in the equation 2 NH3 3H2 N2 7.0 g 14 g 21 g 42 g OOO QUESTION 1 H20 is balanced, the coefficient in front of the O2 is CO2 02 When the equation C2H4 1 2 3 4 QUESTION...
Consider " 2 S2O32-". Which of the following statements is FALSE? There are 3 O atoms contained in each unit. There are 4 S atoms contained in two units. Each unit of S2032 has a ratio of 1 S: 1.5 O Two units of S2032 have an overall charge of -4. 10 atoms are all connected together.The chemical equation H2 (3)+ O2 (3)>H2O (3) is not balanced. This equation CANNOT be balanced by adding a subscript of 2 behind the oxygen in H20. In other...
Question 1 (1 point) Given: SO42-(aq) --> H2SO3(aq), acidic solution. When this half-reaction is balanced, both H+ and H20 appear in the equation. If the coefficient of H2SO3 is 1 in the balanced half-reaction, what is the coefficient of Ht? 04 08 O 12 O2 O 10
Question 1 (1 point) Which of the following best describes glycogen? Question 3 (1 point) All the protease mechanisms we discussed in class involved formation of a covalent acyl enzyme intermediate. O Alinear polymer of glucose joined by a(1,6) linkages. True False O A polymer of glucose joined by a(1,4) linkages with a(1,6) linkages every 5-10 residues. Question 4 (1 point) O A polymer of glucose joined by B(1,4) linkages with a(1,6) linkages every 5-10 residues. In the mechanism of...
Question 1 (1 point) Which of the following best describes glycogen? Question 3 (1 point) All the protease mechanisms we discussed in class involved formation of a covalent acyl enzyme intermediate. O Alinear polymer of glucose joined by a(1,6) linkages. True False O A polymer of glucose joined by a(1,4) linkages with a(1,6) linkages every 5-10 residues. Question 4 (1 point) O A polymer of glucose joined by B(1,4) linkages with a(1,6) linkages every 5-10 residues. In the mechanism of...
Question 4 1 pts Which of the following mole ratios CANNOT be derived from the reaction 2 502 (g) + O2 (g) + 2 H20 (1) --> 2 H2SO4 (aq) ? 02 mol SO2 2 mol H2SO4 2 mol H2SO4 2 mol O2 0 1 mol O2 2 mol H20 O 2 mol O2 1 mol O2 2 mol H20 2 mol SO2 Question 1 1 pts What do the coefficients in a balanced equation tell us? Mark ALL that...
For the following reaction in basic solution Fe(CN)3 + N2H4 --> Fe(CN)6+ + N2 a correct set of stoichiometric coefficients in the balanced equation is: Fe(CN)63 N2H4 H20 O A. 4,1,4 B. 2,1,2 OC. 4.2.2 OD. 2,2,3 O E. 4.1.3 Reset Selection
chemistry 3 of 17 > e chemical equation by adding coefficients as needed. HCl(aq) + As,O,(s) + NaNO3(aq) + H20(1) NO(g) + H, Aso, (aq) + NaCl Balance the chemical equation by adding coefficients as needed. equation: HCl(aq) + As,0,(s) + NaNO, (aq) + H,00) - NO(g) + H 4:0 (aq) + NaCl(a)