Question 1 The praph of a function is shown below. 7. 6. 10-9 8-7 -6 8 9 16 -2 -10- The function, in factored form, that best describes the graph above is 1 (z+ 4)? (z+7)(z+ 4) I+7 (z+ 7)(z + 4) I+7 (z+ 7)(z+ 4) Add Work LUO G…

T 1dwany ISUPLI ÍDILIDKL Question 1 (1 point) Listen All compounds that contain carbon are organic 1) True 2) False Question 2 (1 point) ) Listen Identify the only organic compound in this list CO2 O=CH2 O H2CO3 C (diamond) Question 3 (1 point) Listen 2. The two following compounds:…

Question 1 (1 point) Listen What are the coefficients of bromide ions and of water when the following equation is balanced? MnO4- + Br + H → Mn2" + Br, + H,0 a) 8 and 5 b) 5 and 4 O c) 8 and 4 d) 2 and 4 O…

Question 3 (1 point) 1) Listen In which of the following compounds does nitrogen have the lowest oxidation state? O a) HNO3 O b) NHẠCI O) NO2 d) NaNO2 O e) N20

Question 4 (1 point) 4) Listen When two solutions were mixed, the temperature of the resultant solution falls below the room temperature, which of the following statement is true. Energy is leaving the system during reaction. The products have a lower potential energy than the reactants, The solution has special…

Question 5 (1 point) 1) Listen Given the following molar heats of formation for silicon halides, which would be the most thermally stable? -1617 kJ/mol SiFA(E) SiBrA(8) SiCl(e) SilA(g) -688 kJ/mol -458 kJ/mol -190 kJ/mol O a) SiF4(g) O b) SiCl4(E) O SiBr4(g) O d) Sila(g)

Question 6 (1 point) Listen The minimum energy that entities must reach before they can react is called a) potential energy O b) kinetic energy O c) enthalpy of reaction d) activation energy O e) none of the above

Question 7 (2 points) 4) Listen What quantity of heat is required to raise the temperature of a 48.9 g sample of water from 25.0°C to 32.5°C? O a) 1.54 kJ O b) 110 kJ c) 7.50 kJ d) 205 kJ

Question 8 (1 point) 4) Listen From which of these pairs can you obtain propyl acetate? O A) Propylethanoate and NaOH B) Acetic acid and propanol C) Acetylpropane and sulfuric acid O D) Propanoic acid and ethanol

Question 9 (1 point) 1) Listen Which of the following is an alkane? O A) C7H16 B) C3H14 C) CH3COOH D) C2H4 O E) C3H5OH