Question 18 (Mandatory) (5 points) Choose the weak acid from the compounds below. CH_(3)CH_(2)NH_(2) CH_(3)CH_(2)F CH_(3)CH_(2)CO_(2)H CH_(3)CH_(2)OCH_(3)
Question 15 (Mandatory) (5 points) How many isomers are possible for C_(5)H_(12) 3 4 1 2
Question 9 (Mandatory) (5 points) Which element is oxidized in the reaction below? 1^-+MnO_(4)^-+H^+arrow I_(2)+MnO_(2)+H_(2)O Mn I H
Question 5 (Mandatory)(5 points) How many electrons are transferred in the following reaction? (The reaction is unbalanced.) Mg(s)+Al^3+(aq)arrow Al(s)+Mg^2+(aq) 3 2 1 6
What is the difference between the atoms of carbon -12 carbon -13 and carbon -14 the proton number the atomic number the mass number the average atomic mass
What type of bonding is present in NaOH? covalent ionic metallic
4. Which properties do atoms of the same element share? Select all that apply. A. atomic number B. chemical reactivity C. melting point
CH_(2)CH_(3) uparrow CH_(3)CH_(2)CHCHCHCH_(3) Which of the following is the correct name for the molecule above? 3-ethyl-5-methyloctane 3-ethyl-5-propylhexane 4-methyl-6-ethyloctane 2-propyl-4-ethylhexane
How many significant figures should be retained in the result of the following calculation? 12.00000times 0.9893+13.00335times 0.0107 2 3 4 5 6
Writing Net Ionic Equations Exercise:Determine the following for the chemical reaction below: HC_(2)H_(3)O_(2(aq))+Ca(OH)_(2(aq))arrow Ca(C_(2)H_(3)O_(2))_(2(aq))+H_(2)O_((l)) a. total ionic equation b. spectator ions (if any) c. net ionic equation
An element cannot be broken down by chemical means. True False
Why is vaporization classified as a phase change? It forms ash Identity changes It is reversible and involves state change It forms new compounds
Which of the following statements about a catalyst is true? A catalyst accelerates a reaction by lowering the energy of activation. A catalyst accelerates a reaction by raising the energy of activation. A catalyst accelerates a reaction by changing the amount of reactant and product at equilibrium. A catalyst accelerates a reaction by lowering the equilibrium constant.
The compound $2,4,6$ trimethylheptane has how many chiral centers? o 3 1 4
Complete the atomic orbital diagram for the ground-state electronic configuration of phosphorus. $\square $ $\square $ $\square $ $\square $ $\square $ $\square $ $\square $ $\square $ $\square $
13. Base your answer to the following question on the balanced equation below. $2Na(s)+Cl_{2}\rightarrow 2NaCl(s)$ Explain, in terms of electrons, why the bonding in NaCl is ionic.
Which of the following types of compounds can form hydrogen bonds with itself? Alcohols ethers alkenes
Mixtures can be separated by physical changes. Please select the best answer from the choices provided T F
Which among the following is a chemical change? Reactivity Melting Cutting Freezing
Part F $CH_{3}CH_{2}CHCl\\ \downarrow \\ CH_{3}$ Spell out the full name of the compound.