Addition of Br2 to (E)-hex-3-ene produces __ a meso dibromide a mixture of enantiomeric dibromides which is optically active a mixture of enantiomeric dibromides which is optically inactive (Z)-3,4-dibromo -3-hexene (E)-3,4-dibromo -3-hexene
4) Calculate the pH of 2.6times 10^-2 M KOH. A) 12.41 B) 15.59 C) 2.06 D) 7.00 E) 1.59
1) Identify the conjugate base of HCO_(3)^- in the reaction CO_(3)^2-+HSO_(4)^-arrow HCO_(3)^-+SO_(4)^2- A) HSO_(4)^- B) CO_(3)^2- C) OH^- D) H_(3)O^+ E) SO_(4)^2-
Estimate Delta H for the reaction. 2Cl-N-Clarrow Nequiv N+3Cl-Cl Delta H=square kJ
The normal boiling point of mercury (Hg) is 356.7^circ C What is the vapor pressure of mercury at 344.5^circ C in atm? (Delta H_(vap)=58.51kJ/mol)
Determine the number of NH_(4)^+ and CO_(3)^2- ions required to form a neutral ionic compound. Cations Anions NH_(4)^+ CO_(3)^2- Answer Bank square NH_(4)^+ NH_(4)^+ square CO_(3)^2- CO_(3)^2- NH_(4)^+ NH_(4)^+ NH_(4)^+ CO_(3)^2- CO_(3)^2- CO_(3)^2-
Which of the following molecular formulas is consistent with the formula for a molecule containing one alkyne and no other degrees of unsaturation? Select the single best answer. C_(10)H_(19) C_(10)H_(22) C_(10)H_(20) C_(10)H_(18)
Which of these substances must be primordial? tritium lithium deuterium helium beryllium
Which of the following bases will completely convert 1,4 cyclohexandione into an enolate? A Sodium hydroxide B Sodium methoxide C Sodium tert-butoxide D Sodium hydride
What are the major products obtained upon treatment of methyl phenyl ether with excess HBr? Select the single best answer. Phenol and bromomethane Bromobenzene and bromomethane Bromobenzene and methanol Phenol and methanol
Which of the species below is less basic than acetylide? $CH_{3}MgBr$ $CH_{3}ONa$ $CH_{3}Li$ both A and C all of the above
Choose the conjugate acid for the following base: $N_{2}O_{2}^{2-}$ a. $NO_{2}^{-}$ $HN_{2}O_{2}^{-}$ $H_{2}N_{2}O_{2}$ $HNO_{2}$ $HPO_{4}^{2-}$ b. $H_{2}PO_{4}^{-}$ $H_{2}PO_{4}^{2-}$ $H_{3}PO_{4}$ $H_{3}PO_{4}^{-}$ $B_{4}O_{7}^{2-}$ C. $HB_{4}O_{7}^{2-}$ $HBO_{2}$ $HB_{4}O_{7}^{-}$ $H_{2}B_{4}O_{7}$
The difference between Q and $K_{sp}$ is no differencé. $K_{sp}$ is the value of the product at equilibrium and Q is the value of the product under any condition. Q is the value of the product at equilibrium and $K_{sp}$ is the value of the product under any condition. Q is greater than $K_{sp}$ $K_{sp}$ is greater than Q.
A gas occupies 718 mL at a temperature of $28.36^{\circ }C$ What is the volume of gas at $116.05^{\circ }C$ assuming pressure did not change? Give your answer in L to the hundredths place. Do not put units in the answer space.
Which of the following substances can behave as Lewis bases in an aqueous solution? (Select all that apply) D $CN^{-}$ D $NH_{3}$ $O^{2-}$ $Ag^{+}$ $NH_{4}^{+}$
$CH_{3}-CH_{2}-OH$ Spell out the full name of the compound. $\square $
QUESTION 1 OF 10 When reading a chemical label, it's important to check for what two kinds of hazards? SELECT ALL THAT APPLY health safety storage transportation
3) (4 pts) Give the structures (condensed or line-angle structures) of the isomers of $C_{4}H_{10}$ and name each.
Complete the table to describe the interactions. Interaction Effect on Effect on Species A Species B $\square $ $\square $
Complete and balance the following redox reaction in acidic solution . Be sure to include the proper phases for all species within the reaction. $As(s)\rightarrow H_{2}AsO_{4}^{-}(aq)+AsH_{3}(s)$
