Which of the following cycloalkanes has the most angle strain? Select the single best answer. Cyclopentane Cyclobutane C Cyclohexane Cyclopropane
A chemical or combination of chemicals that prevents pH changes is called a square
Which statement about alcohol is not correct? Can dissolve membrane lipids Can be used as a degerming agent and antiseptic Can denature proteins Is typically used as a sterilizing agent
What is the structure for the compound: Cl_(2) bent linear trigonal pyramidal tetrahedral
Write the formula for the acetate ion. formula: square
How many cycloalkane constitutional isomers are there with molecular formula C_(5)H_(10) Select the single best answer. (Stereoisomers are not constitutional isomers.) 4 3 5 2
The orbital hybridization on the carbon atoms in SCN- is sp^3 sp^2 sp. sp^3d^2
What is the molarity of a solution that contains 6 moles dissolved in 2 L of water? 12M 3M 12M 0.3M
There were issues with Daguerre's process-which apply? unreproducible Small Toxic process All of these
Which of the following characteristics or postulates are NOT significant in collision theory? Have energy equalto or greater than the energy required to rearrange the atoms Proper orientation The atoms must be hard spheres None of these options
During brazing, which of the following may present health hazards? Zinc Beryllium Cadmium or phosphorus All are correct
Which particles determine the affinity of atoms to each other and thus the likelihood of a chemical reaction? Protons Neutrons Electrons Nucleus
Get It? Explain how the ion $HCO_{3}^{-}$ can be both an acid and a base. Describe what happens in the forward and reverse reactions when ammonia is dissolved in water. Identify the conjugate acid, the conjugate base, and the two conjugate acid-base pairs.
Write the net ionic equation between $Cr_{2}(SO_{4})_{3}(aq)$ and $Ba(OH)_{2}(aq)$ Be sure to include the states of matter. $\square $
Sequence the following equations in the steps of the ionization of phosphoric acid in the correct order. $HPO_{4}^{2-}(aq)+H_{2}O(l)\rightleftharpoons H_{3}O^{+}(aq)+PO_{4}^{3-}(aq)$ $H_{3}PO_{4}(aq)+H_{2}O(l)\rightleftharpoons H_{3}O^{+}(aq)+H_{2}PO_{4}^{2-}(aq)$ $H_{2}PO_{4}^{-}(aq)+H_{2}O(l)\rightleftharpoons H_{3}O^{+}(aq)+HPO_{4}^{-}(aq)$
When a halide leak detector is used, what color will a blue flame turn when it comes in contact with leaking refrigerant vapors? A. blue B. green C. white D. orange
What kind of Isomers are 1-butene and 2-butene (pictured above)? stereoisomers structural isomers geometric isomers not isomers
Write the balanced NET ionic equation for the reaction when $Cr(NO_{3})_{3}$ and $Li_{2}CO_{3}$ are mixed in aqueous solution. If no reaction occurs, simply write only NR. Be sure to include the proper phases for all species within the reaction.
What type of elements are the lanthanides and actinides? a mostly nonmetals and a few metals b mostly metals and a few nonmetals C all nonmetals d all metals
Describe what happens in the forward and reverse reactions when ammonia is dissolved in water. Identify the conjugate acid, the conjugate base, and the two conjugate acid-base pairs.
