Which of the following is an empirical formula? C_(3)H_(6) C_(3)H_(8) CH C_(2)H_(4)
Which of the following has the most mass per mole? Oxygen Nitrogen Carbon Potassium
Which of the following are the units for molarity? g/mL mol/L g/L mol/mL
When you balance the Separate Water simulation how many individual oxygen atoms do you need on the products side to complete the balanced equation? 1 2 3 4
Identify the geometry of [Cr(H_(2)O)_(6)]^3+ tetrahedral square planar octahedral trigonal planar bent
Q2: Fill in the blank. Know your __ type your text here
An element is best described as a material that has consistent physical properties. that has consistent chemical properties. that is pure. with more than one type of atom. consisting of only one type of atom.
What is the atomic number of Argon? 40 22 18
What is the name of this compound? Al(C_(2)H_(3)O_(2))_(3) ammonium acetate aluminum (III) acetate aluminum acetate ammonium carbonate
A synthetic lubricant presently used with ternary blends containing HCFCs is known as __ Alkylbenezene Polyalkylene Polywannacracker Polyolester
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.
