Which characteristic gives the most information about what kind of element an atom is? A. The number of neutrons B. The atomic mass C. The number of electrons D. The atomic number

Lithium carbonate and iron(III) chloride will undergo a double replacement reaction, producing lithium chloride and what else? $\underline {\quad }Li_{2}CO_{3}+\underline {\quad }FeCl_{3}\rightarrow \underline {\quad }???+\underline {\quad }LiCl$ iron(III) carbonate iron(III) chloride lithium ionide iron(III) lithium chloride lithium carbonate

Which of the following would be considered a solution? Salt water Iced tea without ice Kool aid Bowl of Lucky Charms in milk A,B,C only A and C only

A total of 34 valence electrons can be used in the Lewis structure for $ClO_{4}^{-}$ True False

The osmotic pressure of a solution containing 2.63 mg of a sugar $(342g/mole)$ in 13.0 mL of the solution at $25^{\circ }C$ is __ torr. 3760 $1.45\times 10^{-2}$ $1.10\times 10^{-2}$ $1.10\times 10^{4}$ 11.0

A beaker filled with a yellow liquid and a green solid is a mixture of exactly two compounds. a mixture of two or more elements. a mixture of an element and a compound. C a mixture of two or more substances. a homogeneous mixture.

According to the activity series, which of these metals will react with most acids to produce H, gas? $H_{2}$ K Ag Zn

A student wants to create a liquid volcano . The student observes bubbles in the soft drink prior to opening it. The student first proceeds to open the soft drink bottle and place it on the floor. Next the student drops candy tablets into the drink at a continuous pace. The student notices a very powerful reaction in which the candies, still intact, are pushed out of the soda as the drink fizzes and starts to bubble. In this scenario, what would be the catalyst? The candy tablets being added to the drink. The gasses being released when the drink was first opened. The liquid in the container. The container that holds the liquid.

The least intrusive chemical processes (using fingerprint powder and cyanoacrylate fuming)should be conducted in what location? Field Police station Crime scene technician's van Laboratory

Given the following data for the reaction \$A\rightarrow B\$ determine the activation energy, \$E\_{a}\$ of the reaction. \begin{array}{cc} \hline \(\ k\left(s^{-1}\right)\ \)\ &\ \(\ T(\mathrm{~K})\ \)\ \\ \hline \(\ 3.10\ \times\ 10^{-4}\ \)\ &\ 275.0\ \\ \(\ 7.77\ \times\ 10^{-3}\ \)\ &\ 375.0\ \\ \hline \end{array} a) \$2.68kJ/mol\$ b) \$15.1kJ/mol\$ c) \$27.6kJ/mol\$ d) \$95.1kJ/mol\$ e) \$18.5kJ/mol\$

1.(2 points)Determine the molar mass of each compound indicated below: a) ammonium phosphate