Which of the following usually makes a substance dissolve faster in a solvent? increasing the particle size of the solute agitating the solution decreasing the number of particles lowering the temperature

Based on its location on the periodic table , which metal is likely to be less reactive than rubidium and more reactive than calcium? potassium (K) cesium (Cs) magnesium (Mg) titanium (Ti)

How many neutrons do carbon -12 and carbon -13 have, respectively? A 6;7 B 12;13 C 7;6 D 13,11

Multiple Choice 1 point How many moles of NO are formed if 2.50 moles of N_(2)O_(4) completely react using the balanced equation below? N_(2)H_(4)+2N_(2)O_(4)arrow 6NO+2H_(2)O 15.0 moles 10.0 moles 5.00 moles 7.50 moles

24. How is the empirical formula different from the molecular formula?

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

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

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.

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

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

Hot Questions

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. $As(s)\rightarrow H_{2}AsO_{4}^{-}(aq)+AsH_{3}(s)$