A saturated solution holds the maximum amount of solute under the solution conditions. True False
Which of the following is NOT a sign of a chemical reaction? absorbing light when chemicals are contacted with each other emission of light when chemicals are contacted with each other All of the above are signs of a chemical reaction. absorbing heat when chemicals are contacted with each other emission of heat when chemicals are contacted with each other
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
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
If 588 grams of FeS_(2) is allowed to react with 352 grams of O_(2) according to the following unbalanced equation, how many grams of Fe_(2)O_(3) are produced? FeS_(2)+O_(2)arrow Fe_(2)O_(3)+SO_(2) A 4268 B 3208 C 8808 D 3528 E 1108
Question 2 What is the correct group name for the element Sn? (Reference p.168, Figure 3.38 of your textbook.) A Noble Gases A B ) Carbons C Lanthanides D (D) Actinides 1 P
What is the name of the compound Al_(4)C_(3) Multiple Choice silver carbonate arsenic carbide aluminum carbide argon carbonate
A P-P linkage would be classified as what type of bonding interaction? polar covalent nonpolar covalent metallic homogeneous ionic
Personal Protective Equipment (PPE) in a laboratory setting may include (select ALL that apply): A A lab coat B Goggles C Open toe shoes D Gloves
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.
