Cu^2+ Spell out the full name of the ion. square
Which two properties are most useful in distinguishing between galena and halite? 1. cleavage and color 2. luster and color 3. hardness and streak 4. streak and cleavage
Balance the following redox reaction in acidic solution. How many protons are produced? Cr^2+(aq)+Cl_(2)(l)arrow CrO_(4)^-(aq)+Cl^-(aq) 16 5 2 10 4
Which option will increase the rate of reaction? removal of one of the reactants decrease the volume of container lower the temperature of reaction reduce the pressure in the container
Name the following compound. 2-ethylhex-1-ene 4-ethylhex-4-ene 3-methylhept-1 -ene
An element cannot be broken down by chemical means. True False
What is the molar volume of a gas at standard temperature and pressure? 1.0 L 2.4 L 11.2 L 22.4 L
What volume would 3.01cdot 10^23 molecules of oxygen gas occupy at STP? 11.2 mL 22.4 mL 11.2 L 22.4 L
Which among the following is a chemical change? Reactivity Melting Cutting Freezing
Part F CH_(3)CH_(2)CHCl downarrow CH_(3) Spell out the full name of the compound.
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
Determine which type of property each statement describes by typing "physical or "chemical" in the blank. Hydrogen is a colorless tasteless, and odorless gas. $\square $ Hydrogen is very combustible in the presence of oxygen. $\square $ Hydrogen is very reactive with most elements. $\square $ Hydrogen is the least dense of all elements. $\square $
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
What is the electron configuration for oxygen, O? $1s^{2}2s^{2}2p^{3}$ $1s^{2}2s^{2}2p^{6}3s^{2}$ $1s^{2}2s^{2}2p^{4}$ $1s^{2}2s^{2}2p^{6}3s^{2}$
Gasoline, paints, thinners solvents, natural gas acetylene are all examples of potential: A. Toxic hazards. B. Flammable hazards. C. Combustible hazards. D. All of the above. E. None of the above.
Trans fats and partially hydrogenated oils are the same thing. False True
Is this compound ionic or covalent? $NO_{2}$ ionic covalent
(b) $H_{3}C-CH-CH_{2}-CH_{2}-CH_{3}\\ H_{2}C-CH_{3}$ 2-Ethylpentane Spell out the full name of the compound. The correct name is $\square $
Question 2 (Multiple Choice Worln 2 Points) (05.01 LC) Which of the following groups have seven valence electrons and are very reactive? Column 1 alkali metals Column 2 alkaline earth metals Column 17 halogens Column 18 noble gases
