The culture of laboratory safety depends ultimately on the working habits of individual chemists and their sense of teamwork for the protection of what group? (Source: OSHA) co-workers all of these the environment wider community individual chemists
Question 20 (Mandatory) (5 points) Name the following compound. CH_(3)CH_(2)CH_(3) butane pentane propane methane
Question 19 (Mandatory) (5 points) Which of the following compounds is an ether? CH_(3)CO_(2)CH_(3) CH_(3)CH_(2)CH_(2)CO_(2)H CH_(3)-O-CH_(3) CH_(3)CH_(2)CH=O
Question 18 (Mandatory) (5 points) Choose the weak acid from the compounds below. CH_(3)CH_(2)NH_(2) CH_(3)CH_(2)F CH_(3)CH_(2)CO_(2)H CH_(3)CH_(2)OCH_(3)
Question 15 (Mandatory) (5 points) How many isomers are possible for C_(5)H_(12) 3 4 1 2
Question 9 (Mandatory) (5 points) Which element is oxidized in the reaction below? 1^-+MnO_(4)^-+H^+arrow I_(2)+MnO_(2)+H_(2)O Mn I H
Question 5 (Mandatory)(5 points) How many electrons are transferred in the following reaction? (The reaction is unbalanced.) Mg(s)+Al^3+(aq)arrow Al(s)+Mg^2+(aq) 3 2 1 6
What is the difference between the atoms of carbon -12 carbon -13 and carbon -14 the proton number the atomic number the mass number the average atomic mass
What type of bonding is present in NaOH? covalent ionic metallic
4. Which properties do atoms of the same element share? Select all that apply. A. atomic number B. chemical reactivity C. melting point
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
