CHEM120 Week 3 Exam 1 – With 100% Correct Answers- Download To Score An A+

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CHEM120 Week 3 Exam 1 – With 100% Correct Answers- Download To Score An A+ You're conducting a study on the effects of carrot consumption on blood pressure. you will be giving carrots to part... icipants in your study and monitoring their blood pressure over several months B the amount of carrots consumed by the participant You have an isotope that has a mass number of 195 and contains 116 neutrons what isotope is this C Gold 79 Determine which ion has the ground state electron configuration of 1s2, 2s 2 2p 6 3s 2 3p 6 D CA2+ Which of the following substances contain ionic bonds Li2O CaBr2 What is the name of the comppund N O 2 3 dinitrogendioxide Which of the following species would you expect form intermolecular hydrogen bonds HF In an experiment you calculate that 6.50 gram of liquid has a volume of 2.50 ml B. Liquid X What is the mass of a 160 lb person using appropriate units? 72.73 kg You have purchased 0.5 gallons of a chemical to peer review an experimental procedure Correct answer is 1895 ml At a temperature of 14 degrees c X as having hydrogen bonding Intermolecular forces holding molecules together noting that hydrogen bonding procedures are a higher boiling point or that electrostatic bonding Non polar covalent compounds S 8 O 2 Match the following compounds with their molecular shapes Trigonal planar PF3 Linear CO2 Trigonal pyramidal BF3 Tetrahedral SF4 How many electrons Iron(II) ion 24 Oxide 10 Oxygen 8 Lithium Ion 2 3 An atom of Mg reacts with an atom of O Mg 2+ and O 2- Gains electrons In a molecule that contains a polar covalent bond, electrons in this bond are Shared unequally The bond between two nitrogen atoms would be decribed as an: Triple covelent bond You have noticed that there has been a large amount of racoons invading your garden Develop a hypothesis and an experiment With a control group and predict the results of the experiment An experiment is conducted to study the effect of sprint water on the number of apples produced from the apple tree #of apples produced is the dependent variable A molecule forms from Na and F describe thus process in response to elerctron behavior charges and bond properties You have a bracelet 7.87 g/cm 3 There are several stable isotopes of Mg as well as several ions of Mg possible 12 protons An ion has 4 neutrons 3 protons and 2 electrons what is the charge of the ion +1 What is the mass number of a silicon isotope with 15 neutrons [Show More]

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