TUTORING WITH PASSION & HAPPY TO HELP YOU ACE YOUR EXAMS

Question (TCO 4) The shape of a carbon dioxide molecule is _____. Question (TCO 4) Which of the following substances does not have polar covalent bonds? Question (TCO 8) According to the Bronsted-Lowry definition, which chemical in the following reaction is the acid? Question (TCO 8) According to the Bronsted-Lowry definition, which chemical in the following reaction is the base? Question (TCO 12) Which nucleic acid carries the amino acid that is added onto the growing amino acid chain durin...

Question: (TCO 7) (a, 5 pts) Given that the molar mass of H3PO4 is 97.994 grams, determine the number of grams of H3PO4 needed to prepare 0.75L of a 0.25M H3PO4 solution. Show your work. (b, 5 pts) What volume, in Liters, of a 0.25 M H3PO4 solution can be prepared by diluting 50 mL of a 2.5M H3PO4 solution? Show your work. Question: (TCO 7) (a, 5 pts) What is the volume percent of a solution prepared by dissolving 21 g of NaOH in enough water to make a final volume of 120 mL? Show your work. ...

Question: (TCO 8) 35.0 mL of 0.25 M NaOH is neutralized by 23.6 mL of an HCl solution. The molarity of the HCl solution is (show your work): Question: (TCO 1) How many mL are in 3.5 pints? Show your work. Question: (TCO 3) What is the name of the following compound: Zn3P2? Question: (TCO 3) What is the name of the following compound: AgNO3? Question: (TCO 6) Calculate the pressure, in atmospheres, of 2.78 mol CO(g) in a 4.25 L tank at 51 degrees C. Question: (TCO 6) A gas at a temperature o...

7. (TCO 6) A sample of helium gas occupies 1021 mL at 719 mmHg. For a gas sample at constant temperature, determine the volume of helium at 745 mmHg. Show your work. (Points : 5) 8. (TCO 12) If one strand of a DNA double helix has the sequence T T A G C G A C G C, what is the sequence of the other DNA strand? (Points : 10) 1. (TCO 8) 35.0 mL of 0.25 M NaOH is neutralized by 23.6 mL of an HCl solution. The molarity of the HCl solution is (show your work): (Points : 5) ...

CHEM 120 Introduction To General, Organic, And Biological Chemistry With LabAll Quiz Solutions Week 1 – 7 (Q&A 100% Correct Latest Collection)

Question : (TCO 5) A reaction that releases energy as it occurs is classified as a(n) _____. Question : (TCO 5) What should be the coefficient of hydrogen, H2, in the following equation in order to make it balanced? 2 Al + 3 H2SO4 —> Al2(SO4)3 + ? H2 Question : (TCO 5) Magnesium reacts with oxygen to form magnesium oxide and has the following balanced chemical equation: 2 Mg + O2 –> 2 MgO. How many mole(s) of MgO are produced when 0.20 mole O2 reacts completely? Question : (TCO 5)...

Question : (TCO 12) Celluloid is a chemical modification of which natural product? Question : (TCO 12) High-density polyethylene is composed of Question : (TCO 12) Natural rubber can be made from the monomer Question : (TCO 12) Which of the following is NOT true of composite materials? Question : (TCO 12) The monomer of polypropylene is Question : (TCO 11) The process of positron emission can be considered as the Question : (TCO 11) Nitrogen-13 has a half-life of 10 minutes. How much of a ...

Question : (TCO 2) The mass number of an atom can be calculated from Question : (TCO 2) Consider a neutral atom with 30 protons and 34 neutrons. The mass number for this atom is Question : (TCO 2) Heptane is always composed of 84% carbon and 16% hydrogen. This illustrates the law of Question : (TCO 2) Which type of radioactivity has essentially no mass? Question : (TCO 2) Essentially, all of the mass of an atom is due to the Question : (TCO 2) Which subatomic particles have approximately th...

Question : (TCO 3) The maximum number of electrons that may reside in the n=3 energy level is Question : (TCO 3) How many electrons are in a sulfur atom? Question : (TCO 3) Which is an impossible electron configuration? Question : (TCO 3) The ground element with the ground state electron configuration of 1s2 2s2 2p6 3s2 3p5 is Question : (TCO 3) Which substance has ionic bonds? Question : (TCO 3) A oxide ion is _____. Question : (TCO 3) The correct name of the compound NCl3 is _____. Ques...

Question : (TCO 9) What type of compound is CH3-CH2-CH3? Question : (TCO 9) What is the name of this compound? CH3-CH2-CH2-CH2-CH2-CH2-CH3? Question : (TCO 9) Name the following organic compound: CH3CH2CH2CH2CH2COOH. Question : (TCO 9) Name the following organic compound: CH3CH2CH2CH2CH2CH3. Question : (TCO 10) Match the organic compound with its use or characteristic. Question : (TCO 9) Match the organic compound with the functional group found in that molecule. Question : (TCO 12) Cellul...