Chem two Study guides, Class notes & Summaries

CHEM 103 Lab Exam 4 – Portage Learning. Does the following reaction give off heat or absorb heat? Explain briefly. C D H = +263Kcal/mol 3. (4 points) In one experiment in the video, room temperature water was mixed with water at about 38 degrees. To what temperature (about) did the mixture of the two water samples come to after setting for a few minutes? Answer: 1. The heat depends on the amount of substance. If the amount of substance is doubled, then the heat doubles. Other propertie...

Chem 103 Module 1 to 6 Exam with Verified answers (100 OUT OF 100) Portage learning (Latest Update) MODULE 1 EXAM Question 1 Click this link to access the Periodic Table. This may be helpful throughout the exam. 1. Convert 845.3 to exponential form and explain your answer. 2. Convert 3.21 x 10-5 to ordinary form and explain your answer. 1. Convert 845.3 = larger than 1 = positive exponent, move decimal 2 places = 8.453 x 102 2. Convert 3.21 x 10-5 = negative exponent = smalle...

CHEM 103 Lab Exam 3 – Portage Learning. A 1.1000 gram hydrate sample chosen from Na2CO3∙10H2O, AlCl3∙6H2O, MgCl2∙6H2O and BaCl2∙2H2O was heated and found to lose 0.5841 gram of H2O. (1) Show the calculation of the % H2O in the unknown hydrate sample. (2) Show the calculation of the % H2O in each of the hydrate compounds and identify the unknown hydrate from the list. Atomic weights: H = 1.008, O = 16.00. MWs: Na2CO3∙10H2O = 286.15, AlCl3∙6H2O = 241.43, MgCl2∙6H2O = 203.301 ...

Chem&219 Unit 2 NAMING Exam Questions With 100% Correct Answers 2024 What does the prefix and suffix of the alkanes indicate? - answerThe prefix of the name (meth-, eth-, prop-, but-) describes the number of carbon atoms present, while the suffix - ane, denotes a saturated hydrocarbon. nomenclature - answerThe "naming" of a molecular structure, that is more systematic than simply basing the name on the number of carbon atoms present. International Union of Pure and Applied Chemistry (IU...

Sabalauski Air Assault School Phase 1 Test 2022/2023 Graded A What are the dimensions of the reference lights that mark an additional touchdown point for cargo aircraft? . 10mx10m. A _________ is a location where you can maintain communication with the aircraft, have total overview of the LZ/PZ, and are able to see incoming aircraft. Control Facility. A __________ is defined as personnel and equipment designated to be moved by a specific aircraft. Chalk Air Routes are commonly marked with __...

chem 210 exams 1-8 and final exam Question 1 3 / 3 pts True or False: According to the Module, a compound with a molecular mass of 1,000 g/mol is considered a macromolecule. True Correct! False Question 2 3 / 3 pts True or False: Biomolecules can have only two functional groups. True Correct! False Question 3 3 / 3 pts True or False: The following functional group is an alcohol. True Correct! False Question 4 3 / 3 pts True or False: In a eukaryotic cell, the...

MTSU CHEM 1110 Exam Two Review verified answers 100%2023 Which of the following has the smallest radius? - correct answer Cl What is the maximum number of electrons that can occupy the n=3 shell? - correct answer 18 The chemical formula for tin(II) sulfite is? - correct answer SnSO3 The electron configuration of teh phosphide ion is? - correct answer [Ne]3s(2)3p(3) Which element has the electron configuration [Ar]4s^13d^10? - correct answer Cu The atomic radius of main-group el...

The Sabalauski Air Assault School Phase 1 Study Guide 2022/2023 Already Passed What is the allowable cargo load of the LUH—72A in its normal configuration when used for MEDEVAC operations? 2 litter, 1 medic or 5 ambulatory What is the primary use for the CH-47 when used for CASEVAC missions? Mass Casualty Evacuation What is the crew of a LUH-72A when not being used for MEDEVAC operations? 4 - pilot, co pilot, crew chief, and in flight medic What is the total length of the high-performance ...

Quiz 2 Biochemistry Lab Chem 378 Name:____________________ 1. Below are restriction enzyme maps of two plasmids. Draw or described in numbers the expected bands of digestion in 1% agarose gel electrophoresis, relative to the 2 bands identified for you as control. 2. Explain the different steps that are involved in a PCR experiment (include all the reagents used in the PCR mixture). 5.5 kb BamHI 3730 PstI 2650 BamHI 3050 PstI 1720 PstI BamH1 PstI BamHI pCAG-EYFP 4000 bp 3000 ...

CHEM 210 EXAMS 1-8 and FINAL EXAM LATEST. According to the Module, a compound with a molecular mass of 1,000 g/mol is considered a macromolecule. True Correct! False Question 2 3 / 3 pts True or False: Biomolecules can have only two functional groups. True Correct! False Question 3 3 / 3 pts True or False: The following functional group is an alcohol. True Correct! False Question 4 3 / 3 pts True or False: In a eukaryotic cell, the organelles called peroxisomes se...