Exams & Certification

Estimate the boiling point of carbon tetrachloride given the following thermodynamic parameters. CCl4(l) CCl4(g) Change fH (kj/mol-rxn) -128.4 -96.0S (J.K. mol-rxn) 214.4 309.7Change fG (kj/mol-rxn) -57.6 -53.6 The Correct Answer and Explanation is : To estimate the boiling point (( T_b )) of carbon tetrachloride (( CCl_4 )), we use the thermodynamic criterion for phase […]

Consider the incomplete paragraph proof shown. Given: Isosceles AABC with AB BC. Prove: LA LC A D C Let D be the midpoint of AC and draw in BD. From the given statements and the definition of isosceles triangle, AB BC. Also, since D is the midpoint of AC By the ,it is also known

Which of the following is correct about transmission? A. HBV is considerably more persistent than HIV. B. HBV may be transmitted by handling or touching sanitized surfaces. C. Blood borne pathogens are disease causing micro-organisms that can only be transmitted by direct contact with blood. D. All the above The Correct Answer and Explanation is

Find the area between the circle r = 5 cos ? and the limacon r = 2 + cos ?. Also, please sketch the curves as well as the enclosed region. The Correct Answer and Explanation is : To determine the area enclosed between the circle ( r = 5 \cos \theta ) and the

Find the area of the inner loop of the limacon with polar equation r 11 cos θ-6 1 θ,-cos-1 ( 1 COS .) The Correct Answer and Explanation is : To find the area of the inner loop of the limaçon given by the polar equation: [r = 11\cos\theta – 6] Step 1: Identifying the

11) An account is said to have a debit balance if A) the footing of the debits exceeds the footing of the credits. B) there are more entries on the debit side than on the credit side. C) its normal balance is debit without regard to the amounts or number of entries on the debit

Which of the following accounts has a normal debit balance? a. Sales b. Interest Revenue c. Merchandise Inventory d. Accounts Payable The Correct Answer and Explanation is : Correct Answer: c. Merchandise Inventory Explanation: In accounting, accounts are classified into five main categories: Assets, Liabilities, Equity, Revenues, and Expenses. Each type of account has a

Show the transition table for the DFA that is equivalent to the below NFA. Remember, what is required is the transition table for the DFA. Therefore,the required table should not have a column for e. The Correct Answer and Explanation is : To convert a given Nondeterministic Finite Automaton (NFA) to its equivalent Deterministic Finite

Identify the expected major product(s) for the following reaction. A. 1 III II ?? B. I and III C. I, II and III The Correct Answer and Explanation is : The reaction involves meta-chloroperoxybenzoic acid (MCPBA) followed by acidic hydrolysis (H⁺, H₂O). This suggests an epoxidation reaction followed by acid-catalyzed ring opening. Step 1: Epoxidation

Identify the expected major organic product from the reaction shown below. Br2 / H20 ? Br OH Br OH ?? Br OH Br Br III A 1 B 11 III D IV V The Correct Answer and Explanation is : The reaction shown involves the addition of bromine (Br₂) and water (H₂O) to an alkene.