How many unique NMR signals (disregard splitting, but do not disregard enantiotopicity or diastereotopicty of a H) would be predicted in the IH spectrum of the following compound? 2 3 4 сл 7 OH Br

A tank with 43.2 kg of water is leaking at a rate of 0.0135 kg/s. How many hours will it take until the tank is completely empty?

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Quality control material in the hematology laboratory is best described as:     Question 3 options:   A)  a stable material used to establish the accuracy of an automated method and normal curve   B)  a stable material used to monitor the functioning of an analyzer or the performance of a process   C)  reagents used to perform preventative maintenance   D)  materials tested to develop a normal reference range

Express Surgery Center's (ESC) preferred stock, which has a par value equal to $160 per share, pays an annual dividend equal to 10 percent of the par value. If investors require a 14 percent return to purchase ESC's preferred stock, what is the stock's market value? Do not round intermediate calculations. Round your answer to the nearest cent.

Use and interconvert energy units. A tank contains 176 gallons of oil. This is the equivalent of 2.58×1010 J of energy. How many kcal of energy does this oil represent? kcal Check & Submit Answer Show Approach

Must answer all questions eslse downvote   A. MULTIPLE CHOICE. Choose the BEST answer. PLEASE HELP ME ANSWER EVERYTHING THANK YOU Q)What is used for heating small amounts of solids at a high temperature?a) Mortar and pestleb) Evaporating dishc) Crucible and coverd) Clay triangleQ)Which of the following is used in separation techniques?a-Rubber policemanb-Graduated cylinderc-Volumetric flaskd-Filter paperQ)Which of the following describes a centrifugate?a-Always clearb-Supernatant liquidc-Discarded via decantation onlyd-Solid particlesQThe inward force that pulls substances towards its center is called .a-Gravitational forceb-Centrifotal shiftc-Continental shiftd-Centrifugal forceQA "slippery floor" is considered a .a-hazardb-riskc-flash pointd-toxicantQ)Mrs. Lily Potter is 24 weeks pregnant. She was exposed to a chemical while making a potion. What is the type of the chemical she should be avoiding?a-neurotoxicantb-asphyxiantc-teratogend-carcinogenQ)Which of the following should be…

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