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General Organic and Biochemistry Study Set 1

Chemistry

Quiz 1 :

Chemistry:methods and Measurement

Quiz 1 :

Chemistry:methods and Measurement

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A patient weighs 146 pounds and is to receive a drug at a dosage of 45.0 mg per kg of body weight.What mass of the drug should the patient receive? [1 pound = 454 g]
Free
Multiple Choice
Answer:

Answer:

B

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When hydrogen (H2) and chlorine (Cl2) gases are mixed, hydrogen chloride (HCl) is produced.Hydrogen chloride is classified as what type of matter?
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Multiple Choice
Answer:

Answer:

B

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Which statement concerning the classification of matter is FALSE?
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Answer:

A

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A typical aspirin tablet contains 5.00 grains of pure aspirin analgesic compound.The rest of the tablet is starch.How many aspirin tablets can be made from 50.0 g of pure aspirin? [Use: 1.00 g = 15.4 grains]
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Which process depicts a physical change?
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Which of the following terms best describes the sample of matter in the diagram? Note: different colored circles represent atoms of different elements. img
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What is a hypothesis?
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A student records the measurement 4.8 m.What type of measurement was made?
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1 milligram is equivalent to how many grams?
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Which diagram represents a mixture? Note: different colored circles represent atoms of different elements.
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Which of the following terms is most appropriate when classifying an apple?
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What statement best describes an intensive property?
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Which statement concerning the scientific method is FALSE?
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A patient weighs 146 pounds and is to receive a drug at a dosage of 45.0 mg per kg of body weight.The drug is supplied as a solution that contains 25.0 mg of drug per mL of solution.What volume of the drug should the patient receive? [1 pound = 454 g]
Multiple Choice
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If one atom of carbon-14 weighs 14.0 atomic mass units and one atomic mass unit is equal to 1.66 × 10-24 grams, what is the mass of 25 atoms of carbon-14 in grams?
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Which statement concerning changes in matter is FALSE?
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Which of the following is NOT a type of mixture?
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What type of change alters the appearance, but not the composition or identity of the substance undergoing the change?
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A patient needs 0.300 g of a solid drug preparation per day.How many 10.0 mg tablets must be given to the patient per day?
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What method used by scientists is the systematic approach to the discovery of new information?
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