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Author Archives: Anonymous

Given the following information, complete the blanks in the…

Given the following information, complete the blanks in the table.   Z =  ? A =  35 Element Symbol ? Number of protons ? Number of neutrons ? Number of electrons ? _______ _______ _______ _______ _______

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3.00 mile converted to inches is: Given 1 ft. = 12 in 1 yd….

3.00 mile converted to inches is: Given 1 ft. = 12 in 1 yd. = 3 ft 1 mi. = 5280  ft Remember to record your answer to the proper number of significant figures.

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The density of a substance is 1.63 g/cm3.  What is the mass…

The density of a substance is 1.63 g/cm3.  What is the mass in grams, of 0.255 L? Given 1 mL = 1 cm3

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A baseball player throws a fastball 2.43 kilometers per minu…

A baseball player throws a fastball 2.43 kilometers per minute.   How many miles per hour is this? Given 1 mi = 1.609 km

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Naturally occurring Gallium (Ga) consists of two stable isot…

Naturally occurring Gallium (Ga) consists of two stable isotopes:  69Ga with a mass of 68.9256 amu and 71Ga with a mass of 70.9247 amu.   Without doing calculations, you could conclude that the most abundant isotope is:

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450 yards converted to mile is: Given 1 ft = 12 in 1 yd. = 3…

450 yards converted to mile is: Given 1 ft = 12 in 1 yd. = 3 ft. 1 mi. = 5280 ft Remember to record your answer to the proper number of significant figures.

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The correct scientific notation for 0.005670 kg rounded to t…

The correct scientific notation for 0.005670 kg rounded to two significant figures is:

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If a person is faced with an immediate life-threatening situ…

If a person is faced with an immediate life-threatening situation the brain chemical _______would be released in large quantity.

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Very low levels of the brain chemical ______________________…

Very low levels of the brain chemical __________________________ can disrupt sleep patterns, increase pain perception, and even cause suicidal thoughts.

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While there are several factors in the risk of a person deve…

While there are several factors in the risk of a person developing an addiction the major risk factor for anyone is

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