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Chapter 1: Q61E (page 9)

Soccer is played with a round ball having a circumference between 27 and 28 in. and a weight between 14 and 16 oz. What are these specifications in units of centimeters and grams?

Short Answer

Expert verified

68-71cm, 400-450g.

Step by step solution

01

Common conversion factor:

02

Unit conversion factor for inches to cm:

If there are two equivalent amounts that are symbolized in different measuring units in a ratio format, then it is called a unit conversion factor.For example, the lengths of 2.54 cm and 1 in. are equivalent (by definition). Hence the ratio can be used to calculate a unit conversion factor.

\(\frac{{2.54\,{\rm{cm}}}}{{1\,{\rm{in}}}}\) (2.54cm per 1 in).

03

 Step 3: Unit conversion factor for oz to grams:

If there are two equivalent amounts that are symbolized in different measuring units in a ratio format, then it is called a unit conversion factor. The conversion factor of oz to grams is 28.34gms to 1 oz.

\(\frac{{28.34{\rm{gm}}}}{{1\,{\rm{oz}}}}\)(28.34g per 1 in)

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Most popular questions from this chapter

The volume of a sample of oxygen gas changed from 10 mL to 11 mL as the temperature changed. Is this a chemical or physical change?

A large piece of jewelry has a mass of 132.6g. A graduated cylinder initially contains 48.6 mL water. When the jewellery is submerged in the graduated cylinder, the total volume increases to 61.2 mL.

a) Determine the density of this piece of jewelry.

b) Assuming that the jewellery is made from only one substance, what substance is it likely to be? Explain.

Question: Calculate these masses

a) What is the mass of 6.00 cm3 of mercury, density = 13.5939 g/cm3?

b) What is the mass of 25.0 mL octane, density = 0.702 g/cm3?

Identify each of the following statements as being most similar to a hypothesis, a law, or a theory. Explain your reasoning.

(a) Falling barometric pressure precedes the onset of bad weather.

(b) All life on earth has evolved from a common, primitive organism through the process of natural selection.

(c) My truck’s gas mileage has dropped significantly, probably because it’s due for a tune-up

Question: To prepare for a laboratory period, a student lab assistant needs 125g of a compound. A bottle containing ¼ 1b is available. Did the student have enough of the compound?
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