Thursday

November 20, 2014

November 20, 2014

Posted by **Barb** on Monday, February 18, 2013 at 4:00pm.

- Math-Please Help -
**bobpursley**, Monday, February 18, 2013 at 4:28pmdensity=mass/iron

Now the wording "weighs 45oz" bothers me. This is one reason one should never use English units, it is not clear 45oz mass or force(weight). Nuts to using English units.

Lets assume it is mass.

density=45oz/10in^3*(1 in/2.54cm)^3*1lb/16oz*454grams/lb

= 4.5*454/(2.54^3*16)=7.791g/cm^3

check that

- Math-Please Help -
**Barb**, Monday, February 18, 2013 at 4:50pmThank you!!

**Answer this Question**

**Related Questions**

chemistry 11 grade - A piece of iron wire weighs 2.225g. It is dissolved in ...

12th grade chemistry - A piece of iron wire weighs 2.225g. It is dissolved in ...

physics - a piece of iron has a temperature of 18 degrees celsius. A second ...

physics - An iron wire has a cross-sectional area equal to 1.20 10-5 m2. Carry ...

hct - You add 8.2g of iron to 25.40mL of water and observe that the volume of ...

chemistry - You add 6.4g g of iron to 27.80mL mL of water and observe that the ...

chemistry - You add 9.1 of iron to 25.50 of water and observe that the volume of...

chemistry - a piece of iron measures 10.5cm by 5.25cm by 10.2mm and the density ...

math - if iron weighs 0.25lbs. per cubic inch, an iron bar 8'6" by 4" by 1/2" ...

Chemistry - The density of iron at 25 C is 7.871 g/cm^3 what is the volume of ...