Question:

I need help with chemistry??

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1. Identify the SI unit that would be most appropiate for meausuring the mass of eachof the following objects:

a. table

b. coin

c. a 250 mL beaker

2. What is the volume, in cubic meters, of a rectangular solid that is 0,25 m long, 6.1 m wide, and 4.9 m high?

3. Find the density of a material, given that a 5.03 g sample occupies 3.24 mL.

4. What is the mass of a sample material that has a volume of 55.1 cm3 and a density of 6.72 g/cm3?

5. Identify the SI unit that would be most appropiate for espressingthe length of the following;

a. width of gymnasiam

b. length of finger

c. distance between your town and the closest border of the next state.

d.length of a bacterial cell

6. A sample of a substance that has a density of 0.824 g/mL has a mass of 0.451 g. Calculate the volume of the sample.

7. Label each of the following meausurements by the quantity each represents. For instance, a measurement of 10.6 kg/m3 represents density.

a.) 5.0 g/mL b.) 37 s c.) 47 J d.) 39.56 g e.) 25.3 cm3

f.) 325 ms g.) 500 m2 h.) 30.23 mL i.) 2.7 mg J.) 0.005 L

8. Complete the following conversions:

a. 10.5 g = ____ kg

b. 1.57 = _____m

c. 3.54 ug = ____g

d. 3.5 mol = ____umol

e. 1.2 L = ____mL

I know its a lot and im soooo sorry but please help will be very much appreciated!!! THANKS =)

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  1. i think its your home work???????

    Answer:

    Q1 a:kilogram Kg

          b: miligrams   mg

          c: grams      g

    Q2  7.47cubic meters

    Q3 1.55

    Q4: 370.272

    Q5:a:meters

         b:centimeter

         c:kilometer

         d: micrometer

    Q6:1.827mL

    Q7:a:density b:time c:energy d:mass e:volume f:time g:area h:volume

    i:mass j:volume

    Q8:a:.0.0105kg b:its wrong i thing u missed the unit with1.57

    c:0.00000354 g d:3540000ug e:1200mL

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