Chapter E- P.P

Question 1

4.562*3.99870/(452.6755-452.33)

Answer 1

53

Question 2

(14.84*0.55)-8.02

Answer 2

.1

Question 3

2.5110*21.20/(44.11+1.223)

Answer 3

1.174

Question 4

(12.01*0.3)+4.811

Answer 4

8

Question 5

A metal cube has an edge length of 11.4 mm and a mass of 6.67 g. Calculate the density of the metal and refer to Table E.4 to determine the likely
identity of the metal.

Answer 5

4.5- Titanium

Question 6

Convert 288 cm to yards.

Answer 6

3.15 yd

Question 7

Convert 9255 cm3 to gallons.

Answer 7

2.445 gal

Question 8

A vineyard has 145 acres of Chardonnay grapes. A particular soil supplement requires 5.50 g for every square meter of vineyard. How many
kilograms of the soil supplement are required for the entire vineyard? (1 km2 = 247 acres)

Answer 8

3.23*10^3 kg

Question 9

A drop of gasoline has a mass of 22 mg and a density of 0.754 g>cm3. What is its volume in cubic centimeters?

Answer 9

2.9*10^-2

Question 10

Backpackers often use canisters of white gas to fuel a cooking stove’s burner. If one canister contains 1.45 L of white gas and the density of the gas
is 0.710 g>cm2, what is the mass of the fuel in kilograms?

Answer 10

1.03 kg

Question 11

Find the radius (r) of an aluminum
cylinder that is 2.00 cm long and has
a mass of 12.4 g. For a cylinder, V = pi(r)^2
l.

Answer 11

0.855 cm

Question 12

33.2 * 10^-4 m -> mm

Answer 12

3.32 mm

Question 13

(*) In the SI metric system, which power of ten is associated with the prefix µ?

Answer 13

10^-6- micro

Question 14

(*) Convert 45 ºF to K.

Answer 14

280.4 K

Question 15

(*) You have a sphere with a mass of 2.64 oz that has a radius measuring 1.24 in What is the density of the sphere in g/L? 1 in = 2.54cm (exact), 1 oz = 28.35g and 1 mL = 1 cm3. Volume of a sphere is 4/3pi(r)^3.

Answer 15

572 g/L

Question 16

(*) What is the density of a sphere in g/cm3 that weighs 0.0345 lb and has a radius of 0.451 inches?
Vsphere = (4/3)pi(r)^3 ….1 lb. = 453.6g…1 in. = 2.54 cm.

Answer 16

2.49 g/cm3

Question 17

(*) What is the mass (in kg) of a block of magnesium (Density: 1.738 g/cm3) with a volume of 24.3 mm3?

Answer 17

4.22 x 10^-5 kg

Question 18

(*) Convert 123 lb/in2 to kg/m2. 1 in = 2.54 cm (exact) and 1 kg = 2.2046 lb.

Answer 18

8.65 x 10^4 kg/m2

Question 19

(*) At a pressure of one billionth (10-9) of atmospheric pressure, there are about 2.7 x 1010 molecules in one cubic centimeter of a gas. How many molecules is this per cubic meter?

Answer 19

2.7 x 10^16

Question 20

(*) Gasoline costs $1.75 per gallon. What mass of gasoline can be bought for $5.00?
Given: 3.78 liter = 1.00 gallon Density of gasoline: 0.850 g/cm3

Answer 20

9.18 kg

Question 21

(*) Which of the following is not a base unit of the Système International?
A.  kg
B.  m
C.  s
D.  mol 
E.  L

Answer 21

E

Question 22

(*) The density of gold is 19.3 g/cm3. What is the density of gold in lb/in3?

Answer 22

0.697

Question 23

(*) Convert 55.6 F to kelvins.

Answer 23

286.3 K

Question 24

(*) What is the volume, in L, of a box that is 8.00 in on a side? 1 in = 2.54 cm exactly

Answer 24

8.39

Question 25

(*)The value 0.289 lb/in3 expressed in g/cm3 is: | Note: 1 lb. = 453.6 g and 1 in. = 2.54 cm.

Answer 25

8 g/cm^3

Question 26

(*) What temperature is numerically the same in both oC and oF?

Answer 26

-40