questions 1.125 gravity7 e Calculate the floor /i Convert 32 lb/ Applications 1.

Question

questions 1.125

gravity7 e Calculate the floor /i Convert 32 lb/ Applications 1.115 Convert 500F to; b. K 1.116 Convert -10.0 F to: every blood. How many How many 1.117 b. K 1.117 Convert 20.0°C to: how many drops em 1.992 C. To what Fahr a. K b.sF Convert 300.0 K to: 1.118 ANT b 9 oz. Describe 1.119 The combustion of a peanut releases 6 kcal of heat. Convert this energy to J energy available from the world's total petroleum J. Convert this energy to 1.120 The reserve is estimated at 2.0 x 10 kcal. Atom meter of his .121 Calculate the density of a 3.00 102-g object that has a ga ution y and back volume of 50.0 mL. 5 m, respec- feet: 435 ft 1.122 Calculate the density of 50.0 g of an isopropyl alcohol-water Aci mixture (commercial rubbing alcohol) that has a volume of ; Aci 63.6 mL determine 1.123. What volume, in L, will 8.00 x 10 g of air occupy if the den- 1.124 In Question 1.123, you calculated the volume of sity of air is 1.29 g/L? 8.00 × 10° g of air with a density of 1.29 g/ L. The tem- perature of the air sample was lowered and the density increased to 1.50 g/L. Calculate the new volume of the air sample. What is the mass, in g, of a piece of iron that has a volume of 1.50 × 102 mL and a density of 7.20 g/mL? weighed he end of termine lly and 1.125 1.126 What is the mass of a femur (leg bone) having a volume of 118 cm ? The density of bone is 1.8 g/cm

Explanation / Answer

1.125 Density = mass volume

mass = density x volume

Given: density of piece of iron = 7.20 g/mL Volume = 1.50X 102 mL = 150mL

mass of iron piece = (7.20g/mL)(150mL) = 1080g

mass of iron piece = 1080g

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