A student immersed in an object in a graduated cylinder containing 25 mL water causing the water to rise to 30 mL. If the object has a mass of 10 g., what is the density of the object? a. 3.0g/ml b. 0.5g/ml c. 2.0 g/ml d 25 g/ml

9. A 10.00 g piece of metal is submerged in a graduated cylinder initially containing 20.00 mL of water. With the metal in the cylinder, the level of the water is recorded as 21.40 mL. Determine the identity of the metal. a. aluminum (density = 2.70 g/mL) b. zinc (density = 7.13 g/mL) C. silver (density = 10.49 g/mL) d. gold (density = 19.32 g/mL) %3D

1. An irregularly shaped piece of halite (salt) has a mass of 220 g. In order to find its volume without dissolving it, it is submerged in oil, which has a density of 0.80 g/cm³. The sample displaces 100 ml of oil. What is the density of the sample? A. 2.8 g/cm³ B. 2.2 g/cm³ C. 1.8 g/cm³ D. 0.45 g/cm³

Which of the following numbers conforms to the scientific notation conventions? A. 0.123 x 109 B. -1.23 x 1012 C. 1.23 x 102.1 D. 12.3 x 106

Complete the following  conversions between SI units.  A. 612 g=___mg B. 8.160 m=___cm C. 3779 ug= ___g D. 781 mL =___L E. 4.18 kg=___g

The number 1960900, when rounded off to 4 significant figures, would appear as _______   a. 1.961 x 10-6    b. 1961   c. 1960   d. 1.961 x 106

How many significant figures are reported in measurement of the mass of object shown below? a. 5 significant figures b. 4 significant figures c. 3 significant figures d. 2 significant figures

Estimate the length of the black object on meter stick B a. 1.74 cm b. 1.7 cm c. 1.743 cm d. 1.60 cm

Which on of the following substances will float in gasoline, which has a density of 0.74 g/mL? The density of each sunstance is shown in parentheses.  a.) table salt (D=2.16 g/mL) b.) balsa wood (D=0.16 g/mL) c.) sugar (D=1.59 g/mL) d.) aluminum (D=2.70 g/mL) e.) mercery (D=13.6 g/mL)

Intensive property is a property that does not depend on the amount of a substance. Which of the choices below is NOT an intensive property?    C. hardness of metals D. heaviness of a golf ball B. yellowish coloration of urine A. the sweetness of candies