The mass of the cube is 12 grams. Calculate the density of the cube using the length measurement values read from the micrometer. Length: 1.05 mm Width: 1.25 mm Height: 0.95 mm width length A. 8.2 g/cm3 B. 13.4 g/cm3 C. 9.6 g/cm3 D. 8.4 g/cm? E. 10.1 g/cm3 height
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- Question 11 One cube is made of uranium and has side length 57.0 cm and one cube is made of an unknown substance with side length 39.0 cm. The mass of the uranium cube is 1.83 times larger than the mass of the unknown cube. The density of uranium is 19 g/cm³: what is the density of unknown cube? NOTE: Please enter your answer with three significant figures. Do not use scientific notation. Do not enter units (but your answer must be in g/cm3). Your Answer:Question Completion Status: 0.5mlm 12 3 45 cm mm Consider the steel ruler shown. Which of the following dimensions can be accurately measured with this ruler? A. 1.25 mm B. 1.5 mm D. All of these dimensions can be measured accurately C. 1.05 mmIf a pirate has a treasure chest with a mass of 20 kg and dimensions of 40 cm x 30 cm x 25 cm, what is the density of the treasure chest? a. 1/3 g/cm^3 b. 2/3 g/cm^3 c. 1 g/cm^3 d. 4/3 g/cm^3
- Question 4 Which of the following answer is the correct conversion factor for converting from kg to m2 тт? Note: 1 kg 1000 g. 1 cm 10 тm, 1 m 100 ст. 10 0.001 1 1000 0.1 100 0.012. Given a solid rock found in an archeological dig. The volume of the rock is measured and found to be 100 cm^3. The rock is weighed and found to have a mass of 1000 grams. What is the density of the rock in units of grams/cm^3? a. 10.0 b. 1000One mole of Gold (Au) atom has a mass of 197 g. We know that the density of gold is 19.30 g/cm3 in room temperature. Using those numbers, answer the following questions: a) What is the mass of a single gold atom in kg? b) Assume that gold atoms sit in a perfect cubic crystal structure. Estimate the distance between two gold atoms in meters. c) If we have a gold cube of 6 cm on each side, how many atoms can we fit along the edge of each side of the cube? d) What would be the mass, in kilograms, of the gold cube we discussed in part (c) (measuring 6 cm on each side)?
- QUESTION 2 Match units with physical quantities. m = meter kg = kilo gram s= second Mass (M) v Volume (V) A. kg m-3 v Velocity Distance B. m3 Time C.m v Length D.ms1 Mass Density E. kg Volume >Imagine that in the measurement of 4.6 cm long metallic cylinder, your measurements in centimeters are (3.0, 3.5, 4.0, 4.5, 5.0, 5.5,6.0). What is the standard error of your length measurement. O 1.08 O 0.022 O 0.22 O 0.41 O2.22the shell is thin, but has a definite thickness. Calculate the (volume) density of the shell, in g/cm3. Here are the numbers: R = 28 cm M = 800 grams thickness = 0.3 mm
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