help on #9 please Practice Lecture Exam #1/AChem 3A - B. DemmonsSI Leader. Nathan YbanezGive all calculated answers in 3 significant figures.1.1) Which of the following has the greatest mumber of significant figures?a).1412b) .0075c) 4.51d) 14,100ii) Which of the following has the least number of significant figures?a) .00945b) 10.57c) 610d) 19.22. T/F: The ability of a metal to oxidize (nust) is a chemical propertyT/F: Melting ice is a physical chamngeT/F: Homogeneous refers to the ability to distinguish the components of a mixture.T/F: An object's color is a physical property.T/F: An objectťs boiling point is a chemical property.T/F: In a mixture, the solvent is the substance doing the dissolving and the solute is the substance being dissolved.3. Which of the following is NOT a characteristic of a non-metal?b) shinya) crumblesc) dulld) powdery4. Potassium chlorate (KC10;) breaks apart into potassium chloride (KCI) and oxygen gas (O2) when heated withmanganese dioxide as a catalyst. It also has a boiling point of 400°C. The breakdown of KCI1O; is aproperty.b) physical, physicalchange and its boiling point is aa) physical, chemicalc) chemical, chemicald) chemical, physical5. i) Which might appear to be a homogeneous mixture?b) orange juice w/ pulpa) salt waterc) vegetable oil d) salad dressing e) a and cii) Which might appear to be a heterogeneous mixture?b) soild) Gatoradee) none of thesea) bloodc) sugar water6. i) Which method would be used to separate a heterogeneous liquid-liquid mixture?b) separatory funnelc) distillationd) filtrationa) evaporationii) Which method would be used to separate a homogeneous solid-liquid mixture?b) evaporation c) separatory funneld) distillationa) filtration7. How many kilojoules of energy are required to raise the temperature of 448g of water from 39°C to 50°C?8. If it takes 849 J of energy to raise the temperature of 218g of an unknown metal from 50°C to 68°C, what is themetal's specific heat?10. It took 4.15 x 105 J of energy to raise the temperature of a piece of copper metal from 31°C to 84°C. What is themass of the piece of metal? The specific heat of copper is .0908 cal/g°C.9. What volume will be occupied by a piece of silicon weighing 61.7g if the density of silicon is 2.33 g/cm³?12. At one time, silver sold for $5.03 per ounce. If the density of silver is 10.5 g/cm³, calculate the cost of 8.91 cmof silver at that price. (Give this answer in 4 sig figs)11. The density of magnesium metal is 1.74 g/cc. What is the mass of 85.1 cc of magnesium?13. The Nutrition Facts on a 12-pack of Dr. Pepper specify that a single serving is one can and that a single servingcontains 80 Calories. How many kilojoules of energy are contained in two thirds of the entire 12-pack?

Question

Accepted Answer

Given, 
Weight of silicon = 61.7 g 
Density of silicon = 2.33 g/cm3 
Volume of silicon = ?

metal's specific heat? 9. What vohume will be occupied by a piece of silicon weighing 61.7g if the density of silicon is 2.33 g/cm³? fo niece of coDpEr metal from 31°C to 84°C. What