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Copper metal has a density of
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- Heptane and water do not mix, and heptane has a lower density (0.684 g/mL) than water (1.00 g/mL). A 100-mL graduated cylinder with an inside diameter of 3.00 cm contains 29.7 g of heptane and 36.4 g of water. What is the combined height of the two liquid layers in the cylinder in cm? The volume of a cylinder is π r2h, where r is the radius and h is the height.arrow_forwardA chemistry student needs 90.0g of carbon tetrachloride for an experiment. The density of carbon tetrachloride is 1.59g•cm^3. Calculate the volume of carbon tetrachloride the student should pour out. Round your answer to 3 sig figs.arrow_forward1a. Diamond, graphite, and copper have very different properties but are made of networks of atoms. List the properties of each below in the table. Copper Graphite Diamond Melting point (low/high) Color and hardness Malleability and ductility Shiny/opaque/translucent Conductor of heat and electricityarrow_forward
- Dennis obtained a clean, dry stoppered flask. He determined the mass of the flask and stopper to be 32.634 g. He then filled the flask with water and determined the mass of the full stoppered flask to be 59.479 g. Based on the temperature of the water, Dennis found the density of water in the Handbook of Chemistry and Physics to be 0.998730 g/cm3. Calculate the volume of the flask.arrow_forwardOn average, water flows over a particular water fall at a rate of 2.03 x 105 cubic feet per second. One cubic foot of water weighs 62.4 Ib. Calculate the rate of water flow in tons of water per day. (1 ton = 2200 lb) tons/dayarrow_forwardA student finds that 24.96 g of water at 24.9 C(density=0.9971 g/cm3) is required to completly fill an empty flask. The water is removed and completely dried; granular solid copper weighing 51.24g is then added to the flask. With the copper present in the flask, it was determined that 19.24 g of water was required to fill the remaining space in the flask completly 1.) volume of the empty flask 2.) volume of the copper 3.) density of the copperarrow_forward
- A chemist bought a small piece solid figurine suspected to be gold. Knowing that gold has a density of 19.3 g/cm^3, he chemist decides to determine its density. The figurine is put into a graduated cylinder that contains 32.6 mL of water. The reading with the figurine in the water is 45.2 mL. The mass of the figurine is 225.1g. Is the figurine made of pure gold? explain your reasoning.arrow_forwardThe density of ammonia gas under certain conditons is 0.625g/l. Calculate the density in g/cm^3arrow_forwardConvert 71.20 dyn/cm to g/s^2.arrow_forward
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