Ipecac syrup contains the equivalent of 32 grains of ipecac in each fiuidounce of the syrup. How many milligrams of Ipecac is contained in 30 mL of the syrup? O a. 2080 mg O b.208 mg OC. 2.08 mg O d.0.208 mg e. 20800 mg
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- 1. a) A man weighing 765 N is on a bed of nails. Calculate the pressure exerted by each nail if there are 1,000 nails and each tip has a radius r = 0.500mm (5.00 x 104 m). b) Calculate the pressure exerted on the skin by acupuncture needle of radius r = 0.100mm (1.00 x 10 m) applied with a force of 3.00 N. Ans. a. 9.74 x 10³ Pa b. 1.59 x 108 Pa [Note that the Coletta text uses N/mm², which is a needless use of non-SI units.]1. A volume of helium is at a pressure of 120 kPa. The new volume is 48 L after the pressure drops to 90 kPa. What was the starting volume?1. Given 14.00 L of a gas at a pressure of 5.10 atm, what will the volume be if I increase the pressure to 10.50 atm while keeping the temperature constant? 2. Given an initial pressure of 500. atm and a temp. of 150C, what will the pressure be if I increase the temp. to 275⁰C, while keeping the volume constant? 3. Given an initial volume of 20.5 L and a temp. of 50.0 ⁰C, what will be the new volume if the temp. increases to 100 ⁰C, while keeping the pressure constant?
- 5. A gas with volume V, pressure P, and temperature T is inside a container with a moveable piston. No gas is leaking from the container as the temperature of gas is quadrupled while the volume is doubled. What will be the new pressure? A. 2P B. P C. 1/2 P D. 8PA hot air balloon uses the principle of buoyancy to create lift. By making the air inside the balloon less dense then the surrounding air, the balloon is able to lift objects many times its own weight. A large hot air balloon has a maximum balloon volume of 2090 m3. a. If the air temperature in the balloon is 54 °C, how much additional mass, in kilograms, can the balloon lift? Assume the molar mass of air is 28.97 g/mol, the air density is 1.20 kg/m3, and the air pressure is 1 atm.Water vapor at 100 degrees Celsius is put in contact with ice at 0 degrees Celsius and this mixture eventually results in 45 kg of liquid water at 30 degrees Celsius. A. How many kilograms of ice were part of the mixture? B. How many kilograms of steam were part of the mixture?