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- A) What is an equation to equate KE and GPE? B) A gas is held in a container of 15 m^3 in volume and a pressure of 5 Pa. If the volume isincreased to 26 m^3 what is the pressure of the gas? c)A syringe has a volume of 5 cm^3 and a temperature of 300 k. Upon heating the syringeexpands to a volume is now 5.5cm^3, what is the temperature of the syringe?In 12.0 g of carbon, there are NA = 6.02 x 10^23 carbon atoms (Avogadro’s number). If you could count 1 atom per second, how long would it take to count the atoms in 1.00 g of carbon? Express your answer in years.The element neptunium has a density of 19.6 g/ml. What is the radius of a sphere of this material if it has a mass of 70kg? V=4/3pi r^3
- The active ingredient in the allergy medication Claritin contains carbon (C), hydrogen (H), chlorine (Cl), nitrogen (N), and oxygen (O). Its molecular formula is C22H23Cl N2O2. The standard adult dosage utilizes 1.424 x 1019 molecules of this species. Determine the mass (in grams) of the active ingredient in the standard dosage.The molecular formula of aspartame, the artificial sweetener marketed as NutraSweet Ⓡ, is C14H18 N2O5. How many moles of aspartame are present in 4.50 mg of aspartame? Express your answer using three significant figures. | ΑΣΦ n= ? molCalculate the formula weight of (a) Al1OH23, (b) CH3OH,and (c) TaON.
- The molecular formula of aspartame, the artificial sweetener marketed as NutraSweet Ⓡ, is C14H18 N2O5. How many molecules of aspartame are present in 4.50 mg of aspartame? Express your answer using four significant figures. VE ΑΣΦ N = ? moleculesA 5.50 L sample of neon at 6.67 atm is added to a 10.0 L cylinder that contains argon. If the pressure in the cylinder is 7.63 atm after the neon is added, what was the original pressure (in atm) of argon in the cylinder? Hint is given in the feedback. Answer: 6.3315 Hint, what pressure would the neon have in the second container if no argon were present?Find the K.E. (1) per cm³ (2) per mole (3) per gram and (4) per molecule of nitrogen at N.T.P. (Molecular weight of N₂ 28, Normal pressure = 76 cm of mercury, density of Hg 13.6 gm/cm³ g = 980 cm/s², Avogadro's number 6.023 x 1023 molecules/mole. (R = 8.314 x 10² erg/mole K)
- If the osmotic pressure of the blood is within (100 psi) at a temperature of (37°C). How much glucose must be used per (L1) for intravenous purposes so that its osmotic pressure equals the osmotic pressure of the blood. Note that,R = 0.0821 L. atm. K-1. mol and the molecular weight of glucose g/mole 180A sample of oxygen gas has a volume of 2.50L at STP. How many grams of O, are present?In the 1930s, the biologist Max Kleiber studied animals' metabolic rates. He 3 4 1 expressed the ratio of the rates for two animals by the relation where "1 %3D m1 and 2 are the animals' metabolic rates and m1 and m2 are the animals' masses. a) Compare the metabolic rates of a 70-kg man and a 15-kg dog. b) Compare the metabolic rates of a 5-kg cat with that of a 50-g mouse. c) Compare the metabolic rates of a 10-g hummingbird and a 5000-kg elephant.