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1. Which occupies a larger volume, 600 g of water (with a density of 0.995 g/cm3) or 600 g of lead (with a density of 11.35 g/cm3)? Energy Units
2. You are on a diet that calls for eating no more than 1200 Cal/day. What is this energy in joules?
3. A 2-in. piece of chocolate cake with frosting provides 1670 kJ of energy. What is this in dietary Calories (Cal)?
What is the pressure inside a system when the system-side column in an open mercury manometer is 75.0 mm lower than the atmosphere side when the atmospheric pressure is 735 mm Hg?
What is the percent-yield of H2 in the reaction below when an equimolar mixture of CH4 and CO2 with an initial total pressure of 20.0 atm reaches equilibrium at 1200. K, at which Kp = 3.548 x 106?
Question- What is the percent yield of water if 0.90 g of water is obtained when 29.0 g of butane is burned in excess oxygen
Calculate the molarity of the following solutions 1.50moles of glucose in 4.50L of glucose solution
A weak monoprotic acid is titrated with NaOH and the following data is recorded. Calculate the molar mass of the weak acid.
What is the specific heat of titanium in J/(g. oC) if it takes 89.7J to raise the temperature of a 33.0g block by 5.20 oC? What is the molar heat capacity of titanium in J/mol . 0C)
What is the pH of the solution during the titration when the following volumes of the NaOH have been added to 34.5-mL of the acid.
A natural gas mixture is burned in a furnace at a power-generating station at a rate of 13.0 mol per minute. (a) If the fuel consists of 9.3 mole CH4, 3.1 mole C2H6, 0.40 mol C3H8, and 0.20 mole C4H10, what mass of CO2 (g) is produced per minute? ..
Calculate the transformation rate for the austenite-to-pearlite transformation at 650 °C and at 600 °C. Show the relationship(s) you used to arrive at your answers.
A 0.0100 molal aqueous solution of a weak acid freezes at -0.0219 oC. Calculate the percent ionization of the weak acid, HA.
What is the ionization constant of an acid if the hydronium ion concentration of a 0.500 M solution is 1.70 x 10-4 M
hydrogen cyanide is produced industrially from the reaction of gaseous ammonia oxygen and methane 2nh3 g 3o2g 2ch3g
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