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A tire has a pressure of 780 mmHg at 27°C. If the tire is heated to 47°C on hot pavement, what the new pressure will be:
A reaction is second-order with respect to the reactant R. Which of the following plots will produce a straight line? A) [R] vs. 1/time B) 1/[R] vs. time C)[R]2 vs. time D)1/[R]2 vs. time E) In[R] vs. time
What concentration of glucose will be isotonic with 1.2% CaCl2 solution? Assume a van't Hoff factor of 2.8 for the CaCl2 solution. The molar masses of glucose and CaCl2 are 180.2 g/mol and 111.0 g/mol, respectively.
A student adds 0.1 mol of oxalic acid (H2C2O4) and 0.1mol of sodium dihydrogen phosphate to enough water to make 1.0L of solution. The following equilibrium is established with Kc from this reaction greater than 1
Which statement about alcohols is not correct?
The solubility product of PbBr2 is 8.9 X 10^(-6). Determine the molar solubility in the pure water.
so2 no2-----so3 noif the kc for the reaction is 2.50 what are the equilirium concentrations of the products if the
Calculate the volume of a sample of carbon monoxide at -23°C and 289 torr if it occupies 3.65 L at 298 K and 732 torr
Balance the following reactions. You may have to supplement the reaction with H+, H2O, or OHdepending on the reaction conditions
Consider the following specific heats: copper, 0.384 J/g.oC; lead, 0.159 J/g.oC; water, 4.18 J/g.oC; glass, 0.502 J/g.oC. If the same amount of heat is added to identical masses of each of these substances at same initial temperature
At a pressure of 1.00 atm and a temperature of 20ºC, 1.72 g CO2 will dissolve in 1 L of water. How much CO2 will dissolve if the pressure is raised to 1.35 atm and the temperature stays the same?
at 84 degrees C the total vapor pressure of a solution contains 1.2 moles A and 2.3 moles B is 331 mmHg. Upon the addition of another mole of B to the solution, the vapor pressure increasing to 347mmHg.
Consider the following cell: Pt|H2(g, 0.645 atm)|H (aq, ? M)||Ag (aq, 1.00 M)|Ag(s) If the measured cell potential is 1.20 V at 25 °C and the standard reduction potential of the Ag /Ag half-reaction couple is 0.80 V, calculate the hydrogen ion con..
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