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A solution formed by mixing 11.0 ml of 0.110 M HBr with 25.0 Ml of 0.190 M HCl.what is the ph of the strong acid?
Heat is lost to the styrofoam calorimeter. Assuming a 6.22 C temperature change for the reaction of HCl(aq) with NaOH(aq), calculate the heat loss to the inner 2.35-g styrofoam cup. The specific heat of styrofoam is 1.34 J/gC.
A chemist has 4 moles of C2H6 to use in the study. How many moles of O2 will be needed in order to react all of the C2H6?
The Solubility of Mg(OH)2 (s) in wataer at a certain temperature is 1.0 x 10^-4 mol/L. Calculate the value of Ksp for Mg(OH)2 (s) at this temperature.
an airplane is pressurized to 650 mmhg. The partial pressure of oxygen is 137 mmhg. If the partial pressure of oxygen drops below 100.mmhg.
Assume no heat is lost to the surroundings. The normal boiling point of methane is -161.5 C. The specific heats of liquid and gaseous methane are 3.48 and 2.22 J/g.K, respectively. A)liquid B)gaseous C)solid
A sample of nitrogen gas is collected over water at a temperature of 23.0 degrees Celcius. What is the pressure of the nitrogen gas if atmospheric pressure is 785 mm Hg?
What weight of chlorine gas will be needed to react completely with 85.8g of potassium iodide in a single replacement reaction.
What is the coefficient of H2O when the following equation is properly balanced with smallest set of whole numbers?
giving that water has a molar enthlphy of vaporization of 40.79 kJ/mol, how many grams of water could be vaporized by 623 J
75.0 mL of a 1.80 M solution is diluted to a volume of 258 mL. A 129-mL portion of that solution is diluted using 187 mL of water.
Explain, phenomena in terms of atomic structure and behavior. When you lightly bump into a car, why does it dent and not create a hole.
Which one of the following would slow the rate of increase of atmospheric CO2? Building and operating more coal-fired power plants
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