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Question: Nitrogen and hydrogen gases react to form ammonia gas. N2(g) + 3 H2(g) 2 NH3(g) At a certain temperature and pressure 1.4 L of N2 reacts with 4.2 L of H2. If all the N2 and H2 are consumed, what volume of NH3, at the same temperature and pressure, will be produced?
Which of the following substances would have a standard enthalpy of formation equal to O kj/mol. Select all that apply
Use the standard half-cell potentials listed below to calculate the standard cell potential for the following reaction occurring in an electrochemical cell at 25°C.
Calculate the pH at the points in the titration of 20.00 mL of 0.318 M NH3 of 0.470 M HCl have been added. For NH3, K_b=1.8*10^-5.
Estimate the emissions of each compound produced in m3 measured at SC per metric ton (1000 kg) of No.6 fuel oil burned in an oil-fired burner with no emission controls given the following data
Chemical Syntheis :At the end of the reaction you are to add ice. Which of the following are reasons for the adding ice. The melting ice dilutes the concentrated acids. The ice cools the reaction thus slowing it down to the point where it is effectiv..
A 100. mL sample of 0.10 M HCl is mixed with 50. mL of 0.11 M NH3. What is the resulting pH. (Kb for NH3 = 1.8 x 10^-5)
Phosphorus pentachloride is used in the industrial preparation of organic phosphorus compounds. Equation 1 shows its preparation from PCl3 and Cl2.
What is the final concentration of copper in the flask b)what is the uncertainty in the value of the copper concentration?
Consider the reaction below. N2(g) + O2(g) ? 2 NO(g) Part A: How many moles of NO are obtained when 0.032 mol of N2 is completely reacted?
A sample of gas has a volume of 3.40L at 10.0C what will be its volume be at 100C pressure rremaining constant
classify each solute represented in the following equations as a strong, weak, or nonelectrolyte: a)CH3-OH(l) H2O> CH3-OH(aq). b)MgCl2(s) H2O> Mg2+(aq) + 2Cl-(aq). c) HClO(aq) H+(aq) + ClO-(aq)
Calculate the mass of propylene glycol that must be added to 0.360 of water to reduce the vapor pressure by 2.88 torr at 40°C (Pressure of H2O is 55.3 torr at 40°C ).
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