calculate the amount of heat released by the burning methanol in joules

2.To fully denitrify 1000 gallons of water with a nitrate-N concentration of 17 mg N l-1 ...

a) how many grams of glucose would it take?

b) how many moles of methanol would be required?

c) how many moles of sulfide would be required?

Please explain. Thank you so much!!

The K_f for the formation of Co(NH₃)₆²⁺ is 7.70 × 10⁴.
The K_f for the formation of Co(en)₃²⁺ is 8.70 × 10¹³.

Suppose a 500.0 mL solution contains 1.000 millimoles of Co(NO₃)₂, 200.0 millimoles of NH₃, and 200.0 millimoles of ethylenediamine. What is the concentration of Co²⁺(aq ) in the solution?

Charlotte P. Gilman's "The Yellow Wallpaper."

In "The Yellow Wallpaper" what does the woman behind the wallpaper represent? And why does the narrator come to identify with her?

A liquid containing 60 mol% toluene (Tb = 110 °C) and 40 mol% benzene (Tb = 80 °C) is continuously distilled in a single-equilibrium-stage unit at atmospheric pressure. What percentage of benzene in the feed leaves in the vapour if 90% of the toluene entering in the feed leaves in the liquid. Assume a relative volatility of 2.3 and obtain the solution graphically. The solution may require an iterate approach.

True/False?

Part 1.The rate law for the elementary reaction A + B → products might not be R = k[A][B].

Part 2. If we know the mechanism of a reaction including the values of the elementary rate constants, we can find the rate law (assuming the differential equations can be solved).

Part 3. The Arrhenius equation holds exactly.

Part 4. In homogeneous catalysis, doubling the catalyst concentration will change the rate.

Part 5. A catalyst does not appear in the overall reaction.

Balanced Equation:
2C8H18 + 25O2 --> 16CO2 + 18H20
1, If 4 moles of octane, C8H18, were burned how many moles of oxygen were also used?
a. 30 moles
b. 38 moles
c 50 moles
d 25 moles
2. If you had 50 moles of each reactant present in a flask, which one would be the limiting reactant?
a. C4H10
b. CO2
c. O2
d. H20

e. None, they would tie

How do you calculate the molar fraction of glucose C₆H₁₂O₆ in a solution of water if the vapor pressure of water is 700mmHg in 100 degree celsius?

Solid Silver chloride has an extremely low solubility in water. Calculate the molar solubility of AgCl in a mixture of AgCl(s) and 0.08 M NaCl(aq). Ksp = 1.8 × 10-10

How do you calculate the pH of 1.0 Moles of HClO, HCO2H, and KHCO2?

Write the electronic configuration of the O2− ion.

4 NH3(g) + 5 O2(g) → 4 NO(g) + 6 H2O ∆Hrxn = -906 kJ A) Calculate the heat (in kJ) associated with the complete reaction of 0.127 Kg of NH3. B) What mass of O2 (g) is required to evolve 4605 kJ of energy

Which of these indicators would be appropriate for the following titrations.

Methyl Orange pKa = 4.1   
Bromthymol Blue pKa = 7.0
Phenolphthalein pKa = 9.3

ethylamine titrated with hydrochloric acid

perchloric acid titrated with lithium hydroxide

formic acid titrated with sodium hydroxide

sodium acetate titrated with nitric acid