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The reaction for producing glucose in plants is called photosynthesis is 6CO2+6H20=C6H12O6+6O2. if a plant produce 6.26 mol of C6H12O6, how many moles of CO2 are needed
Calculate the pH of a buffer solution that is 0.250 M in HCN and 0.170 M in KCN. For HCN, Ka = 4.9 x 10^-10 (pka = 9.31). Use the equilibirum approach to calculate
The element chromium is thought to be a cancer causing agent. Chromium in the form of the chromate ion in a water soluble compound presents a risk to humans
Calculate the pH after the addition of 0.0048 mol of NaOH and Calculate the pH after the addition of 0.018 mol of HCl.
How much work is done when 18.0 grams of water vaporize at 100.°C under constant external pressure of 1.00 atm. The equation is: w=-P(delta change)V = -1.00atm * 30.62 L = -30.62 L atm ...and the answer is -3.10 kJ... How do you arrive at -3.10kJ ..
what is the hybridization of phosphorus in the phosphonium ion (PH4+)
0.75g of hydrogen chloride is dissolved in water to make 2.5L of solution. What is the pH of the resulting hydrochloric acid solution.
If the symbol X represents a central atom, Y represents outer atoms, and Z represents lone pairs on the central atom, the structure Y--X(with 2 lone pairs)--Y can be abbreviated as XY2Z2
An unknown gas is found to effuse at a rate that is 1.864 times faster than Br2 at the same temperature. What is the identity of the gas.
When 6.533 g of silver nitrate reacts with excess aluminum, how many grams of silver metal and aluminum nitrate forms?
Explain the efffect of temperature on the solubility of gases in liquid? What effect does pressure have on the solubility of gases in liquid( Henry's Law)?
At 0.0 C, if the volume of air is 2 mL and the pressure of the atmosphere that day is 665 mmHg, what is the number of moles of air?
Balance the following chemical reaction using the lowest integer coefficients, in acidic conditions I?(aq) + BrO3?(aq) ? HIO(aq) + Br?(aq)
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