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A sky diver steps from a high-flying helicopter. If there were not air resistance, how fast would she be falling at the end of a 12 second jump?
Formic Acid (HCOOH) is secreted by ants. What is the pH of a 1.00L solution that contains .025 mole of HCOOH and .025 mole of HCOONa give that the Ka for formic acid is 1.8*10^-4
A certain reaction has an activation energy of 70.0 kj/mol and a frequency of factor A1=7.80*10^12 M^-1 s^-1. what is the rate constant, k of this reaction at 24.0 degrees celcius.
CO(g) + 2H2(g) = CH3OH(g) , what is the equilibrium constant? , where CH3OH = 0.0412 atm, H2 = 0.274 atm, CO = 0.914 atm.
the nutritional calorie calorie is equivalent to 1 kcal. onepound of body fat is equivalent to about 4.1 multiplied by
The osmotic pressure of an aqueous solution at 300 K is 120 kPa. Calculate the freezing point of the solution. (Kf=1.86 K kg mol^-1 for water)
Develop an interactive reversed Brayton ASC computer program that utilizes constant specific heat ideal gas equations of state as the source of the enthalpy values.
What is the vapor pressure of this solution at 30°C? (The vapor pressure of water is 31.8 mmHg at 30°C.)
if 1.56g of a gas has a volume of 1.00 l at .984 atm and 50 degrees celcius what is the molar mass of the
A gas of unknown molar mass was allowed to effuse through a small opening under constant pressure conditions. It required 184 s for 1.00 L of this gas to effuse.
If 6.15 mol of ethane (C2H6) undergo combustion according to the unbalanced equation C2H6 + O2 -! CO2 + H2O, how much oxygen is required
H ow many moles of oxygen are formed when 58.6 g of KNO3 decomposes according to the following reaction? The molar mass of KNO3 is 101.11 g/mol. 4 KNO3(s) ? 2 K2O(s) + 2 N2(g) + 5 O2(g)
Give the structure of the products that you would expect from the reaction of 1-butyne with each of the following: a) 1 mol equivalent of BR2 b) 1 mole equivalent of HBr c) H2 in excess/Pt, then 3 mol equivalent of NaNH2 and then CH3I d) NaNH2 the..
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