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How much ice (in grams) would have to melt to lower the temperature of 352 mL of water from 24^\circ C to 4^\circ C? (Assume the density of water is 1.0
when h2g reacts with c2h4g to form c2h6g 137 kj of energy are evolved for each mole of h2g that reacts.write a balanced
Hydrogen iodide decomposes according to the equation: 2HI(g) H2(g) + I2(g) Kc = 0.0156 at 400°C. A 0.57 mol sample of HI was injected into a 2.0 L reaction vessel held at 400°C. Calculate the concentration of HI at equilibrium.
Determine the specific heat capacity in (J/g degrees C) of an alloy that requires 84.2kJ to raise the temperature of 394.0g alloy from 348K to 448K.
A first-order reaction has a rate constant of 0.33 y-1. How many years does it take for the concentration of the reactant to decrease from 0.13 M to 0.088 M?
The Ni2 extracted from the column was treated witn 25.00 mL of 0.05804 M EDTA. How many milliliters of 0.02282 M Zn2 is required for the back titration of the Ni2 solution?
Each component contains different metals and minerals. The pebbles and shells can easily be separated from the sand. Which term or terms could be used to describe this sample of sand?
When determining the acid content in prepared yellow mustard by adding NaOH and water, how do you find the mass of CH3CO2H reacted?
What mass of oxygen gas is required in order to release 6670 kJ of heat to the surroundings by the following reaction
Powdered Iron is added to a solution of Iron III sulfate, what happens. Please provide a narrative explanation.
A biochemical engineer isolates a bacterial gene fragment and dissolves a 19.6 mg sample of the material in enough water to make 37.9 mL of solution. The osmotic pressure of the solution is 0.340 torr at 25°C.
Which metal would provide the worst protection for an iron pipe buried in the ground if attached to an iron pipe, Ag, Cu, Zn, Mg
The normal boiling point of 1-butanol is 117.8 C. 1-butanol (l, 1 atm) ? 1-butanol(g, 1atm) delta H=43.82 kJ Calculate the boiling point of 1-butanol when the barometric pressure is 47 mmHg
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