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How many grams of glucose (C6H12O6) must be dissolved in 563 gram of ethanol (C2H5OH) to prepare a 2.40 x 10-2 m solution?
The initial concentration of some weak acid, HA, in an aqueous solution is 0.2150 M, at equilibrium the concentration of HA becomes 0.0955 mol/L.
.850 L of 0.410 M H2SO4 is mixed with .800L of .240 M KOH. what concentration of sulfuric acid remains after neutralization
Determine the precipitate that forms if silver nitrate aqueous solutions and KCl react to produce products in a double-replacement reaction.
Explain briefly that how HCl could test for limestone's presence , use the balanced chemical equation for this and then describe specific reaction that takes place?
a system conducts 192 cal of heat to the surroundings while delivering 322 cal of work. what is the change in internal energy of the system (in cal)?
A 3.77g sample of oxalic acid (H2C2O4x2H2O) was dissolved in enough water to make 1000 mL of solution. Then 17.15mL of this oxalic acid solution was titrated to the end point with 22.05mL of an unknown sodium hydroxide soloution.
Which of the intermolecular forces is the most important contributor to the high surface tension shown by water and What is the quantum of light called?
Explain Pressure of dry butane gas, Chemistry lab write up and I have to determine the pressure of the dry butane gas.
An unknown mass of each of the given substances as with The final temperature is recorded as indicated 1.Pyrex glass (tf=67.6 C), 2.Sand (tf=70.4 C), 3.ethanol (tf=45.9 C), initially at 19.0 degrees celsius, absorbs 1930 Joules of heat
Concrete used in road construction is reinforced using steel bars in a grid, known collectively as "rebar." After many years, rebar will begin to corrode, and the concrete will weaken.
Determine the molality of a solution prepared by dissolving 0.500 moles of CaF2 in 11.5 moles H2O.
If the temperature of the water in your reaction bowl is 23 C, what is the temperature of the hydrogen gas.
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