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You mix Benzene solvent and diethyl ether. Thoroughly talk about how well the two compounds mix in terms of intermolecular forces as well as the energetic of solution formation. Talk about whether this solution would follow Raoult's Law.
419 kJ of energy is required to ionoze potassium. what is the minimum frequency of light required to ionize potassium
What wavelength corresponds to the transition n=5 to n=3 in the hydrogen atom. What type of radiation is this
Caffeine is a stimulant found in coffee and tea . A solution of caffeine in chloroform as a solvent has a concentration of 7.9 x 10^-2m. What's the percent of caffeine by mass? Calculate the mole fraction of caffeine.
How do you find the final temperature of a solution given temperature mass and the standard enthalpy change assuming the specific heat of the solution is the same as water
If a sample of dry nitrogen occupies 447mL at STP. Define what would its volume be if it were collected over water at 26 degrees Celsius and 750torr
a patient needs to take 625 mg of ibuprofen twice daily. the pills in the bottle are each 250. rm mg. how many pills
State balanced reactions for the bromine as well as permanganate tests for 1-methylcyclohexene. Explain which one of the following compounds would give tests positive- cyclopentane, 2-chloropentane, cyclopentene.
Explain a gaseous fuel mixture stored at 748mmHg as well as 298K contains only methane (CH4) and propane (C3H8). While 11.8L of this fuel mixture is burned it produces 779kJ of heat.
State a balanced equation for the reaction of aqueous sodium carbonate with aqueous nitric acid to yield CO2, NaNO3, and H2O.
Calculate the heat released when 1.95 L of Cl2(g) with a density of 1.88 g/L reacts with an excess of sodium metal at 25°C and 1 atm to form sodium chloride.
Analysis with an elaborate instrument indicates that substance A contains two elements. Substance B and substance C react to give a new substance D. Substance E decomposes upon heating to give substance F and substance G. Heating substance H to 10..
A gas is confined to a cylinder under constant atmospheric pressure P. When the gas undergoes a particular chemical reaction, it releases 79 kJ of heat and does 18 kJ of PV work on its surroundings.
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