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A 100.0-g sample of water at 27.0 oC is poured into a 77.4-g sample of water at 89.0 oC.What will be the final temperature of the water?
Important information about Finding expressions for the partial molar volumes at T and P, The molar volume (cm^3 mol^-1) of a binary liquid mixture at T and P is given by: V = 120x1 + 70x2 + (15x1 + 8x2)x1x2 (a) Find expressions for the partial mo..
a gas company in massachusetts charges $2.80 for 15ft^3 of natural gas at 20 degrees C and 1 atm. Calculate the cost of heating 200mL of water from 20 degrees C to 100 degrees C.
A 26.0-g sample of ice at -10.0°C is mixed with 114.0 g of water at 72.0°C. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.
An odorous gas emitted by a hot spring was found to diffuse 2.92 times slower than helium. What is the molar mass of the emitted gas.
A 4.20 g nugget of pure gold absorbed 299 J of heat. The initial temperature was 22.0°C. What was the final temperature.
how many moles of oxygen gas will be produced by the decomposition of 111.5 g of lead(II)oxide.
Molarity of sodium carbonate, How many grams of primary standard grade sodium carbonate are necessary to prepare 2.00 L
Up to Iron "Fe", the number of proton and neutron are about equal, after Fe the number of neutron began to rapidly increase, with respect to the number of proton, why?
Consider the base monosodium phosphate and Write the structure of the conjugate acid of this base- ineffective for extracting C7H6O2 from a diethyl ether solution.
Determine the energy change associated with these changes in state: a. 138g of steam condenses,b. 261mg of solid mercury melts,c. 8.36g of rubbing alcohol freezes d. 52g of liquid methane boils
A sample of a dish from an archaeological dig gave 18 500 disintegrations per gram of carbon per day. A 1.00-g sample of carbon from a modern source gave 22 080 disintegrations per day.
Every measurement has a measurement uncertainty. Discuss how precise and accurate measurement can be achieved in spite of the inherent measurement uncertainty.
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