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A 7.6730 kg ball of putty, specific heat 0.37690 J K-1 g-1, initially at 297.38 K is dropped from a height 226.46 m. What is the temperature of the putty (in K) just after hitting the ground? (assume no heat loss to the ground)
Answer the following questions: a) can Al3+(aq) oxidize tin (Sn) under standard-state conditions?; b) would it be OK to store an aqueous AlCl3 solution in a tin container?; c) can Sn2+(aq) oxidize aluminum (Al) under standard state conditions?; d)..
why is the internal-standard method often used in plasma emission
At 0.0 C, if the volume of air is 2 mL and the pressure of the atmosphere that day is 665 mmHg, what is the number of moles of air?
The enthalpy of combustion of methane, Ch4, is -890 KJ/mol. If the gas flow rate of the methane to the burner of a stove is 5 L/min at 25 degrees celsius and assuming complete heat transfer from combustion
When an ice cube is dropped into a Styrofoam cup containing 195 g of coffee at 97.0 oC, the thermal energy used to melt the ice is 2.1 kJ what is the final temperature of the coffee closest to ? (Assume a specific heat of 4.184 J/g oC for the coff..
a sample of ethanol c2h5oh has a mass of 43.8 g.a how many carbon atoms does the sample contain?b how many hydrogen
a tire has a pressure of 780 mmhg at 27degc. if the tire is heated to 47degc on hot pavement what the new pressure will
What mass of silver chloride will be recovered if excess sodium chloride is added to 500 mL of solution containing 10.79g of Ag+?
A company produces vinegar products and discharges between 50,000 and 200,000 gallons per day (131 to 525 L / min) of a liquid waste stream that contains only acetic acid at a concentration of 80 mg/L.
How mush heat energy is reuired to melt one ice cube in a soft drink to form liquid water at 0 degrees C, if the ice cube has a mass of 18.9 g?
What is the change is volume when 1.00 mol of CH4 reacts with 2.00 mol O2? What is the w for this chnage? Calculate the change in internal energy, U, for the change indicated by the chemical equation
What is the theoretical yield (in g of precipitate) when 15.5 mL of a 0.701 M solution of iron(III) chloride is combined with 16.7 mL of a 0.6 M solution of lead(II) nitrate
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