What was the final temperature of the gold
A 4.80 g nugget of pure gold absorbed 298 J of heat. What was the final temperature of the gold if the initial temperature was 24.0°C? The specific heat of gold is 0.129 J/(g·°C).
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If, in a certain experiment, over a specific time period, 0.0045 mol PH3 is consumed in a 1.9 L container each second of reaction, what are the rates of production of P4 and H2 in this experiment?
A gate (shaped like .25 of a cylinder with radius R=3m) is used to control the flow of water through a canal.The height of the water in the tank is 30m. How much force must be applied to keep the gate from opening?
A 2.40-g sample of a large biomolecule was dissolved in 12.0 g of carbon tetrachloride. The boiling point of this solution was determined to be 77.85°C. Calculate the molar mass of the biomolecule. For carbon tetrachloride, the boiling point c
An equal-tangent crest vertical curve has a 50 mi/h design speed. The initial grade is +3%. The high point is at station 33+37.43 and the PVT is at station 37+18.26. What is the elevation difference between the high point and the PVT?
How does [HCl] Affect the Change in Temperature at Constant Volume in NaOH Solution? What kind of relationship? Linear or power or exponential etc.
How many grams of ethylene glycol (automobile antifreeze, {rm C_2H_6O_2}) dissolved in 3.30 {rm kg} of water is needed to lower the freezing point of water in an automobile radiator to 24.5^circ {rm C}?
Consider a house into which radon is emitted through cracks in the basement. The total volume of the house is 650 m3 (assume that the volume is well mixed throughout).
If an iron scoopula, instead of a plastic one, is used to add unknown metal to HCl solution, will it affect the calculated molar mass of the unknown metal?
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