Find final temperature of the gold-initial temperature
A 4.80 g nugget of pure gold absorbed 288 J of heat. What was the final temperature of the gold if the initial temperature was 26.0°C? The specific heat of gold is 0.129 J/(g·°C).
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Which of the following aqueous solutions are good buffer systems ?
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exactly 50ml solution of Na2CO3 was titrated with 65.8ml of 3.00M HCl. if the specific gravity of the agnO3 solution is 1.25, what percent by weight of Na2Co3 does it contain?
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Large quantity of ammonia are burned in the presence of platinum catalyst to give nitric oxide as d first step in the preparation of nitric acid. Suppose a vessel contains 0.120 mol of ammonia and 0.140 mol of oxygen. Which is the limited reagent?
460 kg hot-air balloon takes off from rest at the surface of the earth. The nonconservative wind and lift forces take the balloon up, doing +9.70 104 J of work on the balloon in the process. At what height above the surface of the earth does the b
What conclusions can you draw about similarities and differences in circulation, tracking and security measures for records handling and storage within small, medium, and large facilities?
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