Chemistry, 24.04.2020 21:23 mykamorrow
A 3.40-g sample of aluminum pellets (specific heat capacity = 0.89 ) and a 14.40-g sample of iron pellets (specific heat capacity = 0.45 ) are heated to 104.0°C. The mixture of hot iron and aluminum is then dropped into 90.3 g of water at 15.0°C. Calculate the final temperature of the metal and water mixture, assuming no heat loss to the surroundings. The specific heat capacity of water is 4.18 .
Answers: 2
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What is the formula for the compound dinitrogen pentoxide? a. n4o5 b. n5o4 c. n4o6 d. n5o2 e. n2o5
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Mike and mitchell decide to have a foot race. they mark off a stretch of 100 yards, and recruit cindy to work the stopwatch. after running the race and looking at the results, cindy declared that mitchell was the fastest. so how did the boys times compare?
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Inside a flashbulb, oxygen surrounds a thin coil of magnesium. when the flashbulb is set off, a chemical reaction takes place in which magnesium combines with oxygen to form magnesium oxide. which of the chemical equations matches the reaction above? a. mg + o2 mgo2 + energy b. 2mg + o mg2o + energy c. 2mg + o2 2mgo + energy d. mg + o mgo + energy
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Chemistry, 22.06.2019 23:30
Rank the following four acids in order of increasing bronsted acidity : h2f+ , ch3oh, (ch3)2oh+ , ch3sh2+
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A 3.40-g sample of aluminum pellets (specific heat capacity = 0.89 ) and a 14.40-g sample of iron pe...
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