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A polar bear may burn as much as 1.5 kg of fat resources a day. A polar bear must consume enough seals to compensate for this huge energy expenditure. If you needed to survive on seal blubber as your diet, how many grams would you need to consume per day? State any assumptions you make to do your calculation. (carbohydrates provide approximately 17 kJ/g, triglycerides provide approximately 38 kJ/g)
calorimetry can be used to find heats of combustion. suppose a calorimeter helps someone to determine that 4032 kj of heat is released during the combustion of 88.0 grams of propane, C3H8 (44.0 g/mol).
A 890 mL sample of NO2 gas is at STP. If the volume changes to 644 mL and the temperature changes to 20ºC, what will be the new pressure in atmospheres?
Calculate the attractive force (in Newtons) between a cation with a valence of +3 and an anion with a valence of -2, the centers
A gas is initially at 1.2 atm, 15.0 L, and O°C. What is the final pressure when the same amount of gas is heated to 10°C and the volume changed to 24.0 L
A 20.0-L nickel container was charged with 0.835 atm of xenon gas and 1.44 atm of fluorine gas at a 400 degrees C. the xenon and fluorine reacts to form tetrafluoride. what mass (G) of xenon tetrafluoride can be produced assuming 100 percent yield..
Rank from longest to shortest distance. To rank the items as equivalent, overlap them.
If a wheelchair-marathon racer moving at 13.3 miles per hour expends energy at a rate of 635 Calories per hour, how much energy in Calories would be required to complete a marathon race (26.2 miles) at this pace
What is the DO concentration at saturation in water if the temperature is 10 degrees celcius and pressure is 1 atm/express your answer in mg/l of O2.(oxygen)
the mass of water is 92.6 grams, the initial temperature of the water is 58.9 degrees celsius, the mass of teh liquid nitrogen added to the water is 57.1 grams, and the final temperature after the liquid nitrogen has vaporized is 29.6 degrees cels..
A 4.80 g nugget of pure gold absorbed 276 J of heat. What was the final temperature of the gold if the initial temperature was 26.0°C?
The temperature inside my refrigerator is about 40 Celsius. If I place a balloon in my fridge that initially has a temperature of 220 C and a volume of 0.5 liters
Al(OH)3 + 3HCl ---> AlCl3 + 3H2O Determine the moles of acid neutralized if a tablet contains 0.200 mol Al(OH)3
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