A 321 g iron rod initially at 230c is submerged into an
A 32.1 g iron rod, initially at 23.0^C, is submerged into an unknown mass of water at 63.4^C, in an insulated container. The final temperature of the mixture upon reaching thermal equilibrium is 59.4^C.What's the mass of water?
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for a car moving at speed v the force of air drag on the car is proportional to v2 suppose the power output of the car
in a broadway performance an 652-kg actor swings from a 450-m-long cable that is horizontal when he starts at the
if 500 g br2 and 300 g nh3 react according to the equation below what is the maximum mass of ammonium bromide produced3
a coil whose resistance is 60 ohms and one whose resistance is 40 ohms are connected in parallel to a 120-v linea what
a 321 g iron rod initially at 230c is submerged into an unknown mass of water at 634c in an insulated container the
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nitroglycerine decomposes violently according to the unbalanced chemical equation below what mass of nitrogen gas is
a 2500-kg car moving east at 100 ms collides with a 3000-kg car moving north the cars stick together and move as a unit
a 2007 g sample of a hydrocarbon is combusted to give 1389 g of h2o and 6785 g of co2 what is the empirical formula of
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