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
two objects with masses of 370kg and 780kg are connected by a light string that passes over a frictionless
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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