You have a 2.00 kg block of lead. lead melts at 327.5°c. cpb = 130.0 j/kg*c and △hj for lead is 2.04x10^4 j/kg . say you start at room temperature (25.0°c). how much heat must you transfer to melt all the lead?

If a substance is in the gas phase, which of qualities of the gas will stay constant? a: volume b: mass c: shape d: position of particles

70 give a real life example showing how sensory neurons work with the motor neurons

When conducting an investigation to determine which type of fertilizer produces the most flowers on a plant, which variable would be graphed on the x-axis once you collected the data? a. type of fertilizer b. amount of flowers c. amount of water d. number of days that the plants grew