Physics, 13.06.2020 21:57 lillianradecki
1. Measure out 100 ml of water into three beakers and label them A, B, and C. Beaker C will be the control. 2. Then measure 50 grams of unknown compound A into beaker A and stir for one minute. Measure the amount of undissolved solute and record this in Table 1 3 Then measure 50 grams of unknown compound B into beaker B and str for onc minute. Measure the amount of undıssolved solute and record this in Table 1, 4. Next, we will test the boiling point of each solution. Place cach beaker onto a hot plate. 5. When the solution boils, use a thermometer to record the tetmperature. Record the boling point for cach solution in Table 2
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Which pair of quantities includes one quantity that increases as the other decreases during simple harmonic motion?
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State the below theories and give the name of the writer of the theory 1. wave theory 2. quantum theory 3. corpuscular theory 4. electromagnetic theory
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Physics, 22.06.2019 21:40
Ahair dryer is basically a duct in which a few layers of electric resistors are placed. a small fan pulls the air in and forces it through the resistors where it is heated. air enters a 1200 w hair dryer at 100 kpa and 22°c and leaves at 47°c. the cross-sectional area of the hair dryer at the exit is 60 cm2. neglecting the power consumed by the fan and the heat losses through the walls of the hair dryer, determine (a) the volume flow rate of air at the inlet and (b) the velocity of the air at the exit.
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1. Measure out 100 ml of water into three beakers and label them A, B, and C. Beaker C will be the c...
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