Measure how the temperature of a gas affects its volume
Keisha wants to measure how the temperature of a gas affects its volume. Explain which variable she should change, which variable she should measure, and which variable she should hold constant during her experiment.
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Water flows through a pipe at an average temperature of T=70°C. The inner and outer radii of the pipe are r1=6cm and r2=6.5cm, respectively.
Find the normal boiling point of a saturated solution of LiF at 100C, assuming it un- dergoes complete dissociation. The solubility of LiF is 230 mg/100 g of water at 100C, and the boiling point constant of water is 0.51 K · kg/mol.
A high pass filter is designed so that the input signal Vin(t)=20sin(250pit) losses 87.5% of its power as it goes through the filter.if the resistor value is 10k ohms determine the rms value of the voltage across the resistor?
When 76.0 grams of calcium and 36.9 grams of nitrogen gas undergo a reaction that has a 90.0% yield what mass of calcium nitride is formed?
Explain which variable she should change, which variable she should measure, and which variable she should hold constant during her experiment.
A house has a composite wall of plaster board (Lp = 10mm, k=0.72 W/m.K), fibre glass insulation (Lb=100mm, k=1.4 W/m.K), and plywood (Lp = 20mm, k=0.12 W/m.K), as indicated in the sketch.
A 0.50 sample of vegetable oil is placed in a calorimeter. When the sample is burned, 18.9 are given off. what is the caloric value of the oil
Consider a solution formed by mixing 51.0 mL of 0.100 M H2SO4, 27.0 mL of 0.100 M HOCl, 25.0 mL of 0.200 M NaOH, 25.0 mL of 0.100 M Ca(OH)2, and 10.0 mL of 0.150 M KOH. Calculate the pH of this solution.
An explosive shell, with total mass 80 kg is launched vertically into the air from a mortar. The shell explodes in flight and breaks into two parts with masses of 30 kg and 50 kg (assume the mass of the explosive is negligible). The portions
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