Calculate the amount of heat absorbed by the water
A 249-gram sample of water is heated from 2 degrees C to 85degrees C. Calculate the amount of heat absorbed (in kJ) by the water.
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Suppose that due to the cost of a survey, you must reduce your random sample from 100 to 64. Which of the following statements is true? The margin of error for our 99% confidence interval would increase.
Consider a roulette wheel with 18 red, 18 black, and 2 green spaces. If we only consider 1 spin, the conditional probability that it lands on red - given that it does not land on black is?
Oakdale is 21 km from the end of the line, and metro station is 96 km from the end of the line. A. What was the commuter's average speed getting to work?
What are the null and alternative hypotheses? What is the value of the test statistic? What is the P-value of the test statistic? Is their experience evidence that the tutoring program has been effective?
A laboratory test shows that the saturation pressure at -31 deg C is 0.9 bar and the saturation pressure at -29 deg C is 1.1 bar. If the mass flow rate of refrigerant is 0.01 m^3/s, find the refrigeration capacity in kW.
A 1.8 kg ball is dropped from the roof of a building 100 m high. While the ball is falling to Earth, a horizontal wind exerts a constant force of 12.0 N on it. (a) How far from the building does the ball hit the ground?
A certain gas expands in volume from 1.75 to 8.32L ataconstant temperature. Calculate the work dine in Joules by the gas if it expands against a constant pressureof 3.8 atm.
Sample B is dry, but the density is the same as that of sample A. Assuming air to be an ideal gas, determine the temperature of sample B.
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