What is the diameter of the piston
Exerting a force of 84 N on the circular piston of a syringe causes a pressure increase in the barrel of 1.3 atm. What is the diameter of the piston?
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When a 6.00-g sample of KCl is dissolved in water in a calorimeter that has a total heat capacity of 6.019 kJ·K-1, the temperature decreases by 0.230 K. Calculate the molar heat of solution of KCl.
In a diesel engine, the piston compresses air at 306 K to a volume that is 0.0622 of the original volume and a pressure that is 48.2 times the original pressure. What is the temperature of the air after the compression?
The position of a particle moving along the x axis is given in centimeters by x = 5.50 + 2.50t^3, where t is in seconds. Consider the time interval t = 2.00 s to t = 3.00 s.
Explain and talk about the global warming thats taking place, including talks about the current climate change and what is the increase in rate of change and how does it affect the population?
The standard heat of formation for H2O(g) is -241.8 kJ/mol, and for NaOH(s) it is -425.6 kJ/mol. What is the enthalpy change for the reaction between Na(s) and H2O(g) to produce NaOH(s) and H2(g) per mole of H2(g) produced?
Sam, whose mass is 79.0 , takes off down a 52.0 high, 8.00 slope on his jet-powered skis. The skis have a thrust of 220 . Sam's speed at the bottom is 45.0 . What is the coefficient of kinetic friction of his skis on snow?
Explain whether this process violates the second law of thermodynamics or not. Make a quantitative argument to support your answer.
A superball with mass equal to 50 grams is dropped from a height of . It collides with a table, then bounces up to a height of. The duration of the collision (the time during which the superball is in contact with the table) is . In this problem,
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