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1. What is the volume occupied by 0.223 mol of helium gas at a pressure of 1.00 atm and a temperature of 320 K ? V =
2. A cylinder contains 12.8 L of air at a total pressure of 45.2 psi and a temperature of 30 °C. How many moles of gas does the cylinder contain? n =
3. Use the ideal gas law to complete the following table:
P
V
n
T
1.02 atm
1.12 L
0.121 mol
--
104 torr
0.243 mol
300 K
In a specific heat experiment 212.0 grams of aluminum (C=913.0 J/kg.K) at 100.0°C) is mixed with 64.0 g water at 20.0°C. Find the entropy change of the aluminum
Consider a circuit with two resistors in parallel; R1=10 Ohm and R2=5 Ohm, Calculate the total current flowing through the battery
An object 4.0 cm high is placed 12 cm in front of a diverginglens that has a focal length of – 8.0 cm. Describe by calculation the location, nature (real or virtual andupright or inverted), and size of the image for this location.
Two point charges are on the y-axis. A 2.0 µC charge is placed at y =1.35 centimeter, Determine the total electric potential at the point having coordinates (1.50 cm, 0)
A champion archer hits a bullseye in a target mounted on a wall a distance L away and situated at a height h above his bow. Deduce the equation between the speed (at which the arrow left his bow), the arrow's initial angle θ with the horizontal, the..
Negative charge -Q is distributed uniformly around a quarter-circle of radius a lies in the first quadrant with a center of curvature at the origin. Discover the x- and y- components of the net electric field at the origin.
A(n) 51.1 kg astronaut becomes separated from the shuttle, while on a space walk. She finds herself 72.4 m away from the shuttle and moving with zero speed relative to the shuttle.
In one hand you hold a 0.11 kilogram apple, in the other hand a 0.24 kilogram orange. Find the magnitude of the force of gravity that the orange exerts on the apple
A dockworker loading crates on a ship finds that a 21-kg crate, initially at rest on a horizontal surface, Find the coefficients of static and kinetic friction between crate and floor
What is the probability of a single bullet hitting the guy - What is the probability of one bullet missing the guys head?
a firefighter with a weight of 715 n slides down a vertical pole with an acceleration of 3.10 ms2 directed downward.a
A new absolute temperature scale is proposed that has exactly 150 degrees between the freezing point and normal boiling point of water. What is the temperature on the new scale at the freezing point of water
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