How many lead atoms are in a cube of lead
How many lead atoms are in a cube of lead that has a volume of 1.82cm3 if the density of lead is 11.3 g/cm3?
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A 2200-kg pile driver is used to drive a steel beam into the ground. The pile driver falls 7.00 m before coming into contact with the top of the beam, and it drives the beam 14.0 cm farther into the ground as it comes to rest. Using energy conside
A volume of 50.0 of aqueous potassium hydroxide (KOH) was titrated against a standard solution of sulfuric acid (H2SO4). What was the molarity of the solution if 13.2 of 1.50 M H2SO4 was needed.
How public and regular does the trade in indentured servants appear to be from Gottlieb Mittelberger's account?
A 140g air-track glider is attached to a spring. The glider is pushed in 12.0cm and released. A student with a stopwatch finds that 9.00 oscillations take 10.0s. What is the spring constant?
What is the apparent weight of a 75 kg astronaut 4200km from the center of the earths moon in a space vehicle (a) moving at constant velocity and (b) accelerating toward the moon at 2.9m/ssw
A 79 kg pole-vaulter falls from rest from a height of 7.2 m onto a foam-rubber pad. The pole-vaulter comes to rest 0.48 s after landing on the pad. Calculate the athlete's velocity just before reaching the pad.
The person and canoe have a combined mass of 100 kg. Ignore air resistance and effects of the water and find the horizontal recoil velocity (magnitude and direction) of the person and canoe.
13.0 moles of gas are in a 4.00L tank at 20.1°C . Calculate the difference in pressure between methane and an ideal gas under these conditions.
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