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If 27 mL of 6.8 M H2SO4 was spilled, what is the minimum mass of NaHCO3 that must be added to the spill to neutralize the acid?
A standard baseball has a circumference of approximately 23 cm. If a baseball had the same mass per unit volume as a neutron or a proton, about what would its mass be?
The blood from the aorta passes approximately to 32 arteries with 4mm inner diameter, calculate the speed of the blood in the arteries
A bat and ball approach one another each with the same speed of 1.50 m/s, collide. Determine the speed of the ball after the collision
A point charge q_1 = 4.15 nC is located on the x-axis at x = 2.10 m , and a second point charge q_2 = -6.25 nC is on the y-axis at y = 1.00 m. What is the total electric flux due to these two point charges
A certain substance has a mass per mole of 48.0 g/mol. When 341 J is added as heat to a 30.0 g sample, the sample's temperature rises from 23.0°C to 48.0°C.
3.0 moles of an ideal gas expands isothermally from a volume of 20 L to 50 L while its temperature is 300 K. What is the magnitude of the work
A vertical containery with base area measuring 14.0 cm by 17.0 cm is being filled with identical pieces of candy, each witha volume of 46.0 mm3 and a mass of 0.0208 g.
A sample contains 8.30×104 radioactive nuclei. In a time of 5 minutes, Evaluate the half life of the sample
A T-bar tow is used to pull 80 skiers up a 600-m long slope inclined at 15.0 degrees to the horizontal at a speed of 2.5m/s. Find the motor power required to run the T-bar
Suppose that you want a totally internal reflected ray, should the ray go from the air to the liquid or vice versa? Determine the maximum angle for total internal reflection in this medium?
sound is detected when a sound wave causes the eardrum to vibrate. typically the diameter of the eardrum is about 8.4
The electron of a hydrogen atom makes a transition from the n= 5 state to the n = 2 state. What is the wavelength of the emitted photon?
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