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A 1020kg artillery shell is fired from a battleship. While it is in the barrel of the gun, it experiences an acceleration of 2.1x10^4m/s^2. what net force is exterted on the artillery shell before it
A .18 F capacitor is fully charged and has a potential difference( ?V), across its terminals of 9.0 volts. It is connected in series to a 200? resistor, find the energy stored in the capacitor when
Silver metal crystallizes in a cubic closest packed structure. The face centered cubic unit cell edge is 409 pm. Calculate the density of the silver metal.
A ship sets sail from Rotterdam, The Netherlands, What is the angle of the velocity of the ship relative to the earth in degrees north of east
A satellite moves around the earth in a circular orbit at a constant speed of 5000m/s. find the radius of the orbit
Estimate the density of Rb if it crystallizes in a body-centered cubic unit cell and has an atomic radius of 247.5 pm.
A rocket is fired at 48m/s, in a direction 400 to the horizontal. It explodes in mid air, Find the speed of the rocket just before the explosion
Use the rydberg equation to calculate the wavelength in nm of the photon when an electron in a hydrogen atom undergoes a transition from n=6 to n=2
The molecular formula of glycine (an amino acid) is NH2CH2COOH, the molecular mass is 75.07grams/mole. If 10 glycines are joined together by a dehydration reaction to make a polypeptide, what would
How many total moles of ions are released when the following sample dissolves completely in water. 8.47x10^-2g of Ca(NO3)2
Suppose a soccer player kicks the ball from a distance 21.5 m toward the goal. Find the initial speed of the ball
A 28-m3 tank is filled with 2910 moles of an ideal gas. The temperature of the gas is initially 302 K, but it is raised to 740 K. find the change in the pressure of the gas inside the tank
Use electronegativity values to arrange the following bonds in order of decreasing polarity: N-O, N-N, N-P, and C-N
A particle having charge q = +2.30 µC and mass m = 0.0100 kg is connected to a string that is L = 1.80 m long, Determine the speed of the particle when the string is parallel to the elect
A proton and an alpha particle are released from rest when they are 0.225nm {\rm nm} apart. Find the maximum speed of proton
What is the maximum possible number of electrons in a ground-state carbon atom that have ml = 0
A creamy salad dressing is made up of heavy cream, corn oil, If the cream layer is 2.20×10?2 m tall, the oil layer 2.80×10?2 m tall, and the vinegar layer 8.000e-3 m tall, what is the gau
Calculate the volume of a 2.00 M KOH solution needed to neutralize 40.0 mL of a 0.600 M H2SO4 solution.
Given the standard molar volume of gas is 22.71 L/mol at a temp of 273.15K and a pressure of 1 bar, what is the value of the ideal gas constant
Describe how a phospholipid differs from other fatty acids. How does this difference allow the formation of a bilayer in an aqueous medium
What is the average speed in m/s of nitrous oxide molecule when the temp is 300K? The molar mass of oxygen is 0.032 kg/mol
A sample of air at a temp of 298K has a relative humidity of 10%. If the temp of 1.00L of this air is decreased to 273K, what will the relative humiduty be at the lower temp
Calculate the volume of a 0.200 M NaOH solution needed to neutralize 40.0 mL of 0.600 M HNO3 solution.