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Three identical masses of 340 kg each are placed on the x axis. One mass is at X1 = -120 cm , one is at the origin, and one is at X2 = 440cm .
Part A- What is the magnitude of the net gravitational force on the mass at the origin due to the other two masses?Take the gravitational constant to be = 6.67×10?11.
Part B- What is the direction of the net gravitational force on the mass at the origin due to the other two masses?
The heat of vaporization of diethyl ether (CH3CH2OCH2CH3) is 26.0 kJ/mol and its vapor pressure at 18 Celcius is 401 torr. What is the normal boiling point of diethyl ether?
NaOH + CO2 - >Na2CO3 + H2O. If the average human body discharges 716 g of CO2 per day, how much NaOH is needed each day for each person in the spacecraft? Answer in units of mol.
When an acid or a base is added to a buffer, a double-displacement reaction will occur. The acid or base will be neutralized, forming a neutral salt or water plus the conjugate of the buffer.
NaOH (aq) are required to neutralize 25.0 mL of HCl (aq). Calculate the concentration of the hydrochloric acid solution.
Calculate the volume of 0.460 M radium hydroxide solution required to completely neutralize 10.00 mL of 1.17 M phosphoric acid
Show why the transfer of heat from an object with lower temperature to an object with higher temperature violates the second law of thermodynamics.
A natural food color ingredient company works in the extraction of an anthocyanin from purple cabbage. The solubility of this anthocyanin in methanol-water (85:15) and ethanol water (85:15) mixtures are same and the solubility is inversely proport..
The excess I3- was titrated with 50.00 mL of a 0.02000 M Na2S2O3 solution. What was the mass percent of arsenic trichloride in the original sample?
for a particular redox reaction MnO2 is oxidized to MnO4- and Ag+ is reduced to Ag write a balanced equation
dropped into flask containing dilute H2SO4 at a pressure P = 1.00bar, and temperature T= 325K. What is the reaction that occurs?
Octane has a density of 0.692g/mL at 20 ^ C. How many grams of O2 are required to burn 1.10gal of C8H18.
A 32.0 iron rod, initially at 22.0C, is submerged into an unknown mass of water at 63.7C, in an insulated container. The final temperature of the mixture upon reaching thermal equilibrium is 59.4C.
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