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A spacecraft is launched from the surface of Mars, with a velocity of 0.5c along the positive xaxis. Another spacecraft is moving past with velocity 0.8c, heading at an angle of 30? below the negative x-axis, in the x-y plane, as seen by observers on Mars. Find the magnitude and direction of the velocity of the second spacecraft as measured by the pilot of the first spacecraft
If the liquid effluent from the press could be fed to the spray dryer without afffecting the tasteof the product, by what percentage would the production rate of instant coffee be increased
Which sample contains more molecules, 3.14 L of Ar at 85.00C and 1111 mm Hg pressure or 11.07g of Cl2?
Print the chemical equation for the activity of aluminum metal and silver(I) ion from the amalgam. Which reactant is the reducing agent
calculate the specific heat of molybdenum metal in rm jg cdot circ c. the specific heat of water is 4.184rm jg cdot
Nitrogen trichloride, an unstable liquid, is placed in a 3.00 L container at 29ºC. The initial pressure in the flask is 1.00 atm due to the presence of air.
potassium nitrate has a lattice energy of -163.8 kcalmol and a heat of hydration of -155.5 kcalmol. how much potassium
Draw a mechanism to demonstrate how pyridine catalyzes the hydrolysis of acetic anhydride to two molecule of acetic acid. Is this reaction reversible? why or why not?
The normal melting and boiling points of O2 are -218C and -183C respectively. Its triple point is at -219C and 1.14 torr, and its critical point is at -119C and 49.8 atm.
How much heat would be given off per mole of NaOH if 4.6g of NaOH dissolves to give off 755J of heat? b)How many grams of NaOH are needed to produce 88 kJ of heat? Please explain the steps to get the answer
If you have 340.0 mL of water at 25.00 °C and add 120.0 mL of water at 95.00 °C, what is the final temperature of the mixture. Use 1.00 g/mL as the density of water.
A tank of hydrogen has a volume of 22.9 L and holds 14.0 mol at 12.0 C, what is the pressure of the gas in atm
Calculate the rotational partition function of H2O at 298K fromits rotational constants27.878 cm-1, 14.509 cm-1 and 9.287 cm-1
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