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A satellite is placed in orbit 100 km above the surface of the earth (radius = 6370 km, mass = 5.98 x 1024 kg).
A. What is the value of the acceleration of gravity at that altitude as a percentage of the acceleration at the surface of the earth?
B. If the satellite has a mass of 1500 kg, what is the force of gravity acting on it?
C. What is the orbital period of the satellite?
D. If NASA wanted to drop its orbital altitude to 60 km, would it have to speed up or slow down? Explain your response.
A saturated solution of Mg(OH)2 in contact with undissolved Mg(OH)2(s) is prepared at 25 degrees C. The pH of the solution is found to be 10.17.
What happens to these physical properties as the strength of intermolecular forces (London dispersion forces, Dipole-dipole forces, Ion-dipole forces, Hydrogen-bond forces) increases
The white solid that remains in the centrifuge tube after acetone extraction fizzes when hydrochloric acid is added, suggesting that sodium carbonate is present. How did this substance form? Give a balanced equation for its formation.
at 25 degrees of nh3 molar mass 17 grams effuses at the rate of .50 mole per minute. under the same conditions which of
Using the Solubility Product Constants for Compounds at 25°C from Appendix II of our book, Determine which of the following compounds would be the LEAST soluble. a) Aluminum phosphate b) Calcium hydroxide c) Copper (I) cyanide d) Lead (II) chlorid..
nutritional tables give the potassium content of a standard apple as 159 mg. there are about 3 appleslb. how many
Given the following data table, use the method of initial rates to determinet the rate law for the following reaction: A + B = C + D + E run: ro(M/s): [A]o: [B]o: [C]o: [D]o: [E]o:
What is the solubility in pure water of Ba(IO3)2 in moles per liter at 25 ?C? [Ksp (25 ?C) = 6.0 x 10-10]
A compound of forumula C14H12 gave a positive Baeyer test and burned with a yellow, sooty flame. Treatment with ozone followed by hydrolysis in the presence of zinc gave formaldehyde as one of the products.
Hydrogen atoms that are bonded to an sp3 hybridized carbon atom normally appear between 0.9 & 1.8 ppm and are said to be shielded
Limestone (CaCO3) is used to remove acidic pollutants from smokestack flue gases. It is heated to form lime (CaO), which reacts with sulfur dioxide to form calcium sulfite
This solution was back-titrated with a 0.0370 M Ga3 solution until all the EDTA reacted, requiring 11.0 mL of the Ga3 solution. What was the original concentration of the V3 solution?
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