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A team of astronauts is on a mission to land on and explore a large asteroid. In addition to collecting samples and performing experiments, one of their tasks is to demonstrate the concept of the escape speed by throwing rocks straight up at various initial speeds. With what minimum initial speed vesc will the rocks need to be thrown in order for them never to "fall" back to the asteroid? Assume that the asteroid is approximately spherical, with an average density ρ = 3.19 × 106 g/m3 and volume V = 1.02 × 1012 m3. Recall that the universal gravitational constant is G = 6.67 × 10-11 N·m2/kg2.
If a solution is made by mixing 20.0 mL 0.3 M NaCH3COO with 30 mL 0.4 M CH3COOH, calculate the pH of the solution? For acetic acid, K = 1.76 x 10-5.
a hydrate of calcuim chloride contains 49.3% water and has a formula weight of 219g/mol calculate the molecular formula of the hydrate
What is the rate law for the reaction: NO(g) + O3(g) = NO2(g)+O2(g)
Specifically, what does an uncoupler do and what are its effects on both oxidation and phosphorylation
gaseous hydrocarbon required 50 mL of oxygen for complete combustion. If 30 mL of CO2 gas were evolved, what is the molecular formula of the hydrocarbon?
A) How many O2 molecules are needed to react with 6.09 of S? B) What is the theoretical yield of SO3 produced by the quantities described in Part A?
Citric acid, represented by H3Cit, is a triprotic acid. A student mixes together the following solutions in a styrofoam coffee cup: • 5.00 mL of 0.64 M citric acid
What is the value of the equilibrium constant for the neutralization of acetic acid with sodium hydroxide? The Ka for acetic acid is 1.8 ? 10-5 and the neutralization reaction of interest is CH3CO2H(aq) + NaOH(aq) -> H2O(l) + NaCH3CO2(aq).
Need a 2-3 page paper using APA format discussing how the Coase Theorem provides an alternative to government regulation and provision of services. How is the definition of private property a critical part of this analysis?
Problem- If the calibration curve is y=41950x + 0.0212, r^2 = 0.9992 and you measure the absorbance of FeSCN^2+ to be 1.00, 1) What is the equilibrium constant for Fe3+, using an I.C.E table if the initial [Fe3+] = 5*10^-4 M
Calculate the biological standard Gibbs energies of reactions of the following reactions and half-reactions
A hypothetical atom has four allowed energy levels. As shown in the accompanying diagram, the emission spectrum of this atom will contain six transitions, labelled A - F.
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