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Question- What is the power output for a subject cycling at a cadence of 70 rpm and a resistance setting of 3 kp?
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given the exothermic reaction n2g 3h2g ? 2nh3g ?h -92.1 kj. at 400 k the equilibrium constant kc is 0.53. at 800 k
Suppose you have been assigned to evaluate different ways of delivering milk to customers. The more energy you conserve, the cheaper your product can be. Remember that work is directly tied to free energy. Your goal is to minimize wasted free ener..
Assuming that a neutron star has the same density as a neutron, calculate the mass (in {\rm kg}) of a small piece of a neutron star the size of a spherical pebble with a radius of 0.16 mm
do only ionic compounds dissolve with an evolution or absorption of heat...what about molecular compounds like sucrose, glucose, aspartic acid
The ClO2 molecule was involved in a chemical reaction in which it underwent oxidation. Based on the change in oxidation numbers, which of the species listed below is a possible product of the reaction
Use the following information to find H °f of gaseous HCl: N2(g) + 3H2(g) ? 2NH3(g) ?H°rxn = - 91.8 kJ N2(g) + 4H2(g) + Cl2(g) ? 2NH4Cl(s) ?H°rxn = - 628.8 kJ NH3(g) + HCl(g) ? NH4Cl(s) ?H°rxn = - 176.2 kJ
Starting with solid sodium chloride, how would you make one liter of 2.000 ppm sodium chloride solution
At 25C, the vapor pressure of diethyl ether is higher than the vapor pressure of its isomer n-butanol. Why?
As you saw in Part B, the vapor above the cyclohexane-acetone solution is composed of both cyclohexane vapor and acetone vapor.
A sample contained a mixture of ZnS and HgS. The amount of ZnS was determined by reacting 11.06 g of the sample with an excess of HCl to release H2S from each compound; ZnS(s) + 2 HCl(aq) ® ZnCl2 + H2S(g) HgS(s) + 2 HCl(aq) ® HgCl2 + H2S(g) If the..
When 26.0 mL of 0.565 M H2SO4 is added to 26.0 mL of 1.13 M KOH in a coffee-cup calorimeter at 23.50°C, the temperature rises to 30.17°C. Calculate H of this reaction per mole of H2SO4 and KOH reacted.
If 120.9 mL of water is shaken with a gas at 0.860 atm, it will dissolve 0.00286 g of the gas. Estimate the Henry's law constant for the gas in water in units of g L-1 atm-1.
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