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Calculate the mass of each product formed when 175 g of silver sulfide reacts with excess hydrochloric acid.4 significant figures.Ag2S(s) + HCl(aq) AgCl(s) + H2S(g) [unbalanced]
(a)AgCl
(b)H2S
Calculate the pH for each of the following cases in the titration of 50.0 mL of 0.220 M HClO(aq) with 0.220 M KOH(aq). The ionization constant for HClO
A first-order reaction has a half-life of 55.0 min at 25 ºC and 6.8 min at 100 ºC. What is the activation energy for this reaction
The heat of reaction for the combustion of cyclobutane, C4H8, is 650.3 kcal/mol. What is the heat of combustion for cyclobutane in kcal/gram?
the initial dose of a drug ina animal was 25.0mg/kg doy weight. After 2.0 hours this concentration had dropped to 15.0mg/kg body weight. if the drug is eliminated metabolically by the first order process
Arrange the following gaseous substances in order of decreasing root mean square velocity at 25°C. argon, fluorine, carbon dioxide, oxygen, helium A.
Consider the combustion reaction: CH4 (g) + 2O2 (g) = CO2 (g) + 2H2O (l) Is this an exothermic reaction? If 100g of natural gas (CH4) is burned, calculate the heat exchange (balance the equation)
All the CO2 that enter waterbody is converted to CH2O. How much oxygen (moles/m^2) is required to oxidize it back to CO2?
If 20 moles G2 (random element) are reacted with 10 moles B2 (random element) , how many moles of G2B will be formed
Draw a mechanism to demonstrate how pyridine catalyzes the hydrolysis of acetic anhydride to two molecule of acetic acid. Is this reaction reversible?
Calculate the molar mass of the unknown gas. Remember that the faster the rate of effusion, the shorter the time required for effusion; that is, rate and time are inversely proportional.
when sodium reacts with chlorine 411 kjmol is released. calculate the amount of heat released if 1.37 mol of sodium
Determine the calorimeter constant of the calorimeter in which the combustion of 0.600 g of sucrose raises the temp by 1.96 C
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