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Experiments have shown that the average frequency of chirping by a snowy tree cricket depends on temperature as shown below.Chirping Rate Temperature
178 25.0
126 20.3
100 17.3
Calculate the rate of chirping expected at temperature of 3.0 C
Al(OH)4-(aq) → AlO2-(aq) + 2 H2O(l) What is the oxidizing agent? What is the reducing agent? What is the substance being oxidized?
Calculate the molar mass of the unknown gas. (Remember that the faster the rate of effusion, the shorter the time required for effusion of 1.0 L; that is, rate and time are inversely proportional.)
A 1.00 L sample of chlorine gas at 1.00 atm and 298 K reacts completely with 1.00 L of nitrogen gas and 2.00 L of oxygen gas at the same temperature and pressure.
Chlorine was passed over 1.30 g of heated titanium, and 4.20 g of a chloride-containing compound of Ti was obtained. What is the empirical formula of the chloride-containing compound
The vapor pressure of a mixture of 400 g of carbon tetrachloride and 43.3 g of an unknown compound is 137 torr at 30 °C. The vapor pressure of pure carbon tetrachloride at 30 ºC is 143 torr
The observed rate constant(k-observed) for one of the trials was measured to be 0.00400 s^-1. If the concentration of hypochlorite was fixed at 0.134 M, calculate the specific rate constant (k) for the trail.
A 100g sample of water at 27oC is poured into a 76.2g sample of water at 89oC. What will be the final temperature.
A mixture of nitrogen and hydrogen was allowed to come to equilibrium at a given temperature according to 3H2+N2 2NH3. At equilibrium, the mixture contained
a mixture of gases containing .20 mol of SO2 and .2 mol of O2 in a 4.0L flask reacts to form SO3. If the temperature is 25C, what is the pressure in the flask after reaction is complete?
Determine the chemical formulas for a covalent compound whose molecules contain 2 carbon atoms, 6 hydrogen atoms and an oxygen atom
A sample consisting of 3.0 mol of ideal gas molecules at 200K at 2.00 atm is compressed reversibly and adiabatically until the temperature reaches 250K.
Predict the type of substitution mechanism, predict which reaction of the pair will occur at the faster rate, and draw the correct organic product.
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