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If 40 pound bag of topsoil that will cover ten square feet of ground at a depth of one inch. Explain how many bags are needed to cover a plot which measures 15 meters x25 meters to at depth of 15 cm?
The amount of energy needed to heat 2.00 g of carbon from 50.0 C to 80.0 C is 42.6 J. what is the specific heat capacity of this sample of carbon.
A reaction vessel contains 13.9g of CO and 13.9g of O2. How many grams of CO2 could be produced according to the following reaction? 2CO + O2 ---> 2CO2
the decomposition of 2hi to h2 i2 at 508c has a half like of135 min when the initial pressure of hi is 0.10atm and
If 72.4 kJ of heat is supplied to a 862 g block of metal, the temperature of the metal increases by 9.3°C. Calculate the specific heat capacity of the metal in J/g·°C.
Consider the reaction of an aqueous solution of KOH with an aqueous solution of HC2H3O2. Which of the following should appear on the product side of this reaction
The hydrated radii of sodium, hydronium, acetate, and nitrate ions are 4.5, 9.0, 3.5, and 3.0 °A, respectively what is the strength of the solution? calculate the activity coeffiecents of each speicies.
write up the chemical reaction between resorcinol and phtalic anhydride.
Compute the molar mass that would be obtained from the actual experimental data under the subsequent conditions. The unknown is methyl propyl ether (CH3OC3H7) which has a vapor pressure of 375.2torr at room temperature, 20C.
Zinc metal can be getting from zinc oxide by reacting the oxide with the element carbon. The products of the reaction are Zn and CO2. Explain what mass of zinc oxide is needed to react completely with 5.31 mol of carbon
What was the pH at the end of the reaction? e) What would the final pH be in the absence of any buffer?
Assume that you started with only 1.80 g of sodium benzoate. Assuming that the reaction proceeds to form benzoic acid, what would your theoretical yield be? use two decimal places
In the synthesis of t-butyl chloride from t-butyl alcohol, what is the purpose of using concentrated HCl instead of dilute HCl
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