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Question- A researcher studying the nutritional value of a new candy places a 3.30-gram sample of the candy inside a bomb calorimeter and combusts it in excess oxygen. The observed temperature increase is 2.89 °C. If the heat capacity of the calorimeter is 43.20 kJ•Kâ€"1, how many nutritional Calories are there per gram of the candy?
Solve the above the problem in detail no word count
3- A 498mL sample of laughing gas, N2O, is at 30 *C and 414 torr pressure (a) How many gas molecules are present. (b) How many atoms are there
A voltaic cell is built, using the anode reaction Cu (s)=Cu^+2(aq)+2e^- and the cathode reaction Fe^+3(aq)+1e^-=Fe^+2(aq). If [Cu+2]=.50M [Fe^+2]=.10 M and [Fe^+3]=.20 M, what will the Ecell be
Aluminum foil used for storing food weighs about 0.3g/in2. How many atoms are contained in one square inch of aluminum foil
The standard (1 bar) boiling point of acetone is 56.1 C, and its enthalpy of vaporization is 29.1 kJ/mol. Calculate the vapor pressure of acetone at 55.1 C.
HCL is a significant component of gastric juice. what is the concentration of chloride ion in gastric juice at pH=1.27?
The 20 mL of water added to the Erlenmeyer flask is to be previously boiled, deionized water. Since water does absorb CO2 from the atmosphere and since CO2 dissolved in water causes it to be slightly acidic,
what is the maximum amount of P4S10(444.545 g/mol) which could be formed from 17.12 g of P4 (123.895 g/mol) and 0.137 mol of S8 (256.52 g/mol).
Supplementary, the molecular weight of the compound was found by the Dumas Method to be 118.6 g/mol. Determine the empirical formula as well as the molecular formula of the compound.
if electricity of sufficient voltage is passed into a solution of potassium iodide in water a reaction takes place in
A 24mL solution containing 8mM thiocyanate (SCN-) is titrated with a 6mM solution of silver (Ag+). Determine the concentrations of thiocyanate and silver free in solution at each of the titration volumes listed below
what is the coefficient for carbon dioxide when the following equation showing the combustion of isopropyl alcohol
How do you calculate the effective nuclear charge of an electron using slater's rules for Krypton
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