10. How many grams of H2O(g) are produced at the same time that 45 kJ of...
10. How many grams of H2O(8) are produc S of H2O(g) are produced at the same time that 45 kJ of energy are produced? Is this an endothermic or an exothermic reaction? Explain. equation is: mie reaction? Explain. The thermochemical 2C4H10(g) + 1302(g) + SCO(g) + TOHO(g) +5.77 x 103 kJ 11. In the following reaction, which species are reduced and what is the reducing agent? 2C4H10(g) + 1302(g) - 8C02(g) + 10H2O(g) +5.77 x 103 kJ 12. In the...
Butane, C4H10, is used for heating homes not served by natural gas. 2C4H10(l) + 13O2(g) → 8CO2(g) + 10H2O(l) H= − 2511.18kJ If 2003 kJ of heat is evolved, how many grams of water were produced?
3How much heat is required to raise the temperature of 1.5x 103 g of water from 45°F to 130.°F? The specific heat of water is 4.184 J/g °C. 3.0x101 kJ 5.3x102 kJ 3.0x102 kJ 3.4x102 kJ 8.2x102 kJ6When 0.7521 g of benzoic acid was burned in a calorimeter containing 1,000. g of water, a temperature rise of 3.60°C was observed. What is the heat capacity of the bomb calorimeter, excluding the water? The heat of combustion of benzoic acid is -26.42 kJ/g. 15.87 kJ/℃ 752.1 kJ/C 1.34 kJ/°C 5.52...
Consider the following chemical reaction. 2H2O(l)→2H2(g)+O2(g) What mass of H2O is required to form 1.3 L of O2 at a temperature of 310 K and a pressure of 0.948 atm ? Butane, C4H10, is a component of natural gas that is used as fuel for cigarette lighters. The balanced equation of the complete combustion of butane is 2C4H10(g)+13O2(g)→8CO2(g)+10H2O(l) At 1.00 atm and 23 ∘C, how many liters of carbon dioxide are formed by the combustion of 4.00 g of butane?
The following thermochemical equation is for the reaction of hydrogen(g) with oxygen(g) to form H2O(g). 2H2(g) + O2(g) 2H2O(g) AH=-484 kJ How many grams of H2(g) would have to react to produce 61.5 kJ of energy? grams
If 3.50 kJ was required for the following reaction, how many grams of KClO3 was produced? 2 KCl (s) + 3 O2 (g) → 2 KClO3 (s) ΔH = 84.9 kJ If there are 5.96 g of NO present, how much energy (kJ) will be produced? 2 NO (g) → 2 N2 (g) + O2 (g) ΔH = -180.0 kJ
Homework Thermochemistry Name: 1. Calculate the mass of O2 that is produced by photosynthesis when 2.49 x 10° kJ of solar energy is consumed by the following reaction: 6 H20 (1) + 6 CO2 (g) C6H12O6 (s) + 6 O2 (g) ; AH = 2803 kJ 2. Given the following thermochemical equation, what amount of energy is absorbed/given off when 255 g of Cu20 is reacted. 2 Cu20 (s) 4 Cu (s) + O2(g) ; AH = 333.8 kJ 3....
1) The combustion of a sample of butane, C.H(lighter fluid), produced 2.46 grams of water. 2 C4H10 + 1302 -------> 8CO2 + 10H20 (a) How many moles of water formed? (b) How many moles of butane burned? (c) How many grams of butane burned? (d) How much oxygen was used up in moles? (e) How much oxygen was used up in grams? 2) Using the following equation: 2 NaOH + H2SO4 → 2 H2O + Na2SO4 How many grams of...
3. For the chemical reaction CH(9) + 4C12(g) → CCIC) + 4HC(9) a. how many grams of Cl2 are needed to produce 4.75 g of CCL? b. how many grams of HCI will be produced from 0.083 g of CH4? c. how many grams of CH4 are needed to react with 2.30 g of Cl2? d. how many grams of CCl4 are produced at the same time that 1.23 g of HCI are produced? 4. Tungsten (W) metal, used to...
calculate how many grams of O2 (g) can be produced from 67.5 g H2O (g)