magdalenacastr6 magdalenacastr6

18-10-2022
Chemistry

Answered

Consider the thermochemical equation given
below:
CH4 (g) + 2 O2(g) → CO₂ (g) + 2 H₂O(g) ΔΗ = -802 kJ
What is the enthalpy change (AH) if 65.8 grams of O₂ is allowed to react with excess CH4 ?

Answer :

Other Questions

Given the following reaction: 2H₂S(g) + 3O₂(g) → 2SO₂(g) + 2H₂O(g) ∆H = -1036.8 kJ What is the energy change when 4.55 g of H₂S react with excess O₂?

● A 1.53L sample of gaseous CO₂ is at a pressure of 5.00atm If the pressure is changed to 1.00atm at constant temperature, what will be the new volume of this g

What quantity of heat (in kJ) is absorbed in the process of making 0.919 mol of CF4 from the following reaction? C (s) + 2 F₂ (g) → CF, (g) AH° = 141.3 kJ/mol

Nitromethane (CH3NO2) reacts with hydrogen cyanide to produce CNNO2 and CH4: HCN + CH3NO -> CNNO2 + CH4 Draw Lewis structures of CNNO2, showing all resonanc

A toy top has a mass of . How many are in this spinning top, given that the average atomic mass of copper is ?

3. Which sample has the highest average kinetic energy? a) 200 grams of water at 10 °C b) 50 grams of water at 100 °C c) 100 grams of water at -20 °C d) 25 gram

The electronic P P and Q react to form an ionic compound. What is the formula of this compound?

7a. What will the triangle H value be if 2 moles of solid carbon react with oxygen?

What is the name of the chemical formula Cl3N8?A. chlorine nonanitrogenB. trichlorine octanitrideC. chlorine nitrideD. tetrachlorine octanitride

What is the "percent abundance" of the black eyed peas in this sample? Sample Number Abundance Mass of Beans (%) (g) 187 [?] 1.3 Black Eyed Peas Cannellini Bean