A fixed chamber is shown above. If the temperature of the chamber without the flame is 25.2 °C and the pressure of it is 0.600 atm, what is the pressure of the chamber with the flame (at a temperature of 72.4 °C)?

In france, grapes are 1.95 euros per kilogram. what is the cost of grapes, in dollars per pound, if the exchange rate is 1.14 dollars/euro? (2.6)

Read the chemical equation. 2c2h2 + 5o2 → 4co2 + 2h2o which of the following statements would be correct if one mole of c2h2 was used in this reaction? one mole of oxygen was used in this reaction. five moles of oxygen were used in this reaction. four moles of carbon dioxide were produced from this reaction. two moles of carbon dioxide were produced from this reaction.

Heat is the total potential energy of a substance that can be transferred. true false