Questions by Gudrun21E556

0 votes

1 answer 53 views

What is the effect of changing the concentration of reactants on the reaction rate for a first-order reaction?

asked Feb 13 in Chemical kinetics

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1 answer 39 views

How can the industrial wastewater treatment system be designed using chemical engineering principles such as coagulation, flocculation, sedimentation, and disinfection to effectively remove contaminants such as heavy metals, organic compounds, and toxicity from the wastewater before discharge into the environment?

asked Feb 7 in Chemical engineering

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1 answer 40 views

Calculate the standard enthalpy change for the combustion of 1 mole of propane gas (C3H8) at standard conditions using the following balanced chemical equation: C3H8(g) + 5O2(g) -> 3CO2(g) + 4H2O(l)Given the standard enthalpy of formation values at 298K for C3H8(g), CO2(g), and H2O(l) as -103.8, -393.5, and -285.8 kJ/mol respectively, calculate the standard enthalpy change for the combustion reaction.

asked Feb 3 in Chemical thermodynamics

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1 answer 46 views

What are algae that live in colonies of hundreds of cells called?

asked Jan 2 in Science

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1 answer 10 views

The volume of a gas is comprised of about 10% matter. what is the rest?

asked Jan 2 in Science

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