Recent activity by Gudrun21E556

1 answer 52 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

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

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

1 answer 75 views

What is authoritative parenting?

answered Jan 17 in Psychology

1 answer 37 views

When evaluating the theories of conflict resolution, what is the competition strategy?

answered Jan 16 in Psychology

1 answer 70 views

According to the demand characteristics, what does it refer to?

answered Jan 15 in Psychology

1 answer 58 views

What are some of the psychological mechanisms that contribute to placebo analgesia?

answered Jan 14 in Psychology

1 answer 29 views

What is the shape of the thyroid gland?

answered Jan 7 in Science

1 answer 46 views

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

asked Jan 2 in Science

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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