Recent activity by ShannaScamme

1 answer 18 views

How does the depth and concentration of a catalyst affect the reaction rate and ultimately the profitability of a chemical reaction?

answered 3 days ago in Chemical kinetics

1 answer 47 views

Determine the standard enthalpy of formation of methane (CH4) given the following information: The standard enthalpy of formation of CO2 and H2O are -393.5 kJ/mol and -285.8 kJ/mol, respectively. The combustion of 0.50 g of methane in a bomb calorimeter resulted in a 1.20°C temperature increase of the surrounding water. The heat capacity of the bomb calorimeter is 5.85 kJ/°C.

answered Feb 4 in Chemical thermodynamics

1 answer 9 views

Considering the Coordination chemistry of transition metals, how would increasing the size of the ligands affect the stability of a coordination compound?

answered Feb 3 in Coordination Chemistry

1 answer 60 views

Calculate the corrosion current density of a metal M in a 0.5 M H2SO4 solution with a pH of 2.5, where the half-cell potential of the metal M is -0.8V and the standard hydrogen electrode potential is 0V. The temperature of the solution is 25°C and the density of the metal is 7.85 g/cm³.

answered Jan 23 in ElectroChemistry

1 answer 92 views

A student conducted an experiment to produce copper sulfate using a known amount of copper oxide and sulfuric acid. The expected yield was 30 grams of copper sulfate, but the student obtained only 25 grams. What is the percent yield of the reaction?

answered Jan 22 in Chemical reactions

1 answer 35 views

What is the definition of theory development?

answered Jan 15 in Psychology

1 answer 33 views

What planet in our solar system has a moon with volcanic activity?

asked Jan 7 in Science

1 answer 44 views

What is the name of the iron-containing oxygen-transport protein in the red blood cells of all vertebrates?

asked Jan 7 in Science

1 answer 57 views

What is the fan-like superior region that forms the largest part of the hip bone and is united to the sacrum at the largely immobile sacroiliac joint?

answered Jan 6 in Science

1 answer 49 views

What asymmetrical organ has four chambers and, in humans, is about the size of a clenched fist?

answered Jan 6 in Science

1 answer 40 views

How do oceans help control global warming?

answered Dec 30, 2024 in Science

1 answer 32 views

An infection of the brain is called?

asked Dec 30, 2024 in Science

1 answer 15 views

Terrestrial arthropods generally have internal surfaces specialized for what?

asked Dec 27, 2024 in Science

...